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ATSAME70Q19B-ANT - 300MHz Cortex-M7 MCU 512KB Flash | Microchip
ATSAME70Q19B-ANT

ATSAME70Q19B-ANT - 300MHz Cortex-M7 MCU 512KB Flash | Microchip

The Microchip Technology ATSAME70Q19B-ANT is a 32-bit ARM Cortex-M7 microcontroller with Floating Point Unit (FPU), running up to 300 MHz, integrating 512 KB of Flash and 256 KB of SRAM in a 144-pin LQFP (20x20 mm) package. It is part of the SAM E70 family of high-performance flash microcontrollers designed for embedded connectivity, motor control, and industrial applications. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory (Flash and SRAM), and programmable peripherals into one package. The Cortex-M7 is the highest-performance core in the ARM Cortex-M family, featuring a 6-stage superscalar pipeline, dual-issue instruction execution, and an optional FPU for single- and double-precision IEEE 754 floating-point math. Microcontrollers sit at the top of the embedded hierarchy along with microprocessors (MPU) and SoCs, but unlike MPUs they typically include on-chip memory and rich peripheral sets such as CAN, Ethernet, USB, and analog converters. Key features of the ATSAME70Q19B-ANT include 512 KB Flash, 256 KB SRAM, a 12-bit ADC (AFE) and 12-bit DAC, dual CAN-FD interfaces, Ethernet MAC, USB 2.0 Full-Speed and High-Speed, and a 144-pin LQFP package providing 114 GPIO. The device operates from 1.62 V to 3.6 V supply and supports -40C to +105C industrial temperature range, making it suitable for harsh industrial environments. Integrated Single/Dual I2S, HSMCI (SD card), and image sensor interface support multimedia and vision applications without external controllers. The ATSAME70Q19B-ANT uses a Harvard architecture with separate instruction and data buses, an MPU for memory protection, and DSP extensions including SIMD and MAC instructions. At 300 MHz it delivers up to 1500 CoreMark and 2.14 DMIPS/MHz, backed by 16 KB I-cache and 16 KB D-cache. Hardware encryption is supported through optional AES, TRNG, and secure boot, addressing IoT and connected-device security requirements. Typical applications include industrial motor control (BLDC/PMSM via PWM and quadrature encoder), industrial automation gateways with CAN-FD and Ethernet, IoT edge nodes with secure cloud connectivity, automotive body electronics (non-safety), audio processing with I2S/Class-D amplifiers, and graphics or touch HMI. The combination of Cortex-M7 DSP performance, CAN-FD, and Ethernet suits Industry 4.0 nodes. When designing with the ATSAME70Q19B-ANT, ensure decoupling capacitors are placed close to each VDD/VDDIO pin pair, and route the external 12 MHz crystal traces symmetrically with a ground guard ring to minimize EMI. The HSE Bypass mode allows clock injection from an external source, useful for synchronizing multiple boards in industrial networks. The 'ANT' suffix denotes LQFP-144, tape-and-reel packaging for surface-mount production. This page synthesizes distributor pricing, same-family drop-in alternatives, application examples, and practical design notes not consolidated on any single distributor or manufacturer page.

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ATSAME70Q19B-CN - 300MHz Cortex-M7 MCU 512KB Flash | Microchip
ATSAME70Q19B-CN

ATSAME70Q19B-CN - 300MHz Cortex-M7 MCU 512KB Flash | Microchip

The Microchip Technology ATSAME70Q19B-CN is a high-performance 32-bit ARM Cortex-M7 microcontroller with Floating Point Unit (FPU) operating at up to 300MHz, integrating 512KB of Flash and 256KB of SRAM in a 144-pin LFBGA (10x10 mm) package. The device is part of the SAM E70 family targeting industrial, automotive, and connectivity applications with a dedicated system architecture optimized for real-time deterministic response. An ARM Cortex-M7 microcontroller is a 32-bit RISC processor core designed for embedded applications requiring high computational throughput, deterministic interrupt latency, and DSP-class signal processing. The M7 architecture supersedes earlier Cortex-M4/M3 cores by adding a six-stage superscalar pipeline, dual-issue capability, branch prediction, and a single-precision FPU that together deliver roughly twice the CoreMark/mW efficiency of an M4. Within Microchip's wider hierarchy, the SAM E70 series sits between the Cortex-M4-based SAM S70/SAM E70 siblings and the Cortex-M7 high-end portfolio, bridging motor control, industrial automation, and high-speed connectivity. Key features include 300MHz core frequency, 512KB Flash with ECC, 256KB SRAM, an integrated 12-bit ADC, a 12-bit DAC, multiple UART/SPI/TWI interfaces, HS USB, dual CAN-FD controllers, and an Ethernet MAC. The 144-LFBGA package provides a small footprint suitable for space-constrained designs while exposing a rich peripheral set for system integration. The device operates from a 1.2V internal core supply with wide I/O tolerance. Architecturally, the SAME70Q19B-CN uses the M7's tightly-coupled memory (TCM) interface with configurable wait states, supports cryptographic accelerators in related family members, and integrates a high-speed bus matrix. Performance analysis shows the device achieves over 1500 CoreMark while maintaining deterministic interrupt response under 12 cycles, making it suitable for hard-real-time control loops. Typical applications include industrial motor control (BLDC/PMSM drives), factory automation PLCs, automotive body and chassis subsystems, audio processing with the integrated DAC, high-speed connectivity gateways, and graphical HMI terminals. Designers appreciate the SAM E70 family for offering Cortex-M7 performance with mature Microchip ecosystem support (MPLAB X, Harmony 3, ASF). When designing with this device, ensure the PCB layout adheres to the LFBGA-144 escape routing guidelines and that the 1.2V core is supplied by an internal LDO that requires adequate bulk capacitance on VDDCORE pins. Decoupling must follow the reference schematic in the datasheet. This page synthesizes distributor pricing, drop-in alternatives within the SAME70 family, and practical design notes that complement the Microchip datasheet with cross-brand sourcing intelligence.

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ATSAME70Q20A-CFN - 300MHz Cortex-M7 MCU 1MB Flash | Microchip
ATSAME70Q20A-CFN

ATSAME70Q20A-CFN - 300MHz Cortex-M7 MCU 1MB Flash | Microchip

The Microchip ATSAME70Q20A-CFN is a high-performance 32-bit ARM Cortex-M7 microcontroller with Floating Point Unit, operating at up to 300 MHz and integrating 1 MB of Flash and 384 KB of SRAM in a 144-ball UFBGA (10x10x0.6 mm) package. Designed for demanding embedded applications, the device features a 6-layer bus matrix (AHB/APB), an integrated 16-bit bridge to external SDRAM, and a rich peripheral set including high-speed USB, HS SD card/SDIO, EMAC with 1588, CAN-FD, and a 12-bit 2 MSPS AFEC. The Cortex-M7 core includes a single-precision FPU, DSP extensions, and ICache/DCache with ECC for deterministic real-time execution. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), working memory (SRAM), and configurable peripherals behind a tightly-coupled bus matrix. In the broader taxonomy, the ATSAME70Q20A belongs to ARM Cortex-M7 microcontrollers -> 32-bit Flash MCUs -> embedded microcontrollers -> microprocessors and controllers. The Cortex-M7 architecture specifically targets high-performance deterministic signal processing, replacing traditional MCU+DSP dual-chip designs in audio, motor-control, and industrial automation systems. Key features of the ATSAME70Q20A-CFN include 1 MB on-chip Flash with secure bootloader support, 384 KB SRAM with error correction, 16-bit external bus interface (EBI) for SRAM/SDRAM/NOR, a 2-channel 16-bit PWM timer plus 24-bit purpose timer/counter, and up to 114 programmable I/O lines. An integrated 12-bit 2 MSPS analog front-end with up to 24 channels supports high-speed mixed-signal designs without external ADCs. Architecturally, the SAME70 family uses a 6-layer AHB bus matrix enabling parallel DMA and CPU accesses without contention, plus a dedicated Cortex-M7 Floating Point Unit delivering up to 600 DMIPS / 1284 CoreMark. Hardware cryptographic acceleration (AES, TDES, SHA), true random number generator (TRNG), and secure RTC support IEC 62443-friendly connected designs. Operating voltage spans 1.62-3.6 V across -40C to +85C industrial temperature range. Typical applications include industrial motor control (FOC for PMSM/BLDC), automotive body and chassis ECUs, audio/video processing, smart energy gateways with Ethernet connectivity, building automation, and IoT edge nodes requiring TLS/secure-boot. Its combination of Cortex-M7 DSP, FPU, and EMAC makes it a popular choice for EtherCAT/POWERLINK slave controllers. When designing with the ATSAME70Q20A-CFN, allocate at least 6 decoupling capacitors (100 nF + 4.7 uF per VDD pair) and follow the SAME70 hardware design checklist for EBI/SDRAM signal integrity. The 0.6 mm-pitch UFBGA requires HDI PCB fabrication with microvia stacks for fan-out routing. This page synthesizes distributor pricing as of 2026-09-22, SAME70 family drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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ATSAME70Q20A-CN - 300MHz Cortex-M7 MCU 1MB Flash LFBGA-144 | Microchip
ATSAME70Q20A-CN

ATSAME70Q20A-CN - 300MHz Cortex-M7 MCU 1MB Flash LFBGA-144 | Microchip

The Microchip ATSAME70Q20A-CN is a high-performance 32-bit ARM Cortex-M7 microcontroller with Floating Point Unit (FPU) operating at up to 300 MHz, integrating 1 MB of Flash and 384 KB of SRAM in a 144-pin LFBGA package. It is part of the SAME70 family and operates from a 1.8V/2.5V/3.3V supply with industrial temperature range (-40C to +85C). The suffix -CN designates the LFBGA-144 tray packaging. A Cortex-M7 microcontroller is a 32-bit ARM processor core designed for high-performance embedded applications, featuring a six-stage superscalar pipeline, single/double-precision FPU, and tightly-coupled memory for deterministic real-time response. Within the broader hierarchy, the M7 sits above Cortex-M4 microcontrollers in compute capability and below Cortex-A application processors, belonging to the ARM microcontroller family used in motor control, industrial automation, and audio processing. The ATSAME70Q20A-CN adds DSP extensions, MPU, and a rich peripheral set, positioning it for high-end embedded designs. Key features include 1 MB embedded Flash with error correction, 384 KB SRAM (including 128 KB TCM for core data), a 16-bit External Bus Interface (EBI) supporting SDRAM, NAND Flash, and SRAM, USB 2.0 High-Speed with on-chip PHY, dual CAN-FD controllers, Ethernet MAC with 1588 PTP support, and a 12-bit ADC up to 1.7 Msps. Cryptographic features include AES, TRNG, and secure boot. The high-speed peripheral set makes the part suitable for industrial connectivity, HMI, and audio codec interfaces. The ATSAME70Q20A-CN's architecture combines Cortex-M7 core performance with Microchip's SAM family peripheral integration. The FPU accelerates floating-point DSP tasks like FFT, FIR filtering, and motor control algorithms. Dual tightly-coupled memories (TCM) provide deterministic code/data access without wait states, while the multi-layer bus matrix allows simultaneous peripheral DMA traffic. Hardware cryptographic acceleration offloads AES and TRNG from the CPU. Typical applications include industrial motor control (FOC drives, servo controllers), audio processing (multi-channel playback, USB audio interfaces), HMI and graphical touch panels, building automation gateways, and high-speed communication hubs (CAN-FD, USB, Ethernet). The 1 MB Flash supports complex RTOS and full TCP/IP stacks with HTTPS. When designing with the ATSAME70Q20A-CN, ensure proper decoupling with 100 nF ceramic capacitors on every supply pin and a 4.7 uF bulk capacitor on VDDIO. The LFBGA-144 package requires PCB design with microvia technology and controlled impedance routing for high-speed USB and Ethernet traces. The internal 1.2V core LDO must be enabled with external capacitors per the datasheet reference circuit. This page synthesizes distributor pricing across 12 channels, drop-in SAME70 family alternatives, and PCB design notes not found in the manufacturer datasheet, providing engineering context for high-performance Cortex-M7 MCU selection.

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ATSAME70Q20A-CNT - 300MHz Cortex-M7 MCU, 1MB Flash | Microchip
ATSAME70Q20A-CNT

ATSAME70Q20A-CNT - 300MHz Cortex-M7 MCU, 1MB Flash | Microchip

The Microchip Technology ATSAME70Q20A-CNT is a 32-bit ARM Cortex-M7 microcontroller with FPU operating at up to 300 MHz, integrating 1 MB of Flash and 384 KB of SRAM in a 144-pin LFBGA (10x10 mm) package. It belongs to the SAM E70 family of high-performance flash microcontrollers designed for connected, real-time, and graphics-intensive embedded applications. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (SRAM), and a rich set of peripherals. The Cortex-M7 is the highest-performance ARM Cortex-M core, featuring a 6-stage superscalar pipeline, branch prediction, single/double-precision FPU, and optional ICache/DCaches that deliver Dhrystone 2.1 performance exceeding 1500 DMIPS. Compared to Cortex-M4, the M7 typically offers 2x DSP and floating-point throughput, making it ideal for signal processing and high-speed control loops. Key features of the ATSAME70Q20A-CNT include a 300 MHz core with FPU, 1 MB Flash, 384 KB SRAM (multi-port SRAM with optional ECC), and an extensive peripheral set: High-Speed USB Host/Device with on-chip PHY, dual CAN-FD, 10/100 Ethernet MAC with IEEE 1588 PTP support, HS SD card/MMC interface, image sensor interface, 12-bit 2 MSPS ADC, 12-bit DAC, I2S, and TFT LCD controller. The device operates from 1.2V core and 3.3V I/O supplies, and the -CNT suffix indicates the industrial temperature range (-40C to +85C) in Tape & Reel packaging. Typical applications include industrial automation and PLCs, motor control and drives, smart energy metering, building automation, automotive telematics and infotainment, medical instrumentation, point-of-sale terminals, and embedded graphics with TFT displays. The combination of Ethernet, CAN-FD, and USB makes the SAM E70 especially suited to industrial IoT gateways requiring deterministic wired connectivity. When designing with this MCU, ensure the 1.2V core regulator (LDO or switching) can supply transient currents of ~250 mA during clock transitions. Use a multi-layer PCB with a continuous ground pour under the LFBGA to manage thermal dissipation and provide low-impedance return paths for the high-speed HS USB and Ethernet signals. This page synthesizes distributor pricing, drop-in alternatives, application guidance, and design notes for the ATSAME70Q20A-CNT that go beyond the manufacturer datasheet, optimized for engineers and procurement teams evaluating Cortex-M7 MCU options in 2026.

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ATSAME70Q20B-AN - 300MHz Cortex-M7 MCU, 1MB Flash | Microchip
ATSAME70Q20B-AN

ATSAME70Q20B-AN - 300MHz Cortex-M7 MCU, 1MB Flash | Microchip

The Microchip Technology ATSAME70Q20B-AN is a high-performance 32-bit ARM Cortex-M7 microcontroller with FPU, operating at up to 300 MHz, integrating 1 MB of Flash and 384 KB of SRAM in a 144-pin LQFP (20x20 mm) package. It belongs to the SAM E70 family of flash microcontrollers designed for industrial connectivity, motor control, and graphical HMI applications. A microcontroller (MCU) is a single-chip computer containing a processor core, memory, and programmable peripherals. The Cortex-M7 core is ARM's highest-performance M-class core with a 6-stage superscalar pipeline, double-precision FPU, and tightly-coupled memory (TCM) for deterministic interrupt response. The SAM E70 family sits above Cortex-M4 parts in ARM's portfolio, bridging the gap between MCU and MPU for compute-intensive embedded designs. Key differentiating specifications include a 300 MHz core clock, 1 MB on-chip Flash, 384 KB SRAM (plus 16 KB ICache and 16 KB DCache), and an extensive peripheral set: HS USB with on-chip PHY, dual CAN-FD, Ethernet MAC with 1588 PTP, and a high-speed 12-bit 2 MSPS ADC. The 144-LQFP package exposes up to 114 GPIO, supporting parallel bus interfaces for external memory and displays. Architecturally, the device combines the Cortex-M7 core with 4 KB each of ICache and DCache for branchy C-code workloads, plus 384 KB of system SRAM. The advanced peripherals include a graphics LCD controller (up to XGA resolution), a camera interface, and a 32-bit external bus interface (EBI) for SRAM/SDRAM/NOR/NAND expansion. A single 1.2 V internal LDO and 3.3 V I/O ring optimize power dissipation across the 300 MHz operating range. Typical applications include industrial motor drives, building automation controllers, IoT edge gateways with Ethernet, graphical HMI panels, automotive telematics, and medical instrumentation. The combination of Cortex-M7 DSP/FPU performance with Ethernet, CAN-FD, and USB makes it well suited for connected industrial nodes requiring deterministic communication. When designing with the ATSAME70Q20B-AN, ensure the 3.3 V analog supply (VDDANA) is decoupled with a low-ESR 100 nF plus 10 uF bulk capacitor, and that the 1.2 V core is supplied by the internal LDO with adequate bulk capacitance (4.7 uF + 100 nF) on VDDOUT. The high-speed ADC requires a clean AREF reference and a low-impedance ground return. This page synthesizes real-time distributor pricing, drop-in package-compatible alternatives (same LQFP-144 footprint), and practical design notes that are not found in the manufacturer datasheet alone.

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ATSAME70Q20B-ANT - 300MHz Cortex-M7 MCU 1MB Flash LQFP-144
ATSAME70Q20B-ANT

ATSAME70Q20B-ANT - 300MHz Cortex-M7 MCU 1MB Flash LQFP-144

The Microchip ATSAME70Q20B-ANT is a 32-bit ARM Cortex-M7 microcontroller with FPU operating up to 300 MHz, featuring 1 MB of Flash and 384 KB of SRAM in a 144-pin LQFP (20x20 mm) package. Designed for high-performance embedded applications, it integrates a 16-bit external data bus with a 24-bit address bus, multiple PWM channels, ADC, DMA, and DAC peripherals. The device operates across an industrial temperature range of -40C to +105C from a nominal 1.2V core supply. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (SRAM), and a rich set of peripherals on one silicon die. The Cortex-M7 belongs to the ARM Cortex-M family of processors optimized for microcontroller use; it adds a double-precision FPU, branch prediction, and tight tightly-coupled memory interfaces that make it the highest-performance Cortex-M core available. Within Microchip's portfolio the ATSAME70Q20B belongs to the SAME70 family, which sits at the top of the SAM E7x high-performance series targeted at motor control, industrial connectivity, and audio/graphics HMI. Key features include 300 MHz Cortex-M7 core with double-precision FPU, 1 MB Flash with dual-bank support for live update, 384 KB SRAM with 128 KB tightly-coupled SRAM for deterministic code/data, and a 16-bit external bus interface (EBI) that allows connection to SRAM, SDRAM, and NOR/NAND Flash. The integrated High-Speed USB Host/Device with on-chip PHY, two CAN-FD controllers, and an EMAC with 1588 PTP support position it for industrial Ethernet and Fieldbus gateways. From an architectural perspective the SAME70Q20B uses a 7-layer AHB bus matrix and dedicated peripherals connected via separate bridges, which lets the DMA-driven XDMAC service high-bandwidth streams without stalling the CPU. The integrated Embedded Trace Macrocell (ETM) plus 4-bit trace port makes real-time instruction trace feasible at 300 MHz - rare for an MCU at this price point. Typical applications include industrial motor control (FOC for 3-phase PMSM/BLDC drives), automotive telematics and gateway ECUs, building automation (BACnet/KNX bridges), Point-of-Sale terminals, machine vision edge nodes, and high-end audio/voice front ends. Pairing with the SAME70 Xplained Pro evaluation kit accelerates firmware bring-up. When designing with the ATSAME70Q20B-ANT, pay attention to the 1.2V core rail which must be supplied either by an internal LDO regulator mode or an external switching regulator. Decoupling the VDDCORE pin with 100 nF + 4.7 uF close to the package, and providing adequate bulk capacitance on VDDIO and VDDPLL pins, is critical for stable operation at 300 MHz. The 144-pin LQFP footprint is shared with most other ATSAME70/ATSAMS70/ATSAMV71 derivatives, easing PCB reuse across variants. This page synthesizes distributor pricing for the ATSAME70Q20B-ANT, lists same-family drop-in alternatives, and combines practical design guidance not consolidated in the manufacturer datasheet.

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ATSAME70Q20B-CFN - ARM Cortex-M7 MCU 300MHz 1MB Flash | Microchip
ATSAME70Q20B-CFN

ATSAME70Q20B-CFN - ARM Cortex-M7 MCU 300MHz 1MB Flash | Microchip

The Microchip Technology ATSAME70Q20B-CFN is a high-performance 32-bit ARM Cortex-M7 microcontroller with FPU, operating at up to 300 MHz, featuring 1 MB of Flash and 384 KB of SRAM in a 144-ball UFBGA (6x6) package. It integrates an Embedded Flash memory controller, multi-port SRAM, and a rich set of peripherals designed for industrial and consumer embedded systems that demand real-time DSP and deterministic control. A Cortex-M7 microcontroller is a 32-bit ARM processor core featuring a six-stage pipeline, hardware single-precision and double-precision floating-point unit, branch prediction, and tightly-coupled memories for deterministic low-latency code and data access. The Cortex-M7 sits at the top of the Cortex-M family and belongs to the ARM microcontroller taxonomy (ARM Cortex-M -> 32-bit MCU -> microcontroller -> semiconductor), bridging the gap between classic microcontrollers and application processors for high-performance DSP and control workloads. Key features include the 300 MHz Cortex-M7 core with double-precision FPU, 16 KB I-cache and 16 KB D-cache, 1 MB dual-bank Flash with ECC, 384 KB multi-port SRAM, an embedded Flash controller, high-speed USB 2.0 High-Speed with on-chip PHY, dual CAN-FD controllers, an Ethernet MAC with IEEE 1588 1588v2 support, and a 12-bit 2 MSPS ADC. Communication peripherals include HS USB, FS USB, dual CAN-FD, Ethernet GMII/MII, multiple USART/UART/SPI/TWI/I2S, and an SD-card / eMMC-compatible HSMCI interface. The UFBGA-144 package exposes up to 109 GPIO with multiple 5V-tolerant I/O lines. Typical applications include industrial automation controllers, building automation and HVAC, smart-energy and IEC 62054-21 metering platforms, motor control and field-oriented control drives, automotive body and chassis ECUs, medical instrumentation, point-of-sale terminals, multi-axis CNC and robotics controllers, and high-speed IoT gateways. The Cortex-M7 core paired with the Ethernet MAC, USB HS PHY, and CAN-FD makes this MCU a strong fit for connected industrial nodes requiring real-time control with on-chip connectivity. When designing with this device, ensure the PCB layout respects the UFBGA-144 0.5 mm ball pitch and 6x6 mm body. Use the on-chip voltage regulator with proper decoupling per the datasheet, keep HS-USB differential pairs length-matched, and validate external SDRAM timing when using the External Bus Interface for extended memory. Always review the latest errata before committing to a board revision. This page synthesizes Microchip product documentation, distributor pricing, drop-in alternatives, and engineering design notes not consolidated in the manufacturer datasheet alone.

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ATSAME70Q20B-CN - 300MHz Cortex-M7 MCU, 1MB Flash | Microchip
ATSAME70Q20B-CN

ATSAME70Q20B-CN - 300MHz Cortex-M7 MCU, 1MB Flash | Microchip

The Microchip ATSAME70Q20B-CN is a high-performance 32-bit ARM Cortex-M7 microcontroller from the SAM E70 family, operating at up to 300 MHz with a single-precision Floating Point Unit (FPU). It integrates 1 MB of Flash and 384 KB of SRAM in a 144-pin LFBGA (10x10 mm) package, targeting industrial, automotive, and connected embedded designs requiring deterministic real-time response. The Cortex-M7 core delivers 1500 CoreMark / 300 DMIPS performance and supports DSP extensions, double-precision FPU, and ICache/DCache for tight loops. What is a Cortex-M7 microcontroller? A Cortex-M7 microcontroller is a high-end 32-bit MCU based on the ARM Cortex-M7 processor core, designed for applications requiring high computational throughput, floating-point arithmetic, and DSP performance. Within the broader taxonomy it sits at the top of the Cortex-M family, above Cortex-M4/M3, and belongs to the general category of embedded microcontrollers (MCUs) used in industrial control, motor drives, audio processing, and graphical HMI. Key features include 1 MB embedded Flash, 384 KB multi-port SRAM with 32 KB tightly-coupled memory (TCM), a 16-bit external bus interface (EBI) for SDRAM/NAND/NOR expansion, and a rich connectivity suite: Ethernet MAC (10/100 Mbps), USB 2.0 High-Speed PHY, CAN-FD, HS-SPI, TWI (I2C), and USART. Integrated peripherals include an advanced 12-bit ADC up to 2 Msps, 12-bit DAC, motor-control PWMs (PWMH/PWML), camera interface, and an on-chip cryptographic accelerator suite supporting AES, TDES, SHA, and True Random Number Generator (TRNG). Technically, the device is built on a low-power 65 nm process and supports an operating voltage range of 1.62-3.6 V. It includes a sophisticated Event System for hardware-triggered inter-peripheral signaling without CPU intervention, a 32-bit Real-Time Clock with calendar, and a Parallel Capture Controller. The dual 16-channel 12-bit ADC with up to 24 analog inputs and oversampling enables precision sensor acquisition. A 32-bit Sigma-Delta audio interface is integrated for high-fidelity digital audio. Typical applications include industrial motor control (FOC/PMSM drives), PLC and factory automation controllers, building automation gateways, automotive body and ADAS sensor fusion, audio DSP processors, smart energy meters, and graphical HMI panels. The combination of 300 MHz core speed, 1 MB Flash, and 384 KB SRAM makes it well-suited for protocol stacks running concurrently (e.g., EtherCAT + CAN-FD + USB). When designing with this device, pay attention to BGA fan-out, signal integrity on high-speed EBI/HS-USB traces, and thermal management at sustained 300 MHz operation. Decoupling must include 100 nF X7R per power pin and 4.7 µF bulk near the LDO inputs. Programming is supported by Atmel Studio 7, MPLAB X IDE, and Microchip's Harmony framework. This page synthesizes distributor pricing, pin-compatible drop-in alternatives within the SAME70 family, and practical design notes that complement the manufacturer datasheet for engineers evaluating ATSAME70Q20B-CN for new designs.

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ATSAME70Q20B-CNT - 300MHz Cortex-M7 MCU 1MB Flash LFBGA-144 | Microchip
ATSAME70Q20B-CNT

ATSAME70Q20B-CNT - 300MHz Cortex-M7 MCU 1MB Flash LFBGA-144 | Microchip

The Microchip Technology ATSAME70Q20B-CNT is a 32-bit ARM Cortex-M7 microcontroller with Floating Point Unit (FPU) operating at up to 300 MHz, integrating 1 MB of Flash and 384 KB of SRAM in a 144-pin LFBGA (10x10 mm) package. It belongs to the SAM E70 family, designed for high-performance embedded applications requiring deterministic real-time response, DSP-grade math, and rich connectivity peripherals. A microcontroller (MCU) is a single-chip computer that integrates a processor core, memory, and programmable I/O peripherals on one silicon die. The ARM Cortex-M7 architecture represents the highest-performance member of the ARMv7-M Cortex-M family, featuring a 6-stage superscalar pipeline, branch prediction, single-precision and double-precision FPU, and tightly-coupled memory (TCM) for deterministic interrupt latency. SAM E70 devices sit in the high-performance tier above Cortex-M4 parts, suitable for motor control, audio processing, and industrial networking. Key features of the ATSAME70Q20B-CNT include 1 MB Flash (single-bank with ECC), 384 KB SRAM with ECC support, dual 16-bit Analog Front End (AFE) capable of motor-control PWM, High-Speed USB Host+Device with on-chip PHY, two CAN-FD controllers, IEEE 1588-capable Ethernet MAC (GMAC), and an image-sensor interface. The part supports up to 144 GPIO and runs from a 1.2 V internal core supply with 3.3 V I/O. The SAM E70 architecture integrates DSP extensions (SIMD) and an MPU for safety isolation. AHB/APB matrix with dedicated bridges enables concurrent DMA-driven peripheral activity without starving the CPU, while the Embedded Trace Macrocell (ETM) provides non-intrusive instruction tracing for debugging complex firmware. Typical applications include industrial motor drives (BLDC, PMSM, FOC), factory automation controllers, building-automation gateways, audio processing units, and connected IoT edge nodes. The Ethernet+CAN-FD combination makes the part well suited for industrial networked control. When designing with this device, allocate adequate decoupling: at least 100 nF + 4.7 uF near each VDD pin. Place the 12 MHz crystal within 5 mm of XIN/XOUT, route the QSPI signals impedance-controlled, and keep the TCK/SWDIO traces short to maintain debug reliability. This page synthesizes distributor pricing, same-family pin-compatible variants, and practical design notes not found in the standalone manufacturer datasheet - a curated knowledge base for engineers evaluating the SAM E70 family for production designs.

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ATSAME70Q21A-A - 300MHz Cortex-M7 MCU, 2MB Flash | Microchip
ATSAME70Q21A-A

ATSAME70Q21A-A - 300MHz Cortex-M7 MCU, 2MB Flash | Microchip

The Microchip Technology ATSAME70Q21A-A is a 32-bit ARM Cortex-M7 microcontroller with FPU operating at up to 300MHz, featuring 2MB of Flash and 384KB of SRAM, housed in a 144-pin LQFP package (20x20mm). The device integrates an advanced peripheral set including a High-Speed USB Host/Device with PHY, a 10/100Mbps Ethernet MAC with 1588 precision time protocol support, dual CAN-FD controllers, and a 16-bit HSPI interface for high-bandwidth peripherals. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory, and programmable peripherals. The ATSAME70Q21A-A sits within the high-performance tier of Cortex-M7 microcontrollers, which in turn belong to the ARM Cortex-M processor family designed for deterministic real-time embedded applications. As a member of the SAM E70 family, this part targets industrial networking, motor control, and graphical HMI applications where high computational throughput and deterministic interrupt response are essential. Key features include a single-precision/double-precision FPU for floating-point DSP workloads, a 32KB instruction cache plus 32KB data cache, tightly-coupled SRAM for zero-wait-state code execution, and a Camera Interface for image sensor input. The device operates from 1.8V to 3.3V I/O with an internal voltage regulator, and supports industrial operating temperature ranges. An integrated cryptographic accelerator and True Random Number Generator (TRNG) provide hardware-accelerated security primitives for connected-embedded designs. The Cortex-M7 core features superscalar instruction execution, branch prediction, and DSP extensions including SIMD instructions. This architecture delivers up to 1500 CoreMark performance, making the ATSAME70Q21A-A suitable for complex control loops and signal processing. The peripheral DMA controller (XDMAC) with linked-list descriptors offloads data movement from the CPU, preserving bandwidth for application logic. Typical applications include industrial PLC and HMI panels, motor control FOC drives, industrial Ethernet nodes (EtherCAT/PROFINET), smart energy gateways, automotive infotainment and ADAS sensor fusion, and connected IoT edge gateways. The wide peripheral mix and 300MHz throughput make it ideal for deterministic multi-protocol industrial nodes. When designing with this MCU, ensure the VDDCORE and VDDIO rails are sequenced correctly per the datasheet power-up requirements. Use the MPLAB Harmony 3 framework for peripheral drivers, and consider the PBGA-144 variant for designs requiring smaller footprint or improved thermal dissipation through the bottom thermal pad. This page synthesizes drop-in alternatives, parametric comparisons, and practical design notes not found in the manufacturer datasheet alone, helping engineers select and qualify the ATSAME70Q21A-A for high-performance embedded designs.

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ATSAME70Q21A-AN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70Q21A-AN

ATSAME70Q21A-AN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip

The Microchip Technology ATSAME70Q21A-AN is a high-performance 32-bit ARM Cortex-M7 microcontroller with Floating Point Unit (FPU) operating at up to 300 MHz, integrating 2 MB of Flash and 384 KB of SRAM in a 144-pin LQFP (20x20 mm) package. Part of the SAM E70 family, this MCU delivers 1500 CoreMark / 300 DMIPS performance and embeds a rich set of peripherals including HS USB Host/Device with on-chip PHY, CAN-FD, 10/100 Ethernet MAC, image sensor interface (ISI), and high-speed synchronous serial interfaces for TFT displays and audio codecs. A microcontroller (MCU) is a single-chip computer containing a processor core, program memory (Flash), data memory (SRAM), and integrated peripherals. Within the broader semiconductor taxonomy, an MCU belongs to the category of microcontrollers -> embedded processors -> integrated circuits -> semiconductors. The Cortex-M7 core specifically targets digital signal control applications by combining deterministic interrupt response with DSP extensions and a double-precision FPU, enabling complex control loops and signal processing without external DSP chips. Key differentiating features of the ATSAME70Q21A-AN include 2 MB dual-bank Flash allowing live firmware updates, 384 KB tightly-coupled SRAM for low-latency code/data access, hardware cryptography accelerators (AES, TRNG), 16-bit SDRAM controller, and a 12-bit 2 MSPS ADC with up to 24 channels. The device operates from 1.62 V to 3.6 V supply and supports industrial temperature range -40C to +85C. The architecture integrates a 16 KB I-cache and 16 KB D-cache connected via a 64-bit AXI bus to the multi-layer bus matrix, isolating CPU traffic from DMA channels. This bandwidth headroom is critical for sustaining 300 MHz operation with simultaneous Ethernet, USB, and display refresh activity. The Peripheral Event System and PDC/DMA channels enable autonomous data movement without CPU intervention, ideal for motor control and audio streaming. Typical applications include industrial automation controllers, automotive infotainment and instrument clusters, building automation gateways, smart energy metering, audio amplifiers and PA systems, drone flight controllers, and HMI terminals with TFT displays. The combination of Ethernet and CAN-FD makes the part particularly suited to Industry 4.0 edge nodes. When designing with this MCU, allocate PCB space for the 20x20 mm LQFP footprint and provide adequate decoupling (100 nF + 4.7 uF per VDD pin pair) near the exposed pad. Use MPLAB X IDE with MPLAB XC32 compiler; SAM E70 BSP and ASF3 drivers accelerate peripheral bring-up. For safety-critical firmware, enable the dual-bank Flash and use the hardware CRC32 module. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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ATSAME70Q21A-ANT - Cortex-M7 MCU 300MHz 2MB Flash | Microchip
ATSAME70Q21A-ANT

ATSAME70Q21A-ANT - Cortex-M7 MCU 300MHz 2MB Flash | Microchip

The Microchip Technology ATSAME70Q21A-ANT is a high-performance 32-bit ARM Cortex-M7 microcontroller with Floating Point Unit, operating at up to 300 MHz, integrating 2 MB of Flash and 384 KB of SRAM in a 144-pin LQFP (20x20 mm) package with tape-and-reel packaging. Headline parameters: 300 MHz CPU clock, 2 MB Flash, 384 KB multi-port SRAM, LQFP-144. What is a Cortex-M7 microcontroller? A Cortex-M7 is a 32-bit ARM processor core designed for high-performance embedded applications requiring DSP capability and single-precision floating-point arithmetic. It sits in the ARM Cortex-M hierarchy above Cortex-M4 and below Cortex-A application cores, and is widely used in industrial motor control, audio processing, and high-speed data acquisition. As a microcontroller IC it belongs to the broader category of embedded processors, integrating CPU core, memory, peripherals, and analog interfaces on a single die. Key features include a 16-bit External Bus Interface (EBI) supporting SDRAM/LDDRAM/NAND Flash controllers, a high-speed USB 2.0 High-Speed PHY (480 Mbps) with on-chip transceiver, dual CAN-FD controllers, and a built-in 10/100 Ethernet MAC with IEEE 1588 PTP support for time-sensitive networking. The device integrates a 12-bit 2 MSPS ADC, two 12-bit 1 MSPS DACs, and a comprehensive set of timers including PWM, QEI, and quadrature decoders for motor and power-conversion control. The ATSAME70Q21A uses an advanced 65nm process and a dual-bank Flash architecture with 128-bit-wide access that delivers zero-wait-state execution from Flash at 300 MHz. The multi-port SRAM is split into four banks allowing simultaneous CPU and DMA access, eliminating contention in high-bandwidth streaming applications such as audio codecs, vision processing, and motor control loops. Typical applications include industrial drives (servo and stepper), automotive body and chassis ECUs, audio amplifiers and soundbars, machine vision cameras, smart metering, building automation, and Ethernet-connected IoT gateways. The high-speed USB, CAN-FD and Ethernet peripherals allow simultaneous wired connectivity while the Cortex-M7 DSP performance handles sensor fusion in real time. When designing with the ATSAME70Q21A, ensure the PCB layout provides a solid ground plane and short traces for the high-speed USB differential pair (D+/D-), Ethernet TX/RX pairs, and the 12 MHz crystal reference. The 144-LQFP package has a thermal pad that must be soldered to the ground plane for proper thermal dissipation and signal return. This page synthesizes distributor pricing, drop-in alternatives, comparison data and practical design notes that go beyond what is found in the bare Microchip datasheet, helping engineers select and source the right part for high-performance Cortex-M7 designs.

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ATSAME70Q21A-CFNT - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70Q21A-CFNT

ATSAME70Q21A-CFNT - 300MHz Cortex-M7 MCU 2MB Flash | Microchip

The Microchip Technology ATSAME70Q21A-CFNT is a high-performance 32-bit ARM Cortex-M7 microcontroller with FPU operating at up to 300MHz, integrating 2MB of Flash and 384KB of multi-port SRAM in a 144-pin UFBGA (10x10x0.6mm) package. What is a Cortex-M7 microcontroller? An ARM Cortex-M7 MCU is a 32-bit RISC processor core designed for high-performance embedded applications requiring DSP capability, single-precision/double-precision floating-point math, and deterministic real-time response. Within the broader taxonomy, the Cortex-M7 sits at the top of the Cortex-M family (Cortex-M0/M0+/M3/M4/M7), and the SAM E70 belongs to Microchip's high-end MCU family that competes with Cortex-M7 parts from ST, NXP, and Renesas. It is the central compute element in systems where an M4-class MCU is insufficient but an applications processor is unnecessary. Key features of the ATSAME70Q21A-CFNT include 2MB on-chip Flash (2M x 8), 384KB SRAM, 16KB instruction cache plus 16KB data cache, a high-speed USB 2.0 High-Speed PHY with on-chip transceiver, dual CAN-FD controllers, an EMAC with 1588 PTP, image sensor interface, and a 12-bit ADC up to 2Msps. The 6-channel 16-bit PWM timer plus 8-channel 16-bit timer counter blocks make it suitable for motor and power conversion control. The peripheral DMA controller (PDC) and AHB bus matrix with QoS optimization allow sustained memory bandwidth at full core clock. Architecturally, the ATSAME70Q21A-CFNT combines a superscalar Cortex-M7 core with Tightly Coupled Memory (TCM) interfaces and multi-port SRAM that delivers zero-wait-state performance to 384KB of fast memory while the 2MB Flash is accessed via an AHB interface with cache acceleration. The integrated FPU supports both single and double precision, enabling complex DSP and control algorithms without software emulation overhead. Hardware cryptographic accelerators and True Random Number Generator (TRNG) provide security primitives for connected applications. Typical applications include industrial automation and PLCs, automotive body and infotainment ECUs, building automation and HVAC controllers, medical instrumentation with graphical displays, audio processing and high-end consumer audio, point-of-sale terminals, and IoT edge gateways requiring Ethernet connectivity with real-time deterministic response. The combination of HS USB, EMAC, and CAN-FD also makes it appropriate for industrial networking and remote telemetry. When designing with this device, pay attention to the 144-ball UFBGA escape and the on-chip LDO/core supply sequencing. The internal 1.2V core regulator requires a specific decoupling network. For high-speed USB, follow the reference design layout for the 90-ohm differential pair. When migrating from a TFBGA-based SAMS70 design, the pinout is compatible within the same family.

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ATSAME70Q21A-CN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70Q21A-CN

ATSAME70Q21A-CN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip

The Microchip ATSAME70Q21A-CN is a high-performance 32-bit ARM Cortex-M7 microcontroller with Floating Point Unit, operating up to 300 MHz and featuring 2 MB of Flash and 384 KB of SRAM in a 144-pin LFBGA (10x10 mm) package. The device integrates 16 KB of ICache and DCache, a 16-bit SDRAM interface, 12-bit AFEC, and a Hi-Speed USB PHY with on-chip transceiver, making it suitable for connected embedded designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, and programmable peripherals. The Cortex-M7 family represents ARM's highest-performance Cortex-M core, featuring a 6-stage superscalar pipeline, branch prediction, single-precision FPU, and tightly-coupled memory (TCM) for deterministic real-time response. The SAM E70 line sits at the top of the Cortex-M tier for industrial, automotive, and IoT gateway applications where DSP-class math is required. Key features include the Cortex-M7 core running at 300 MHz with 16 KB ICache and 16 KB DCache, 384 KB SRAM with ECC, 2 MB Flash program memory, and a 16-bit external SDRAM controller supporting up to 64 MB. The peripheral set includes a 12-bit 2 MSPS ADC, two CAN-FD controllers, three USART/UART, two I2C, three SPI, one HS USB OTG with on-chip PHY, Ethernet MAC with 1588 PTP support, and a CMOS image sensor interface. The on-chip FPU enables single-precision IEEE 754 math in hardware. Architecturally, the SAM E70 family is pin-to-pin compatible with the SAM4E family (100-pin and 144-pin variants) and the lower-density SAM E70 members (Q19, Q20). This compatibility allows code and PCB reuse across product tiers and across migration from older SAM4E designs. The 144-LFBGA package provides high I/O density for applications requiring many external interfaces. Typical applications include industrial motor control (BLDC, servo, stepper), building automation (HVAC controllers, smart thermostats), audio processing (USB audio class 2.0, MP3 decoders, audio DSP), IoT gateways (Ethernet + Wi-Fi coexistence), automotive instrument clusters and ADAS sensor pre-processing, and high-speed connectivity hubs (USB + Ethernet bridges). The integrated HS USB PHY eliminates the need for an external ULPI transceiver in many designs. When designing with this device, allocate 5-10% of PCB area to 100 nF + 4.7 uF decoupling distributed across each VDD pin pair; respect the LFBGA 0.8 mm pitch which requires NSMD land patterns with 0.4 mm via diameter for reliable assembly. Use SAM E70 Software Framework (ASF) or Harmony 3 drivers to accelerate firmware development, and verify sleep-mode current with the actual application peripherals rather than datasheet minimums. This page synthesizes verified distributor pricing, same-brand and cross-brand drop-in alternatives, and practical design notes that complement but do not replace the manufacturer datasheet.

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ATSAME70Q21A-CNT - 300MHz Cortex-M7 MCU, 2MB Flash, 144-LFBGA | Microchip
ATSAME70Q21A-CNT

ATSAME70Q21A-CNT - 300MHz Cortex-M7 MCU, 2MB Flash, 144-LFBGA | Microchip

The Microchip Technology ATSAME70Q21A-CNT is a 32-bit ARM Cortex-M7 microcontroller running up to 300 MHz with single/double precision FPU, packaged in a 144-ball LFBGA (10x10 mm). It integrates 2 MB of Flash, 384 KB of multi-port SRAM, a high-speed 80 MHz SDRAM interface, and the SAM E70 peripheral set including HS USB, Ethernet, CAN-FD, and a 16-bit 2-channel audio DAC. An ARM Cortex-M7 microcontroller is a high-performance embedded processor core with an in-order pipeline, branch prediction, tightly-coupled memories, and a hardware Floating Point Unit. In the wider taxonomy it sits as a Cortex-M7 core -> 32-bit MCU -> microcontroller -> embedded IC -> semiconductor. The Cortex-M7 is positioned above Cortex-M4 for DSP-heavy and signal-processing workloads because it adds a 6-stage pipeline with branch prediction and a double-precision FPU; in the SAME70 it is paired with 16 KB I-cache + 16 KB D-cache and 384 KB system SRAM that can be partitioned into dual-bank SRAM for concurrent DMA/CPU access without contention. Key features include up to 300 MHz CPU clock, 2 MB Flash, 384 KB SRAM, a 16-bit stereo audio DAC, HS USB 2.0 device/host/OTG, 10/100 Ethernet MAC, two CAN-FD controllers, up to 17 SERCOM-configurable serial interfaces, a 24-bit AFEC, and 12-bit ADC. The integrated 80 MHz external bus interface supports SDRAM, SRAM, NOR Flash, and NAND Flash directly. The 144-LFBGA package provides generous I/O and clean high-speed signal escape for industrial-grade designs. The ATSAME70Q21A-CNT typically appears in industrial HMI panels, motor control inverters, audio products with on-board DAC, IoT gateways, and point-of-sale terminals. Designers choose this part when they need Cortex-M7 throughput with rich connectivity without paying for an MPU running Linux. When designing with this device, dedicate a 4-layer PCB stackup with continuous ground beneath the BGA and place the 12 MHz crystal within 5 mm of XIN/XOUT. Decouple every VDD/VBAT/VBUS pin with a 100 nF X7R plus a 4.7 uF bulk capacitor. Connect unused balls to a defined logic level, never leave them floating, to avoid leakage into the ESD structures. This page synthesizes distributor pricing, drop-in ATSAME70 family variants, and practical PCB/EMC design notes not found on the manufacturer summary page.

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ATSAME70Q21B-AN - ARM Cortex-M7 MCU 300MHz 2MB Flash | Microchip
ATSAME70Q21B-AN

ATSAME70Q21B-AN - ARM Cortex-M7 MCU 300MHz 2MB Flash | Microchip

The Microchip ATSAME70Q21B-AN is a high-performance 32-bit ARM Cortex-M7 microcontroller with FPU, operating at up to 300 MHz, integrating 2 MB of Flash and 384 KB of SRAM in a 144-pin LQFP (20x20 mm) package. It is a member of the SAM E70 family and targets applications requiring high computational throughput, deterministic real-time response, and rich connectivity peripherals. The device includes a double-precision FPU, ICache, and DCache supporting DSP extensions and single-precision floating-point operations commonly used in motor control, audio processing, and industrial automation. An MCU (Microcontroller Unit) is a single-chip computer that integrates a CPU core, memory, and programmable peripherals. The Cortex-M7 class is ARM's highest-performance microcontroller core, featuring a 6-stage pipeline, superscalar dual-issue execution, hardware FPU, and tightly-coupled memories for deterministic latency. Compared to Cortex-M4 parts, Cortex-M7 devices offer roughly 2x DMIPS performance, an enhanced SIMD instruction set, and an L1 cache, making them suitable for advanced signal processing and graphics applications. Key features of the ATSAME70Q21B-AN include: 300 MHz core clock, 2 MB embedded Flash, 384 KB SRAM with ECC, 16-bit External Bus Interface (EBI) supporting SDRAM, High-Speed USB Host/Device with on-chip PHY, dual CAN-FD controllers, Ethernet MAC (GMAC) with 1588 PTP, 12-bit 2 MSPS ADC, and image sensor interface. Security features include a True Random Number Generator (TRNG), hardware AES, secure boot, and flash tamper detection. The peripheral set is interconnected via AHB/APB matrix for low-latency DMA access. The device integrates a multi-layer bus matrix with two DMA controllers (16 channels total) and dual ports, allowing concurrent CPU and data transfer operations without contention. Its SmartMem peripherals include eMMC/SD card interface, NAND Flash controller with ECC, and SDRAM controller. The Event System enables hardware-triggered peripheral cooperation without CPU intervention, improving real-time deterministic behavior. Typical applications include industrial motor control (FOC for PMSM/BLDC drives), grid protection and smart energy metering, automotive body and infotainment subsystems, high-end audio processing (up to 192 kHz 24-bit codecs), industrial Ethernet nodes with EtherCAT or Profinet support, point-of-sale terminals, and medical diagnostic imaging front-ends. The wide peripheral mix also suits self-contained additive-manufacturing controllers and surveillance DVR systems. When designing with the ATSAME70Q21B-AN, ensure robust VDDCORE decoupling with 100 nF + 4.7 µF ceramic capacitors per the reference schematic design guide, since high-frequency CPU transitions demand low-impedance power delivery. Plan the PCB for the 20x20 mm LQFP footprint with multiple GND return paths and keep the high-speed USB traces 90 ohms differential-impedance matched. This page synthesizes distributor pricing, drop-in alternatives within the SAM E70 family, and reference-design-aware engineering notes not assembled in the manufacturer datasheet, offering engineers a faster path from spec review to prototype.

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ATSAME70Q21B-ANT - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70Q21B-ANT

ATSAME70Q21B-ANT - 300MHz Cortex-M7 MCU 2MB Flash | Microchip

The Microchip Technology ATSAME70Q21B-ANT is a 32-bit ARM Cortex-M7 microcontroller with FPU operating at up to 300 MHz, integrating 2 MB Flash and 384 KB SRAM in a 144-pin LQFP (20x20 mm) package. It belongs to the SAM E70 family, which combines high-performance DSP capability, a floating-point unit, and a rich connectivity peripheral set aimed at industrial and audio/graphics applications. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (SRAM), and peripheral interfaces (UART, SPI, timers, ADC, etc.) into one device. The Cortex-M7 sits at the top of the ARM Cortex-M family, with superscalar pipeline, tightly-coupled memory, and optional double-precision FPU, sitting between Cortex-M4 (mid-tier) and Cortex-A (application processors) in capability. The SAM E70 series targets high-performance embedded designs such as industrial control, audio processing, motor drives, and human-machine interface (HMI) systems. Key features of the ATSAME70Q21B-ANT include a 300 MHz Cortex-M7 core with single/double-precision FPU, 2 MB on-chip Flash, 384 KB SRAM, an external bus interface (EBI) for SDRAM/FPGA expansion, and a high-speed USB 2.0 High-Speed PHY with on-chip transceiver. Additional features include a 12-bit ADC, a 12-bit DAC, an embedded TFT LCD controller, hardware AES, and a Camera Interface. The device also integrates a 10/100 Ethernet MAC and CAN-FD support for industrial networking. Operating voltage range is 1.62 V to 3.6 V across multiple supply domains, with industrial temperature range of -40C to +85C. The SAM E70 architecture uses a 5-stage superscalar pipeline and includes 16 KB of instruction cache and 16 KB of data cache, which accelerate execution from external memory. The peripheral DMA (PDCA/XDMAC) and event system reduce CPU load, allowing efficient real-time control and audio streaming. The integrated High-Speed USB PHY eliminates external transceiver ICs, simplifying USB Host/Device designs. Typical applications include industrial motor control and factory automation, audio processing and effects units, HMI panels with TFT LCD, USB audio interfaces, automotive instrument clusters, IoT gateways with Ethernet, and medical instrumentation. The wide peripheral mix supports both signal conditioning and human-machine interfaces on a single chip. When designing with the ATSAME70Q21B-ANT, ensure VDDCORE is supplied from an internal LDO regulator mode or external switching regulator mode with sufficient bulk decoupling, and that the 25 MHz main crystal is matched to the USB PLL configuration. Use 4-layer PCB stack-up with a dedicated ground plane for best EMI and signal-integrity performance on the EBI and SDRAM signals. This page consolidates distributor pricing, drop-in same-package alternatives within the SAM E70 family, and design notes not found in a single manufacturer page, providing engineers a decision-ready view for selecting the ATSAME70Q21B-ANT in production designs.

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ATSAME70Q21B-CFN - ARM Cortex-M7 MCU 300MHz 2MB Flash 144-UFBGA | Microchip
ATSAME70Q21B-CFN

ATSAME70Q21B-CFN - ARM Cortex-M7 MCU 300MHz 2MB Flash 144-UFBGA | Microchip

The Microchip Technology ATSAME70Q21B-CFN is a high-performance 32-bit ARM Cortex-M7 microcontroller with single-precision and double-precision Floating Point Unit (FPU), running at up to 300 MHz core clock, integrating 2 MB of Flash and 384 KB of SRAM in a 144-pin UFBGA (6x6 mm) package. The SAM E70 family targets applications that demand deterministic real-time response combined with rich connectivity and a high-bandwidth peripheral set, including High-Speed USB with integrated PHY, dual CAN-FD, Ethernet MAC, and a 16-bit HSIF interface for external SRAM/FPGA expansion. A microcontroller (MCU) is a single-chip computer containing a processor core, program memory, working memory, and a range of on-chip peripherals. ARM Cortex-M7 is a high-end Cortex-M core featuring superscalar pipelining, tightly-coupled memories (TCM), branch prediction, and an optional FPU optimized for DSP-style algorithms; the SAM E70 specifically adds DSP extensions, MPU, and a deterministic cache architecture. Within the broader taxonomy, ATSAME70Q21B-CFN sits under Microcontrollers -> Integrated Circuits -> Semiconductors, serving as the central compute element in motor control, industrial automation, and audio/graphics subsystems. Key differentiating features include 2 MB dual-bank Flash allowing live firmware updates without downtime, 384 KB SRAM arranged as 256 KB system + 128 KB for tightly-coupled data access, an integrated 480 Mbps High-Speed USB PHY (Device/Host/OTG), an integrated 10/100 Ethernet MAC with 1588 precision time stamping, dual CAN-FD controllers, a 12-bit 2 Msps ADC with up to 24 channels, and hardware crypto accelerators for AES, TRNG, and SHA. The Cortex-M7 DSP extensions (single-precision MAC and SIMD) deliver sustained DSP throughput that is competitive with low-end DSP parts. Architecturally, the SAM E70 uses Microchip's Event System, parallel capture peripherals, and a 16-channel Peripheral DMA controller to keep I/O offload efficient. Voltage is supplied via a built-in LDO and on-chip buck-capable regulator chain, supporting 3.3 V single-supply operation with internal core regulation. The 300 MHz core, combined with 16 KB I-cache and 16 KB D-cache, makes the device effective for high-rate signal chains and HMI applications. Typical applications include industrial drives and motor control (Field-Oriented Control of PMSM/BLDC), automotive CAN-FD body controllers, building automation gateways, point-of-sale terminals, audio amplifiers and DSP front-ends, robotics controllers, and connected IoT edge nodes with Ethernet or USB. The part is well-suited to graphical HMI panels that pair the MCU with an external display via the 16-bit HSIF. When designing with the ATSAME70Q21B-CFN, pay attention to the UFBGA-144 6x6 mm land pattern and provide adequate via-in-pad thermal dissipation; the 300 MHz core draws significant dynamic current, so a 4-layer PCB with a continuous GND plane is recommended for signal integrity and EMI. Use Microchip's MPLAB Harmony 3 framework and the SAME70 Xplained Ultra board for rapid prototyping. This page synthesizes distributor pricing, same-family drop-in alternatives, and practical layout notes that go beyond the manufacturer datasheet, giving engineers a single decision-ready reference.

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ATSAME70Q21B-CFNT - ARM Cortex-M7 MCU, 300MHz, 2MB Flash, 144-UFBGA
ATSAME70Q21B-CFNT

ATSAME70Q21B-CFNT - ARM Cortex-M7 MCU, 300MHz, 2MB Flash, 144-UFBGA

The Microchip Technology ATSAME70Q21B-CFNT is a high-performance 32-bit ARM Cortex-M7 microcontroller with Floating Point Unit (FPU), operating at up to 300 MHz, and featuring 2 MB of Flash plus 384 KB of multi-port SRAM in a 144-pin UFBGA (6x6 mm) industrial-grade package. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory (Flash for program code and SRAM for data), and a rich set of on-chip peripherals (ADC, DAC, timers, communication controllers, GPIO). The ARM Cortex-M7 is the highest-performance member of the ARM Cortex-M family, featuring a 6-stage superscalar pipeline, branch prediction, single-precision and double-precision FPU, and tightly-coupled memory for deterministic real-time response. Within the embedded hierarchy, the Cortex-M7 sits above Cortex-M4/M33 and is positioned for high-end motor control, audio processing, machine vision, industrial networking, and edge inference workloads. Key features of the ATSAME70Q21B-CFNT include a maximum core clock of 300 MHz, up to 2 MB embedded Flash with cache, 384 KB of system SRAM configurable as Tightly Coupled Memory (TCM) or system RAM, a 16-bit external bus interface (EBI) supporting SDRAM, SRAM, and NAND Flash, and a 24-bit address bus. Integrated peripherals include high-speed USB with on-chip PHY, CAN-FD, IEEE 1588 Ethernet MAC, image sensor interface, 12-bit 2 MSPS ADC, 12-bit DAC, PWM channels, I2S, SPI, TWI, and USART interfaces. The device also integrates a Cryptography (TRNG, AES) accelerator block. Architecturally, the ATSAME70Q21B is built around the Cortex-M7 core coupled with a multi-port SRAM matrix, allowing simultaneous instruction fetch, data access, and peripheral DMA without contention. The 16-bit/24-bit External Bus Interface (EBI) supports SDRAM/LPSDRAM, SRAM, PSRAM, and NAND/NOR Flash, enabling expansion to large external memories. The 144-ball UFBGA package exposes 114 GPIO, multiple high-speed serial interfaces, and parallel camera/display buses. Typical applications include industrial motor drives (FOC for 3-phase PMSM/BLDC), high-end audio processing (multi-channel audio codecs and effects), automotive telematics and infotainment subsystems, building automation gateways, point-of-sale terminals, and industrial Ethernet nodes. The integrated Ethernet MAC and CAN-FD controller make the SAME70 particularly attractive for connected industrial equipment. When designing with this device, attention must be paid to the 6-layer PCB stackup recommended for the 144-UFBGA 0.8 mm pitch BGA, the placement of bulk and decoupling capacitors near the VDDCORE/VDDIO supply pins, and the boot-mode configuration via the BMS pin. External SDRAM routing length matching and a dedicated 24 MHz main crystal are required to achieve the full 300 MHz core clock. This page synthesizes distributor pricing from 9 distributors, drop-in alternatives within the SAME70/SAMS70/SAMV71 family, and practical PCB design notes not consolidated in any single datasheet table.

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ATSAME70Q21B-CN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70Q21B-CN

ATSAME70Q21B-CN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip

The Microchip Technology ATSAME70Q21B-CN is a high-performance 32-bit ARM Cortex-M7 microcontroller with Floating Point Unit (FPU) operating at up to 300 MHz, featuring 2 MB of Flash and 384 KB of multi-port SRAM, housed in a 144-pin LFBGA (10x10 mm) package. The device integrates a rich peripheral set including high-speed USB, CAN-FD, Ethernet MAC, and a 12-bit ADC supporting the demands of industrial, automotive, and IoT edge applications. According to Microchip product literature, the SAME70 family delivers deterministic real-time response combined with DSP-grade signal processing throughput. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, and a wide range of peripherals such as timers, ADCs, and communication interfaces. The Cortex-M7 core is ARM's highest-performance microcontroller core, supporting superscalar instruction execution, branch prediction, single-precision and double-precision floating-point arithmetic, and tightly-coupled memory (TCM) for deterministic interrupt response. The SAME70 extends this with up to 16 KB of ICache and DCache, accelerating Flash execution while the FPU and DSP extensions enable audio, motor-control, and complex math workloads. This positions the SAME70 family within the hierarchy: Cortex-M7 -> ARM Cortex-M -> 32-bit MCU -> microcontroller -> embedded processor -> semiconductor. Key features of the ATSAME70Q21B-CN include 300 MHz CPU clock with 600 DMIPS / 1284 CoreMark performance, 2 MB Flash with ECC, 384 KB SRAM configurable as system SRAM and TCM, full-speed and high-speed USB 2.0 with on-chip PHY, dual CAN-FD controllers, 10/100 Ethernet MAC with 1588 precision time protocol support, and a 12-bit 2 MSPS ADC with up to 24 channels. The 144-ball LFBGA (10x10 mm) package exposes the full peripheral set while keeping the footprint compact for space-constrained boards. Architecture-wise the SAME70 uses a multi-layer AHB/APB bus matrix giving simultaneous CPU, DMA, and Ethernet MAC access to memory without contention. The embedded Flash controller and dual SRAM banks (one optionally used as TCM) provide zero-wait-state code execution up to 150 MHz, with cache hits extending performance to the full 300 MHz rating. The integrated voltage regulator requires a single 3.3 V supply and generates the internal 1.2 V core voltage, simplifying board design. Typical applications include industrial automation controllers, motor drives and servo amplifiers, smart energy and solar inverters, automotive body and gateway modules, audio processing and high-end consumer products, and IoT edge gateways requiring TLS, MQTT, or on-device ML inference. The combination of Ethernet, USB, and CAN-FD makes the part particularly well suited to Industry 4.0 and connected-machine designs. Design consideration: the 144-ball LFBGA package requires a 4-layer or 6-layer PCB with matched impedance routing for high-speed USB and Ethernet, plus dedicated decoupling on every VDD/VSS pair. Decoupling should follow the SAM E70/V71 Hardware Checklist and Atmel-44002 reference schematic to maintain signal integrity. This page synthesizes distributor pricing, pin-compatible SAME70 drop-in alternatives, and practical PCB design guidance not consolidated in the standalone manufacturer datasheet.

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ATSAMG51N18A-AU - 48MHz ARM Cortex-M4 MCU 256KB Flash | Microchip
ATSAMG51N18A-AU

ATSAMG51N18A-AU - 48MHz ARM Cortex-M4 MCU 256KB Flash | Microchip

The Microchip ATSAMG51N18A-AU is a 32-bit ARM Cortex-M4 microcontroller with FPU from the SAM G51 family, operating at up to 48MHz with 256KB Flash and 64KB SRAM, housed in a 100-pin LQFP (14x14 mm) package. It combines low-power features with DSP and floating-point capability for embedded designs that demand efficient numeric processing in a cost-effective form factor. A microcontroller (MCU) is an integrated circuit that combines a CPU core, memory, and programmable peripherals on a single silicon die. The Cortex-M4 core belongs to ARM's Cortex-M family, which sits hierarchically under ARM Cortex processors -> 32-bit RISC processors -> embedded CPUs. SAM G51 devices use the Cortex-M4 with single-precision FPU and DSP extensions, enabling signal-processing workloads that simpler M0+ or M3 cores cannot efficiently execute. This hierarchy matters when selecting among thousands of MCUs: Cortex-M4 is the right choice when fixed-point or floating-point math throughput is required without moving to Cortex-M7 complexity. Key features of the ATSAMG51N18A-AU include 256KB embedded Flash, 64KB SRAM, an FPU and DSP instruction set, a high-speed 48MHz operation, multiple serial interfaces including I2C, SPI, UART and I2S, and configurable PWM timers. The device integrates a 12-bit ADC, 10-bit DAC, and on-chip voltage regulator, allowing single-supply operation from 1.62V to 3.6V. The LQFP-100 footprint provides generous I/O for parallel buses, multiple serial channels, and motor-control PWM outputs. The SAM G51 series was designed to minimize active-mode current and accelerate sleep-mode entry, reducing overall energy budget in duty-cycled applications. Its architecture supports zero-wait-state Flash execution at 48MHz and a low-power RTC domain that retains state during deep-sleep. Compared to legacy Cortex-M3 designs, the M4 with FPU executes filter and control algorithms in fewer cycles, which reduces both MIPS load and average power in DSP-driven workloads. Typical applications include consumer audio devices, IoT sensor hubs, industrial control panels, motor control, and low-cost graphical user interfaces. Engineers also deploy it in smart-metering, building automation, and wireless sensor node controllers where DSP assists modulation/demodulation. The wide LQFP-100 footprint supports evaluation on breadboards and hand-solderable prototypes, making it popular in education and small-batch products. When designing with this part, place decoupling capacitors (100nF plus 4.7uF bulk) within 5mm of each power pin, follow Microchip's SAM G51 hardware design checklist for crystal layout, and ensure the SWD pins (PA30, PA31) are accessible for in-system programming. Use Atmel Studio 7 or MPLAB X IDE with the device pack installed for firmware development.

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ATSAMG53G19A-UUT - SAM G53 Cortex-M4 MCU 512KB Flash | Microchip
ATSAMG53G19A-UUT

ATSAMG53G19A-UUT - SAM G53 Cortex-M4 MCU 512KB Flash | Microchip

The Microchip ATSAMG53G19A-UUT is a low-power ARM Cortex-M4 microcontroller with FPU, integrating 512 KB of Flash and 96 KB of SRAM in a compact 49-ball WLCSP package. Designed for industrial temperature ranges (-40C to +85C), the device targets energy-constrained connected sensor nodes, wearable electronics, and human-machine interface applications that benefit from a small board footprint. An ARM Cortex-M4 microcontroller is a 32-bit RISC processor core licensed by Arm Holdings that combines high-performance digital signal processing with a single-precision floating-point unit. Microcontrollers in this class sit within the broader taxonomy of embedded microcontrollers -> RISC microcontrollers -> ARM Cortex-M family -> Cortex-M4 subfamily, and are commonly selected for IoT endpoints, motor control, and low-power wireless designs. The Cortex-M4 architecture brings Thumb-2 instruction efficiency, hardware single-cycle MAC, and optional FPU, all of which reduce active-mode current and accelerate return-to-sleep transitions. Key features of the ATSAMG53G19A-UUT include a 48 MHz maximum CPU clock, full Cortex-M4 DSP instruction set with single-precision FPU, a 12-bit ADC, multiple SERCOM interfaces configurable as USART/UART/SPI/I2C, and a high-speed USB 2.0 Full-Speed device port. The device integrates Microchip's proprietary SleepWalking peripherals that wake the CPU only on relevant events, enabling deep-sleep current in the single-digit microamp range for battery-powered designs. Technically, the SAM G53 series implements a tightly-coupled SRAM subsystem with zero-wait-state access at full CPU speed, and an efficient Flash controller supporting offline programming. The integrated voltage regulator allows single-supply operation from 1.62V to 3.6V, simplifying power-tree design and supporting direct Li-ion or 2x AA battery sources. Typical applications include Bluetooth Low Energy sensor hubs (paired via SPI to a companion radio), low-power wearables with always-on sensors, USB human-interface devices such as mice and keyboards, and industrial control boards requiring DSP-class math at modest cost. The 49-ball WLCSP package makes it ideal where PCB area is at a premium. When designing with this MCU, allocate sufficient decoupling (one 100 nF X7R per VDD pin group plus a bulk 4.7 uF) and follow Microchip's WLCSP routing guidelines to keep the high-speed USB 90-ohm differential pair matched. Erase and program Flash via SWD or the pre-programmed bootloader to avoid expensive parallel programming fixtures. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, helping engineers and procurement teams evaluate the ATSAMG53G19A-UUT for low-power, footprint-sensitive designs as of 2026-09-22.

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ATSAMG53G19B-UUT - 48MHz Cortex-M4 MCU 512KB Flash | Microchip
ATSAMG53G19B-UUT

ATSAMG53G19B-UUT - 48MHz Cortex-M4 MCU 512KB Flash | Microchip

The Microchip Technology (formerly Atmel) ATSAMG53G19B-UUT is a 32-bit ARM Cortex-M4 RISC microcontroller running up to 48 MHz, integrating 512 KB of Flash and 96 KB of SRAM in a compact 49-ball WLCSP (2.84 x 2.84 mm) package with industrial temperature rating. This SMART SAM G53 series device targets space-constrained, performance-oriented embedded designs that need DSP-style arithmetic and a rich peripheral mix on a single die. A 32-bit microcontroller (MCU) is a single-chip processor that integrates a CPU core, program memory (Flash), working memory (SRAM), and a programmable set of peripherals (timers, communication interfaces, ADC, I/O) into one package. In the wider semiconductor taxonomy, MCUs sit between 8/16-bit microcontrollers and full microprocessors (MPUs); the ARM Cortex-M4 sub-family specifically adds a single-precision FPU and DSP extensions (MAC, saturating arithmetic), placing it above Cortex-M0/M0+ and below Cortex-M7 in compute density. The SAM G53 family was introduced by Atmel (now Microchip) as a low-power, mixed-signal Cortex-M4 line aimed at human-machine interface (HMI), audio, motor drive, and IoT edge nodes. Key features of the ATSAMG53G19B-UUT include: 512 KB embedded Flash, 96 KB SRAM, Cortex-M4 core with FPU and DSP instructions, Fmax = 48 MHz, one USART plus two UARTs, three I2C (TWI) interfaces, two SPI peripherals (one of which is configurable as an I2S for audio), a 12-bit ADC, a 12-bit DAC, PWM timers, and a full-speed USB 2.0 device/host with on-chip PHY. The 49-ball WLCSP gives the lowest profile in the family, enabling ultra-thin wearables, hearables, and sensor modules. The on-chip FPU and DSP extensions accelerate audio codecs, sensor fusion, and small closed-loop control loops without offloading to a companion DSP. The integrated USB 2.0 Full-Speed PHY removes the need for an external transceiver, and the dual I2S-capable SPIs allow direct connection to digital MEMS microphones and audio DACs. Compared with the larger LQFP/QFN SAM G53 variants, the WLCSP version sacrifices some pin access for footprint, so engineers must route high-speed signals on inner PCB layers. Typical applications include wearable fitness bands, Bluetooth/wireless audio headsets (paired with an external radio SoC), USB HID peripherals such as keyboards and game controllers, low-cost HMI panels with capacitive touch, sensor hubs for IoT, and battery-powered industrial data loggers. The 96 KB SRAM is comfortable for small RTOS use (FreeRTOS, Micrium) and DSP buffers. When designing with this part, note that the 49-ball WLCSP requires PCB-level assembly expertise (NSMD pads, micro-via-in-pad recommended) and that the 48 MHz ceiling limits some heavy DSP workloads; for higher throughput, consider the SAM E70 or SAM S70 Cortex-M4F families. Always validate the full peripheral pinout against your specific WLCSP ball map before committing to layout, because the BGA-style package is not breadboard-friendly. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single reference for selection, sourcing, and layout planning of the ATSAMG53G19B-UUT.

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