Microcontroladores

Produtos (18747)

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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ATSAMG53N19A-AU - ARM Cortex-M4 48MHz MCU | Microchip
ATSAMG53N19A-AU

ATSAMG53N19A-AU - ARM Cortex-M4 48MHz MCU | Microchip

The Microchip Technology ATSAMG53N19A-AU is an ARM Cortex-M4 microcontroller with floating-point unit (FPU), operating at up to 48 MHz core clock, integrating 512 KB of Flash and 96 KB of SRAM, and housed in a 100-pin LQFP (14x14 mm) industrial-temperature package. The device is a member of the SAM G53 family of low-power Cortex-M4 microcontrollers aimed at embedded applications requiring deterministic real-time performance and efficient DSP handling. A microcontroller (MCU) is a system-on-chip that integrates a CPU core, program memory (typically Flash), data memory (SRAM), and a rich set of peripherals into a single package. The ARM Cortex-M4 architecture adds a single-precision IEEE-754 floating-point unit and DSP extensions to the Cortex-M3 baseline, while maintaining deterministic interrupt latency (typically 12 cycles) and Thumb-2 instruction-set efficiency. Within the broader product taxonomy, the ATSAMG53N19A-AU belongs to the 32-bit MCU category, which itself is a subfamily of microcontrollers and a major branch of embedded processors alongside 8-bit MCUs (PIC, AVR) and DSPs. Key features of this part include the 48 MHz Cortex-M4 core, hardware FPU, 512 KB on-chip Flash, 96 KB SRAM, an integrated 12-bit ADC, multiple USART/UART/SPI/TWI peripherals, USB 2.0 Full-Speed device with on-chip transceiver, up to 38 GPIO lines, and a 1.5 to 3.6 V supply range. An on-chip ultra-low-power RTC, multiple sleep modes, and a 32.768 kHz crystal oscillator enable battery-friendly designs. The 100-LQFP package provides ample I/O for industrial control panels and human-machine interface (HMI) front-ends. Technically, the SAM G53 architecture pairs the Cortex-M4 core with a multi-layer AHB/APB bus matrix, a separate peripheral DMA controller (PDC), and a hardware cryptographic module on certain siblings. The 12-bit ADC achieves up to 1 MSPS sampling in single-ended mode, while the USB 2.0 Full-Speed peripheral and CAN controller provide connectivity options for industrial fieldbus and PC peripherals. The combination of low dynamic power consumption (under 1 mA/MHz at 1.8 V) and rapid wake-up from RTC alarm makes the part attractive for energy-constrained installations. Typical applications include industrial control panels, building automation (HVAC, lighting), USB peripherals such as data loggers, motor control boards (BLDC, stepper), wireless sensor node baseboards, point-of-sale (POS) terminals, and consumer HMI touch-front panels. The industrial -40 to +85 C operating range suits factory-floor and outdoor enclosures. When designing with this device, allocate the 48 MHz system clock carefully because the USB Full-Speed peripheral requires a 48 MHz ±0.25% reference, typically sourced from the 12 MHz main oscillator plus PLL. Power-supply decoupling must include at least a 1 uF bulk capacitor plus a 100 nF high-frequency bypass near each VDD/VDDIO pin pair, and the NRST line should include the recommended 100 nF capacitor to allow clean in-circuit resets. Plan Flash and SRAM budgets early because the 512 KB / 96 KB split is fixed and does not support external memory expansion on this LQFP-100 variant.

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ATSAMG53N19B-AU - 512KB Flash Cortex-M4 MCU 48MHz | Microchip
ATSAMG53N19B-AU

ATSAMG53N19B-AU - 512KB Flash Cortex-M4 MCU 48MHz | Microchip

The Microchip ATSAMG53N19B-AU is a 32-bit ARM Cortex-M4 microcontroller with FPU from the SAM G53 family, featuring 512KB of Flash and 96KB of SRAM, clocked at up to 48MHz in a 100-pin LQFP (14x14 mm) industrial-temperature package. Operating from 1.62V to 3.6V, it integrates a Floating Point Unit, a 12-bit ADC, and the standard SAM G53 peripheral mix including USB FS, CAN, and multiple SERCOM/UART/SPI/I2C interfaces. An ARM Cortex-M4 microcontroller is a 32-bit RISC processor core designed by ARM for embedded applications, combining deterministic interrupt response with DSP extensions and an optional single-precision Floating Point Unit. In the broader product taxonomy, it sits below application processors and above 8/16-bit MCUs, occupying the mainstream performance tier for industrial IoT, motor control, and human-machine interface (HMI) designs. The Cortex-M4 core executes the Thumb-2 instruction set, allowing dense code with predictable cycle counts. Key features of the ATSAMG53N19B-AU include 512KB of in-system programmable Flash for application code, 96KB of SRAM for data and stack, 16KB of additional SRAM for backup retention, and an internal 12 MHz RC oscillator that can be re-calibrated against an external crystal for USB/SERCOM timing accuracy. The device exposes up to 38 GPIO pins organized across multiple peripheral I/O groups, plus a 12-bit 1 Msps ADC, four 16-bit timer/counters, two I2S/TDM interfaces, and a USB 2.0 Full-Speed device/host controller with on-chip transceiver. Architecturally, the SAM G53 uses a single AHB-Lite bus matrix connecting the Cortex-M4 core to Flash, SRAM, and peripherals through distinct bridges, with a DMA controller (channels for peripheral-to-memory, memory-to-memory, and peripheral-to-peripheral moves) reducing CPU load during data streaming. The integrated FPU accelerates single-precision signal-processing tasks such as audio decimation, sensor fusion, and PID loops in motor control, allowing software implementations that previously required a DSP. Typical applications include industrial control and sensor hubs, USB peripherals (HID, CDC, audio class), CAN-based building automation nodes, low-cost graphical HMI panels, and consumer audio devices. The 48MHz core and FPU also suit simple digital signal processing such as audio rate conversion, low-bandwidth motion estimation, and audio codec front-ends where deterministic latency matters. When designing with this part, plan for a 1.62V-3.6V supply rail with a 100nF + 4.7uF decoupling network placed close to the LQFP pins; the LQFP-100 pad layout allows easy 2-layer or 4-layer PCB implementation. Use the on-chip FPU for floating-point DSP but verify that the compiler emits hardware FPU instructions to gain the expected speedup over a Cortex-M3 equivalent. This page synthesizes distributor pricing, parametric drop-in alternatives sourced from the Microchip SAM G53 family, and practical design notes beyond a raw datasheet reprint.

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ATSAMG54N19B-AU - 512KB Flash ARM Cortex-M4 MCU | Microchip
ATSAMG54N19B-AU

ATSAMG54N19B-AU - 512KB Flash ARM Cortex-M4 MCU | Microchip

The Microchip Technology ATSAMG54N19B-AU is a 32-bit ARM Cortex-M4 microcontroller in the SAM G54 family, featuring 512KB of Flash and 96MHz CPU clock speed in a 100-pin LQFP (14x14 mm) package. It is purpose-built for low-power connected and audio applications, integrating a Floating Point Unit (FPU), a Cryptographic engine (AES, TDES), and an audio PLL that supports professional audio clock rates. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, peripherals, and I/O on one die. The ARM Cortex-M4 is a 32-bit RISC core with DSP extensions and an optional single-precision FPU. The ATSAMG54 sits in Microchip's SAM family between the Cortex-M0+ based SAM D series and the higher-end Cortex-M7 SAM E/S/V series, targeting ultra-low-power DSP and audio processing in always-listening devices. Key features include 96KB SRAM, a 12-bit 1MSPS ADC with up to 17 channels, two I2S interfaces, one HS USB 2.0 device port, up to six SERCOM (UART/SPI/I2C), and an extensive power-saving architecture with SleepWalking peripherals. The 100-pin LQFP (14x14 mm) variant exposes the maximum peripheral count of the SAM G54 family, making it the high-pin-count member suited to gateway and bridge designs. Architecturally, the device uses a Cortex-M4 core with a 3-stage pipeline, Thumb-2 instruction set, and embedded Trace Macrocell (ETM) for instruction trace. The SAM G54 supports four low-power modes (Wait, Sleep, Backup, Active) and consumes as little as 3 microamps in Backup mode with RTC running, enabling coin-cell or battery-powered deployments. Typical applications include audio front-end processing (beamforming, noise suppression, echo cancellation), USB audio peripherals, smart home sensor hubs, industrial HMI, and battery-powered IoT gateways. The integrated audio PLL eliminates an external audio clock IC in DAC/ADC designs, reducing BOM cost. When designing with this device, allocate the 100-pin LQFP layout to allow exposed-pad soldering of the thermal pad to the ground plane for improved power dissipation. Ensure decoupling with 100nF and 4.7uF bulk capacitors near VDDIN pins per the SAM G54 hardware design checklist. This page synthesizes distributor pricing, drop-in alternatives drawn from the SAM G54 family, and practical design notes not found in the manufacturer datasheet.

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ATSAMG55J19A-AU - 120MHz Cortex-M4 MCU 512KB Flash | Microchip
ATSAMG55J19A-AU

ATSAMG55J19A-AU - 120MHz Cortex-M4 MCU 512KB Flash | Microchip

The Microchip ATSAMG55J19A-AU is an ARM Cortex-M4 microcontroller with FPU in the SAM G55 family, integrating 512KB of Flash and 160KB of SRAM, running at up to 120MHz core clock, and housed in a 64-pin LQFP (10x10mm) package. It is engineered for audio and human-machine-interface (HMI) applications that require DSP-class signal processing at low active power, with on-chip peripherals including I2S, USB 2.0 Full-Speed, multiple USART/UART/SPI/TWI, a 12-bit ADC, and a 32-bit timer/counter block. According to the verified Microchip product page, new designs should consider Revision B ATSAMG55J19B; the ATSAMG55J19A-AU itself remains active and shipping, with Microchip noting it is the legacy revision. An ARM Cortex-M4 microcontroller is a 32-bit RISC processor core with an integrated single-precision floating-point unit (FPU), DSP extensions, and a nested vectored interrupt controller. It belongs to the hierarchy: Cortex-M4 -> ARM Cortex-M family -> 32-bit microcontroller (MCU) -> embedded processor -> semiconductor IC. The SAM G55 family specifically targets low-power audio and HMI applications through picoPower technology, integrating a high-performance DSP engine with energy-efficient peripherals suitable for always-on battery-powered devices. Key features include 512KB embedded Flash for program storage, 160KB SRAM (including 16KB backup SRAM with retention in deep sleep), I2S digital audio interface with sample-rate converter, USB 2.0 Full-Speed device/host, an external bus interface for memory expansion, and an integrated FPU that accelerates floating-point math. The device operates from 1.62V to 3.6V supply, supports -40C to +85C industrial temperature range, and includes multiple low-power modes including deep sleep at less than 7 uA with SRAM retention, waking within 3 us to active execution. Architecturally, the SAM G55 uses a single-cycle multiplier, hardware divide, and DSP extensions to deliver 1.25 DMIPS/MHz and 1.61 CoreMark/MHz throughput at 120MHz. The Cortex-M4 core is paired with a multi-layer bus matrix and tightly-coupled SRAM, eliminating wait states for most code execution. The audio-grade peripherals include a dedicated I2S controller with PDM and TDM support, enabling direct interfacing with digital MEMS microphones and audio DACs without external glue logic. Typical applications include Bluetooth/wired audio headsets, industrial HMI panels with touch and display, USB audio devices, smart-home voice front-ends, and portable instrumentation. The combination of FPU-accelerated DSP, low-power audio peripherals, and high-density memory makes it particularly well-suited for audio processing, sensor fusion, and battery-powered edge-compute tasks. Designers should note that Revision A (this part) is functionally complete but Microchip has transitioned new designs to Revision B ATSAMG55J19B, which provides silicon-level errata fixes; pin-for-pin compatibility between A and B revisions is preserved, so existing PCB layouts do not need to be changed when migrating. Verify long-term availability with your distributor before committing to Revision A in new designs. This page synthesizes distributor pricing, drop-in cross-reference data, and practical design notes that go beyond the manufacturer datasheet to help engineers select, source, and design with the ATSAMG55J19A-AU efficiently.

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ATSAMG55J19A-MU - Cortex-M4 MCU 120MHz 512KB Flash 64-QFN | Microchip
ATSAMG55J19A-MU

ATSAMG55J19A-MU - Cortex-M4 MCU 120MHz 512KB Flash 64-QFN | Microchip

The Microchip Technology ATSAMG55J19A-MU is a 32-bit ARM Cortex-M4 microcontroller with FPU in the SAM G55 family, operating at up to 120 MHz with 512 KB of Flash and up to 176 KB of SRAM, packaged in a 64-pin QFN (7.5x7.5 mm). A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory (Flash and SRAM), and programmable peripherals. Within the broader hierarchy, the SAM G55 belongs to ARM Cortex-M4 microcontrollers -> 32-bit MCUs -> embedded microcontrollers -> integrated circuits. The Cortex-M4 with single-precision FPU enables efficient DSP and floating-point math for audio, motor control, and signal-processing tasks. Key features include up to 120 MHz CPU clock, 512 KB Flash, up to 176 KB SRAM, full-speed USB 2.0 with on-chip PHY, I2S audio interface for digital audio streaming, and picoPower technology delivering down to 100 uA/MHz active and below 7 uA in deep sleep with SRAM retention. Wake-up from deep sleep to first instruction is as fast as 3 us. The integrated FPU accelerates audio codecs and DSP workloads without external math processors. The SAM G55 architecture combines an MPU (Memory Protection Unit), hardware AES, and a flexible peripheral set including HS USB, USB on-the-go, up to two I2S/TDM interfaces, multiple UART/SPI/TWI, and a 12-bit ADC. Compared to Cortex-M0/M3 parts, the Cortex-M4 with FPU executes single-precision math in a single cycle, dramatically reducing CPU load for audio and motor-control algorithms. Typical applications include USB audio headsets and USB headphones, Bluetooth audio bridges, IoT edge nodes with USB connectivity, industrial sensor hubs, and low-power consumer audio products. The combination of USB 2.0 FS, I2S, and Cortex-M4 DSP makes it well suited to audio streaming tasks. Designers should pay attention to decoupling: place 100 nF + 4.7 uF ceramic capacitors near each VDD pin and keep the QFN exposed pad soldered to a continuous ground plane for thermal dissipation and signal integrity. This page synthesizes distributor pricing, drop-in alternatives drawn from the same SAM G55 family, and practical design notes not found in the manufacturer datasheet alone.

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ATSAMG55J19A-MUT - 120MHz Cortex-M4 MCU 512KB Flash | Microchip
ATSAMG55J19A-MUT

ATSAMG55J19A-MUT - 120MHz Cortex-M4 MCU 512KB Flash | Microchip

The Microchip ATSAMG55J19A-MUT is a 32-bit ARM Cortex-M4 microcontroller with FPU running at up to 120MHz, integrating 512KB of Flash and 176KB SRAM in a 64-pin QFN (7.5x7.5mm) package. It is part of the SAM G55 audio-oriented family designed for high-performance DSP and floating-point audio processing tasks in industrial temperature ranges. An ARM Cortex-M4 microcontroller is a 32-bit RISC processor core with Thumb-2 instruction set, integrated single-precision IEEE 754 floating-point unit (FPU), and DSP extensions (single-cycle MAC, saturating arithmetic). It belongs to the Cortex-M family of embedded microcontrollers within the broader category of microcontrollers and microprocessors. The Cortex-M4 sits between the Cortex-M3 (no FPU) and Cortex-M7 (higher performance) in ARM's embedded hierarchy. Key features include 120MHz core clock with single-cycle MAC, hardware FPU for floating-point audio codecs, integrated Class-D amplifier interface support, I2S/TDM digital audio interfaces, and a full-speed USB 2.0 High-Speed PHY. The device supports 1.62V to 3.6V operating voltage and operates across the -40C to +85C industrial temperature range. It includes multiple communication peripherals: up to 7 UART/USART, 3 I2C, 6 SPI, and a high-speed USB port. The SAM G55 architecture integrates an audio-specific PLL (AUD PLL) for jitter-free I2S clocking, dual 12-bit 1Msps ADC modules with up to 16 channels, and hardware cryptographic accelerators. The 512KB Flash supports in-application programming, while the 176KB SRAM accommodates large audio buffers (WAV/MP3 decoding) without external memory. The 64-QFN package provides excellent thermal performance for the 120MHz operating envelope. Typical applications include smart speakers and voice assistants, professional audio equipment, headphone amplifiers with DSP, automotive infotainment audio, and industrial control with audio feedback. The integrated FPU enables real-time audio effect processing including EQ, dynamics, and noise suppression without CPU overload. When designing with this part, allocate the AUD PLL for low-jitter I2S clocking and ensure proper decoupling on VDDCORE pins. For new designs, Microchip recommends the Revision B variant (ATSAMG55J19B) which offers improved errata corrections. The Cortex-M4 DSP extensions (SIMD, MAC) significantly accelerate audio filter operations versus software-only Cortex-M3 designs.

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ATSAMG55J19B-AUT - ARM Cortex-M4 MCU 120MHz 512KB LQFP-64
ATSAMG55J19B-AUT

ATSAMG55J19B-AUT - ARM Cortex-M4 MCU 120MHz 512KB LQFP-64

The Microchip Technology ATSAMG55J19B-AUT is a 32-bit ARM Cortex-M4 microcontroller with a single-precision floating-point unit (FPU) from the SAM G55 series, operating at up to 120 MHz with 512 KB of embedded Flash and 176 KB of SRAM, housed in a 64-pin LQFP (10x10 mm) package and rated for the industrial temperature range (-40C to +85C). The "-AUT" suffix denotes Tape-and-Reel packaging for high-volume assembly lines, while the "-B" silicon revision delivers enhanced peripheral performance versus the legacy "-A" revision. A 32-bit microcontroller (MCU) is a system-on-chip that integrates a CPU core, program memory, data memory, and a rich peripheral set into a single IC. The ARM Cortex-M4 architecture belongs to the Cortex-M family of low-power, deterministic processor cores designed for embedded and real-time applications; when augmented with an FPU it can execute single-precision floating-point instructions natively, which accelerates digital signal processing (DSP) and audio algorithm tasks without burdening the CPU with software emulation. Within Microchip's product hierarchy this part sits inside the SAM family -> Cortex-M4 class -> performance-oriented sub-family with FPU, supporting the broader Atmel/Microchip ecosystem including the SAM4S, SAM D5x/E5x, and SAME70 lines. Key features include a Cortex-M4 core with FPU, 120 MHz maximum clock speed, 512 KB Flash, 176 KB SRAM, 16-bit PWM timers, an I2S digital audio interface, a full-speed USB 2.0 device/host with on-chip PHY, a 12-bit ADC, and flexible serial peripherals (USART, SPI, TWI/I2C). Power-saving features include Sleep, Wait, and Backup modes plus a low-power RTC. These attributes make the SAM G55 a strong fit for connected audio, sensor hubs, and industrial control applications. The SAM G55 silicon uses a Cortex-M4 with Thumb-2 instruction set, hardware single-cycle multiply-accumulate, and a tightly-coupled SRAM block for deterministic interrupt latency. The 120 MHz clock supports 1.25 DMIPS/MHz (1.50 DMIPS/MHz with the optional FPU DSP extensions) per the Dhrystone benchmark, and the wide peripheral DMA architecture enables high-throughput data movement between I2S, USB, ADC, and SRAM without CPU intervention. Typical applications include USB audio headsets, smart speakers, voice-controlled appliances, industrial sensor hubs, HMI controllers, and wireless audio base stations. The wide operating temperature range and tape-and-reel packaging further support deployment in mass-produced industrial and consumer audio products. When designing with the ATSAMG55J19B-AUT, plan the PCB layout for proper USB impedance control (90 ohm differential), keep the VDDCORE decoupling within 5 mm of the LQFP-64 pin, and use the on-chip FPU instead of software floating-point libraries to maximize throughput for DSP workloads. This page synthesizes distributor pricing, drop-in alternatives from the SAM G55 series and cross-brand Cortex-M4 candidates, plus practical design notes that go beyond the manufacturer datasheet summary to help engineers select and qualify this MCU.

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