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ATSAME70J19B-ANT - 300MHz Cortex-M7 MCU 512KB Flash LQFP-64
ATSAME70J19B-ANT

ATSAME70J19B-ANT - 300MHz Cortex-M7 MCU 512KB Flash LQFP-64

The Microchip Technology ATSAME70J19B-ANT is a high-performance 32-bit ARM Cortex-M7 microcontroller with Floating Point Unit (FPU), delivering up to 300 MHz core speed, 512 KB of Flash, and up to 256 KB of multi-port SRAM in a 64-pin LQFP (10x10 mm) package. It belongs to the SAM E70/S70/V70/V71 family and is tailored for industrial control, IoT gateways, and connected automotive body/comfort applications requiring deterministic real-time response. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, and a rich set of on-chip peripherals (ADC, timers, communication interfaces). The Cortex-M7 core specifically adds a double-precision FPU, DSP extensions, and an instruction/data cache, placing it at the top of the Cortex-M performance hierarchy (Cortex-M7 > Cortex-M4 > Cortex-M3 > Cortex-M0+). Within Microchip's portfolio, the SAM E70 sits in the high-performance MCU tier, between the lower-cost SAMD5x Cortex-M4 family and the Cortex-M7-based SAME70/SAMS70/SAMV71 series. Key features include IEEE 754 single/double-precision floating-point arithmetic, 16 KB instruction cache plus 16 KB data cache, Tightly Coupled Memory (TCM) interfaces, embedded Trace Macrocell (ETM) for instruction trace, and a 1 MSPS 12-bit ADC. Peripherals span Ethernet MAC, CAN-FD, USB 2.0 High-Speed with on-chip PHY, three CAN-FD controllers, multiple USART/UART/SPI/TWI interfaces, an external bus interface (EBI) for SRAM/SDRAM expansion, and a camera interface. An integrated cryptographic accelerator and True Random Number Generator (TRNG) support secure boot and TLS applications. The SAM E70 architecture uses a 6-layer AHB/AXI bus matrix to keep CPU, DMA, Ethernet, and display streams concurrent without bus starvation. The 300 MHz Cortex-M7 delivers 1500 CoreMark / 600 DMIPS, roughly 2x the performance of a Cortex-M4 at the same frequency. Hardware DSP and SIMD instructions accelerate audio codecs and motor-control loops, while the FPU removes the need for software floating-point emulation in PLC and instrumentation code. Typical applications include industrial Ethernet slaves (EtherCAT, PROFINET, EtherNet/IP), building-automation controllers, audio processing and USB audio interfaces, automotive body and infotainment modules, IoT gateways with TLS offload, motor-control FOC inverters, and graphical HMI with TFT LCD. The wide 1.62V-3.6V I/O supply with internal LDO simplifies mixed-voltage designs. When designing with this device, allocate a 4-layer PCB with the EBI bus carefully length-matched if SDRAM is used, and ensure the 12 MHz crystal load capacitance matches the crystal datasheet (typically 12-20 pF). Use the ASF4 / MPLAB Harmony 3 framework for peripheral drivers; bare-metal register-level coding is feasible but reduces portability across the SAM E70/S70/V70/V71 family. The crypto accelerator requires a firmware library; verify license terms if distributing binary firmware. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone Microchip datasheet, giving engineers a single reference for sourcing and second-source planning.

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ATSAME70J20A-ANT - 300MHz Cortex-M7 MCU 1MB Flash 64-LQFP
ATSAME70J20A-ANT

ATSAME70J20A-ANT - 300MHz Cortex-M7 MCU 1MB Flash 64-LQFP

The Microchip Technology ATSAME70J20A-ANT is a high-performance ARM Cortex-M7 based 32-bit microcontroller from the SAM E70 family, delivering up to 300 MHz CPU clock, 1 MB of Flash, and 384 KB of SRAM in a 64-pin LQFP (10x10 mm) surface-mount package supplied on Tape & Reel. The device targets industrial, automotive, and IoT edge applications that demand real-time DSP, floating-point math, and rich connectivity, including Ethernet MAC, USB 2.0 High-Speed, CAN-FD, and multiple USART/SPI/I2C interfaces. What is a Cortex-M7 microcontroller? The ARM Cortex-M7 is a high-end 32-bit microcontroller core featuring a 6-stage superscalar pipeline with branch prediction, single-precision and double-precision floating-point unit (FPU), and tightly-coupled memory (TCM) for deterministic latency. The SAM E70 series extends the Cortex-M7 with Microchip's proprietary peripheral set, on-chip high-speed USB 2.0 PHY, 12-bit ADC up to 2 Msps, and an integrated 10/100 Ethernet MAC with IEEE 1588 PTP hardware support. This hierarchy places the part above Cortex-M4 controllers and below Cortex-A application processors in performance and integration. Key specifications include 300 MHz core with 600 DMIPS and 1284 CoreMark performance, 1 MB Flash with ECC, 384 KB SRAM, an external bus interface for SDRAM, and a high-speed USB 2.0 PHY supporting Device, Host, and OTG modes. The 12-bit ADC provides up to 24 channels and 2 Msps conversion rate, while the HSMCI interface supports SD/SDHC cards. The integrated EMAC with 1588 PTP makes the device especially attractive for industrial Ethernet and motor-control protocols. The architecture couples the Cortex-M7 core to an AHB/APB matrix with multi-layer bus arbitration, allowing simultaneous DMA-driven Ethernet, USB, and HSMCI transfers without CPU intervention. Hardware cryptography (AES, TRNG) and a Secure Bootloader enable tamper-resistant firmware. The on-chip FPU and DSP extensions accelerate audio codecs, motor-control loops, and sensor fusion at very low power. Typical applications include industrial Ethernet gateways, PLC and motor-control servo drives, automotive infotainment and ADAS sensor hubs, medical patient monitors, and connected IoT edge nodes. The combination of LQFP-64 footprint and broad peripheral set also makes it a drop-in upgrade for designs previously built around Cortex-M4 devices. When designing with this part, allocate the 64-LQFP ground pins properly to maintain signal integrity on the high-speed USB and Ethernet pairs. The 1.2V internal core regulator requires an external 1uF decoupling capacitor; placing it within 3 mm of the VCORE pin reduces startup jitter and improves EMC performance. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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ATSAME70J20B-AN - 300MHz Cortex-M7 MCU, 1MB Flash | Microchip
ATSAME70J20B-AN

ATSAME70J20B-AN - 300MHz Cortex-M7 MCU, 1MB Flash | Microchip

The Microchip Technology ATSAME70J20B-AN is a 32-bit ARM Cortex-M7 microcontroller running at up to 300 MHz with 1 MB of embedded Flash and 384 KB of SRAM, housed in a 64-lead LQFP (10x10 mm) package. It integrates a floating-point unit (FPU), a 16 KB instruction cache and 16 KB data cache, and delivers 1500 DMIPS / 645 CoreMark-class performance for high-throughput embedded control. A microcontroller (MCU) is a self-contained computer on a single chip that combines a processor core, non-volatile program memory, volatile data memory, and a set of peripherals such as timers, serial interfaces, and analog converters. MCUs sit at the heart of embedded systems, forming the boundary between the physical world (sensors, actuators, motors) and digital processing. Within the product hierarchy, the ATSAME70J20B-AN is a 32-bit ARM Cortex-M7 MCU in the SAM E70 family, which belongs to the broader class of 32-bit microcontrollers and, above that, to embedded processors and semiconductors. Key features include 1 MB Flash with 384 KB SRAM, a 12-bit ADC with up to 24 channels, dual CAN-FD controllers, USB 2.0 High-Speed with on-chip transceiver, 10/100 Ethernet MAC, and a wide 1.7 V to 3.6 V supply range. The Cortex-M7 core with double-precision FPU and DSP extensions enables single-cycle MAC operations, making the device suitable for motor control, audio processing, and real-time signal conditioning. The SAM E70 architecture uses a multi-layer AHB bus matrix with 24 DMA channels, allowing peripherals to move data without CPU intervention. The embedded Flash accelerator and dual 16 KB caches reduce wait states at 300 MHz, sustaining near-zero-wait-state execution for deterministic control loops. Typical applications include industrial motor drives, building automation gateways, IoT edge nodes with Ethernet/CAN connectivity, audio equipment, and test-and-measurement instruments. The 64-LQFP package with 114 GPIO pins provides ample I/O for multi-peripheral designs. When designing with this device, ensure the VDDCORE and VDDPLL rails are decoupled with low-ESR ceramic capacitors and that the 12 MHz main crystal is placed close to the XIN/XOUT pins to minimize jitter. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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ATSAME70J20B-ANT - 300MHz Cortex-M7 MCU 1MB Flash | Microchip
ATSAME70J20B-ANT

ATSAME70J20B-ANT - 300MHz Cortex-M7 MCU 1MB Flash | Microchip

The Microchip Technology ATSAME70J20B-ANT 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 multi-port SRAM, packaged in a 64-pin LQFP (10x10 mm). According to distributor data, the device integrates a 16-bit AFE-EMAC, HS USB, CAN-FD, and a TFT LCD controller, making it one of the most feature-dense Cortex-M7 parts in Microchip's SAM E70 lineup. An ARM Cortex-M7 microcontroller is a 32-bit embedded processor core from the Cortex-M family that targets high-performance deterministic real-time applications such as motor control, industrial automation, and audio processing. The Cortex-M7 supersedes Cortex-M4 by adding a double-precision FPU, instruction/data caches, and a 6-stage superscalar pipeline, placing it in the hierarchy: Cortex-M7 -> Cortex-M -> ARMv7-M architecture -> 32-bit MCU -> embedded microcontroller. The 'E' in SAM E70 indicates the 'Enhanced' family aimed at connectivity and graphics. Key features of the ATSAME70J20B-ANT include a single-precision/double-precision hardware FPU, 16 KB instruction cache plus 16 KB data cache, tightly-coupled memory for zero-wait-state execution, and a multi-port SRAM architecture (MRAM) that allows simultaneous CPU and DMA access. The device operates from 1.62V to 3.6V core supply and supports industrial temperature grades up to +105 C. Communication peripherals include HS USB with on-chip PHY, dual CAN-FD, three FLEXCOMs (USART/SPI/TWI), three CAN-FD channels per the family datasheet, and an Ethernet MAC with 1588 PTP support. The architecture combines deterministic interrupt response with DSP extensions (SIMD MAC instructions), enabling audio codec processing, predictive motor control algorithms, and high-bandwidth sensor fusion directly on-chip. The dual-bank Flash with read-while-write (RWW) capability supports in-field firmware upgrades without halting the application. This part is best suited to designs requiring high CPU throughput (1500+ CoreMark) combined with rich connectivity in a single IC. Typical applications include industrial motor drives (FOC for PMSM/BLDC), IoT edge gateways with Ethernet, automotive body and infotainment subsystems, and graphics HMI panels. In audio applications, the Cortex-M7's DSP extensions accelerate sample-rate conversion and active noise cancellation. When designing with the ATSAME70J20B-ANT, ensure the PCB layout provides a solid ground plane under the LQFP-64 footprint, place 100 nF decoupling on every VDD pin, and route the HS USB differential pair with 90 ohm impedance. The MRAM multi-port controller benefits from cache-coherent DMA configurations to avoid stale-data hazards during peripheral bursts. This page synthesizes distributor pricing, drop-in alternatives from the SAME70 family and competitor Cortex-M7 parts, and practical design notes not found in the manufacturer datasheet alone.

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ATSAME70J21A-AN - 300MHz Cortex-M7 MCU, 2MB Flash, LQFP-64
ATSAME70J21A-AN

ATSAME70J21A-AN - 300MHz Cortex-M7 MCU, 2MB Flash, LQFP-64

The Microchip Technology ATSAME70J21A-AN is a high-performance 32-bit ARM Cortex-M7 microcontroller with Floating Point Unit (FPU), operating at up to 300 MHz and integrating 2 MB of Flash and 384 KB of SRAM in a 64-pin LQFP (10x10 mm) package. This SAM E70 family member combines Cortex-M7 DSP extensions, double-precision FPU, and a rich peripheral set including high-speed USB, Ethernet MAC, CAN-FD, and 16-bit HS USB PHY for connectivity-intensive embedded designs. The part targets industrial-grade temperature ranges (-40C to +85C) and is supplied in a tape-and-reel packaging format per the 'AN' suffix. A microcontroller (MCU) is an integrated circuit that combines a CPU core, program memory (Flash), data memory (SRAM), and a configurable set of on-chip peripherals such as timers, communication controllers, and ADCs on a single die. Within the embedded hierarchy, MCUs sit below microprocessors (MPUs) in integration but above general-purpose logic ICs in functional scope; the ARM Cortex-M7 architecture specifically targets deterministic real-time control with DSP-grade signal processing and hardware floating point, making it a frequent choice for motor control, audio processing, and industrial networking applications. Key features of the ATSAME70J21A-AN include a 300 MHz maximum CPU clock, 2 MB embedded Flash for code and data storage, 384 KB SRAM for runtime working memory, a 16-bit AHB peripheral bus matrix, an integrated High-Speed USB 2.0 device/host PHY, an Ethernet MAC (GMAC), dual CAN-FD controllers, a 12-bit ADC up to 2 MSPS, and a TFT LCD controller. The Cortex-M7 core delivers 5 CoreMark/MHz and 2.14 CoreMark/MHz in floating-point benchmarks, with tightly-coupled memory (TCM) ports for deterministic low-latency code execution. The chip also includes an event system, a configurable interrupt controller (NVIC), and a cryptographic accelerator supporting AES, SHA, and TRNG. Typical applications include industrial motor control (BLDC/PMSM FOC), building automation and HVAC controllers, human-machine interface (HMI) panels with TFT displays, audio processing and Class-D amplifier front-ends, smart-grid energy meters, networked sensor hubs, and USB-connected test/measurement equipment. Designers select this MCU when deterministic Cortex-M7 performance with Ethernet and USB connectivity is required in a single chip without an external MPU subsystem. When designing with this MCU, ensure the VDDIO and VDDCORE decoupling network follows the recommended 100 nF + bulk capacitor topology; for high-speed USB operation, the VDDPLL and VDDUTMII rails require additional filtering. QSPI/SMC interfaces for external memory should be routed with 50 ohm impedance-controlled traces and length-matched within the bus to maintain signal integrity at 100 MHz DDR modes.

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ATSAME70J21A-ANT - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70J21A-ANT

ATSAME70J21A-ANT - 300MHz Cortex-M7 MCU 2MB Flash | Microchip

The Microchip Technology ATSAME70J21A-ANT is a high-performance 32-bit ARM Cortex-M7 microcontroller with FPU, delivering up to 300MHz operation and integrating 2048 Kbytes of Flash plus 384 Kbytes of SRAM in a 64-pin LQFP (10x10 mm) package. It belongs to the SAM E70 family, designed for demanding embedded applications requiring rich connectivity, high-speed analog, and deterministic real-time control. An ARM Cortex-M7 microcontroller is a 32-bit processor core built on the ARMv7-M architecture with single-precision and double-precision floating-point support, superscalar pipeline, and tightly-coupled memory for deterministic interrupt response. MCUs sit at the top of the embedded hierarchy: microcontroller -> embedded controller -> semiconductor IC, and are the brain of every connected and motor-driven product. Cortex-M7 specifically targets high-performance DSP, audio processing, and graphical HMI workloads that exceed the throughput of Cortex-M4. Key features of the ATSAME70J21A-ANT include 300 MHz core with DSP extensions, 2MB Flash, 384KB SRAM, a 16-bit external bus interface (EBI) for SDRAM expansion, high-speed USB with on-chip PHY, and a 12-bit ADC running up to 2 Msps. The integrated FPU and Instruction Cache (16KB) accelerate compute-intensive signal-processing loops, while dedicated peripherals such as CAN, Ethernet (GMAC), and HS USB enable industrial connectivity without external ICs. Architecturally, the device combines ARM Cortex-M7 superscalar pipeline with 4KB instruction cache plus 4KB configurable cache, 384KB SRAM organized for single-cycle access, and a multilayer AHB bus matrix that lets CPU and DMA peripherals move data concurrently without starving either side. Power is managed via an on-chip voltage regulator drawing from a single 1.2V/3.3V rail while offering multiple low-power modes (Sleep, Wait, Backup). Typical applications include industrial automation controllers, motor drives (FOC), audio processing DSPs, automotive infotainment, graphical HMI panels, and IoT edge nodes. The wide peripheral set and LQFP-64 footprint also make the part popular for evaluation boards and rapid prototyping where hand-soldering and breadboarding are helpful. Designers should review the SAM E70 datasheet for the recommended 32.768 kHz crystal and PLL filter network. Decoupling requires at minimum a 100 nF + 4.7 µF combination per VDDCORE/VDDIO pair, and trace lengths to the crystal must be kept below 5 mm with a guard ground to maintain jitter-free operation. This page synthesizes Microchip official datasheet figures, distributor pricing, and a curated cross-reference of SAME70/SAMS70/SAMV71 family parts not found in a single datasheet PDF - giving engineers a one-stop sourcing reference.

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ATSAME70J21B-AN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70J21B-AN

ATSAME70J21B-AN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip

The Microchip Technology ATSAME70J21B-AN is a 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 64-pin LQFP (10x10 mm) package. It is a member of the SAM E70 family of high-performance flash microcontrollers designed for embedded applications that require deterministic real-time response and rich connectivity. The device is supplied from a 1.62 V to 3.6 V single rail, supporting both 1.8 V and 3.3 V system designs from a single part. What is a Cortex-M7 microcontroller? A Cortex-M7 microcontroller is a 32-bit RISC processor core from Arm designed for high-performance embedded applications requiring DSP, single-precision/double-precision floating-point arithmetic, and deterministic interrupt response. The Cortex-M7 sits above Cortex-M4 in the Arm Cortex-M hierarchy and below Cortex-A application processors. Within the broader taxonomy, the ATSAME70J21B-AN belongs to the following chain: ARM Cortex-M7 -> 32-bit RISC microcontroller -> microcontroller unit (MCU) -> semiconductor. The SAM E70 family specifically targets motor control, industrial networking, audio, and graphical HMI designs where M7-class compute exceeds M4 capabilities. Key features of the ATSAME70J21B-AN include a 16 KB instruction cache and 16 KB data cache with single-cycle access from flash through the tightly-coupled memory (TCM) interface, a single-precision hardware Floating Point Unit (FPU), DSP extensions, and a Memory Protection Unit (MPU). The peripheral set includes a high-speed USB 2.0 Full-Speed and High-Speed with on-chip PHY, a 10/100 Mbps Ethernet MAC with IEEE 1588 support, a CAN-FD controller, multiple USART/UART/SPI/TWI/I2S interfaces, a 12-bit ADC, and a 32-bit timer/counter block. The integrated quadrature decoder and PWM channels are tailored for field-oriented motor control loops. The architecture combines a 6-layer bus matrix with dedicated peripheral DMA channels and an event system to support deterministic real-time performance. The dual-bank Flash with read-while-write (RWW) capability allows live firmware updates without halting application code, which is valuable for industrial field devices requiring in-service upgrades. Typical applications include industrial motor drives (BLDC, PMSM, AC induction), factory automation controllers, building automation gateways, audio processing equipment, point-of-sale terminals, and high-end graphical HMI panels. The combination of Cortex-M7 DSP, Ethernet, USB, and CAN-FD makes it well-suited to connected industrial nodes. When designing with this part, plan for proper decoupling: 100 nF on each VDD pin plus a 4.7 µF bulk capacitor. The 64-pin LQFP exposes fewer peripherals than the larger 144-pin variants, so confirm the specific peripheral mix against the pinout table before selecting the package. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, application notes, and engineering design guidance not consolidated on a single manufacturer page.

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ATSAME70N19A-AN - ARM Cortex-M7 MCU 300MHz 512KB Flash LQFP-100 | Microchip
ATSAME70N19A-AN

ATSAME70N19A-AN - ARM Cortex-M7 MCU 300MHz 512KB Flash LQFP-100 | Microchip

The Microchip Technology ATSAME70N19A-AN is a high-performance 32-bit ARM Cortex-M7 microcontroller with Floating Point Unit (FPU) operating at up to 300 MHz, featuring 512 KB of Flash and 256 KB of SRAM, housed in a 100-pin LQFP (14x14 mm) package. It belongs to the SMART SAM E70 family of flash microcontrollers designed for embedded applications requiring high computational throughput and rich connectivity peripherals. A microcontroller (MCU) is a single-chip computer containing a processor core, memory, and programmable input/output peripherals. The SAM E70 family targets high-end industrial, automotive, and consumer applications where an ARM Cortex-M7 core with single-precision/double-precision FPU, DSP extensions, and ICache provides deterministic real-time response. As part of the broader hierarchy MCU -> 32-bit microcontroller -> ARM Cortex-M family -> embedded processor, the ATSAME70N19A-AN integrates processing, memory, and analog/digital peripherals into one IC. Key differentiating features include 300 MHz core with 600 DMIPS performance, 16 KB ICache plus 4 KB DCache for low-latency instruction fetch, dual CAN-FD interfaces, HS USB with integrated PHY, 100/1000 Mbps Ethernet MAC with 1588 precision time protocol support, and a 12-bit ADC up to 2 Msps. An on-chip FPU accelerates floating-point math, enabling sensor fusion and motor-control loops. Cryptographic accelerators (AES, TRNG) and Secure Boot provide optional hardware root-of-trust. Technical depth: The Cortex-M7 core is paired with a 7-layer AHB-Lite matrix and dedicated DMA controllers (DMAC plus AFEC for high-speed peripheral transfers). The device supports 1.8V, 2.5V, and 3.3V I/O domains, allowing direct interfacing with both 1.8V sensors and 3.3V peripherals. An external bus interface (EBI) supports SDRAM, NAND, and SRAM, enabling expansion to dozens of MB of external memory for graphics or storage-rich designs. An on-chip Temperature Sensor and a 32 kHz low-power RTC with calendar support low-power standby modes. Typical applications include industrial automation controllers, automotive body and gateway ECUs, smart energy gateways, building-automation HMI panels, audio processing subsystems, and high-performance IoT edge nodes that perform on-device inference or sensor-fusion math. The wide operating temperature range and AEC-Q100 qualification of related SAM E70 parts support automotive-grade deployments. When designing with this device, prioritize decoupling strategy with bulk capacitors near the LDO feeds and 100 nF capacitors at every VDD/VSS pin pair. Use the on-chip FPU and DMA to keep the CPU load below 50 percent to preserve headroom for interrupts and the Ethernet MAC handling. SWD/JTAG header placement should keep trace lengths under 50 mm to maintain debug stability. This page synthesizes distributor pricing, pin-compatible drop-in alternatives, application notes, and engineering design guidance not found in the manufacturer datasheet alone, providing a 360-degree decision reference for the ATSAME70N19A-AN in new designs and pin-compatibly upgrades from earlier SAM S70/V71 variants.

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ATSAME70N19A-ANT - ARM Cortex-M7 MCU 300MHz 512KB Flash | Microchip
ATSAME70N19A-ANT

ATSAME70N19A-ANT - ARM Cortex-M7 MCU 300MHz 512KB Flash | Microchip

The Microchip Technology ATSAME70N19A-ANT is a 32-bit ARM Cortex-M7 microcontroller IC with integrated Floating Point Unit (FPU), operating at up to 300 MHz core frequency. The device integrates 512 KB of Flash memory (organized as 512K x 8) and 256 KB of SRAM, and is housed in a 100-pin LQFP package measuring 14x14 mm. An ARM Cortex-M7 microcontroller belongs to the high-performance microcontroller category, which sits within the broader taxonomy of embedded processors -> microcontrollers -> 32-bit MCUs -> ARM Cortex-M family -> Cortex-M7 sub-family. Cortex-M7 parts add a dual-issue pipeline, single-precision and double-precision FPU support, and an instruction cache (I-cache) that lets the core sustain high Dhrystone and CoreMark scores at low clock rates. They are commonly used where deterministic DSP and signal-processing performance are required without resorting to a higher-cost DSP or Cortex-A application processor. Key features of the ATSAME70N19A-ANT include a single-precision/double-precision hardware FPU, tightly-coupled memory (TCM) for deterministic interrupt response, a 16-bit External Bus Interface (EBI) for off-chip memory expansion, and a high-speed USB 2.0 Full-Speed device/host with on-chip PHY. Peripherals include a 12-bit ADC, a 16-bit Timer/Counter block, a Camera Interface, an EMAC with 1588 PTP support, and an HS SD card/MMC interface. The device operates from a 1.62V to 3.6V supply and is specified over the -40C to +85C industrial temperature range. Architecturally, the SAME70 uses a Cortex-M7 core with branch prediction, I-cache, and a dedicated MPU for memory protection. The bus matrix connects the core to Flash, SRAM, and peripherals through separate AHB/APB bridges, allowing concurrent DMA and CPU transfers without stalling. The on-chip voltage regulator simplifies single-rail 3.3V designs while supporting low-power modes such as Sleep, Wait, and Backup. Typical applications include industrial motor control, factory automation PLCs, building control gateways, automotive infotainment head-units, and high-end consumer audio. The combination of 300 MHz compute, FPU, 16-bit ADC, and Ethernet makes the part a common choice for EtherCAT/CAN-FD nodes and protocol bridges. In automotive and audio domains, the SAME70 family is also used as a DSP co-processor for active noise cancellation and audio front-ends. When designing with this device, place decoupling capacitors (100 nF and 4.7 uF bulk) within 5 mm of each VDD pin pair, and route the NRST reset trace away from switching nodes. Use the on-chip brown-out detector (BOD) and watchdog to recover from supply transients in industrial environments, and configure the 32.768 kHz crystal load capacitors per the datasheet reference oscillator section. This page synthesizes real-time distributor pricing, pin-compatible SAME70/SAMS70 family drop-in alternatives, and practical PCB/thermal design notes not found in the manufacturer datasheet alone.

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ATSAME70N19A-CN - 300MHz Cortex-M7 MCU 512KB Flash | Microchip
ATSAME70N19A-CN

ATSAME70N19A-CN - 300MHz Cortex-M7 MCU 512KB Flash | Microchip

The Microchip Technology ATSAME70N19A-CN is a high-performance 32-bit ARM Cortex-M7 microcontroller with Floating Point Unit (FPU), operating at up to 300 MHz and featuring 512 KB of Flash memory plus 256 KB of SRAM, housed in a 100-ball TFBGA (9x9 mm) package. The device is part of the SAME70 family and integrates an extensive peripheral set including Ethernet MAC, USB 2.0 High-Speed, CAN-FD, HS USB, and a TFT LCD controller for graphical HMI applications. An ARM Cortex-M7 microcontroller is a 32-bit RISC processor core designed by ARM Holdings for embedded applications requiring high computational throughput, deterministic real-time response, and efficient DSP performance. The Cortex-M7 architecture extends the Cortex-M4 by adding a double-precision FPU, instruction and data caches, and tightly-coupled memory (TCM) interfaces. Within the broader taxonomy, a Cortex-M7 MCU sits in the hierarchy: microcontroller -> embedded processor -> integrated circuit -> semiconductor. SAME70 devices operate from a 1.2V/3.3V split-rail supply and target industrial, automotive, and connectivity-rich IoT gateways. Key differentiating features of the ATSAME70N19A-CN include 16 KB of instruction cache and 16 KB of data cache with TCM support, a hardware Cryptography Accelerator (AES, TRNG), dual CAN-FD controllers, 12-bit ADC up to 1.5 Msps, a TFT LCD controller with overlay support, and a 16-bit External Bus Interface (EBI) for memory expansion. The 300 MHz core delivers 600 DMIPS / 300 CoreMark, placing it among the highest-throughput Cortex-M7 microcontrollers available in a commercial-grade (non-automotive, -40C to +85C) temperature range. Architecturally the device pairs the high-speed core with tightly-coupled memory (ITCM/DTCM) for deterministic interrupt latency under 15 ns, plus an embedded SRAM-backed regulator and brown-out detector. A multi-layer AHB/APB bus matrix gives parallel access to peripheral DMA channels, enabling simultaneous Ethernet, USB, and display refresh without bus contention. Typical applications include industrial Ethernet gateways, motion-control drives, building-automation controllers, HMI panels with TFT displays, and motor-control inverters with CAN-FD networking. The combination of high-speed USB 2.0 and on-chip MAC makes it well-suited for networked sensor hubs that need both wired connectivity and moderate local processing. When designing with the ATSAME70N19A-CN, special attention is required to PCB escape routing for the 0.8 mm-pitch TFBGA-100, decoupling of the 1.2V core rail with bulk plus high-frequency MLCC caps, and I/O voltage selection for 3.3V-tolerant signals. The internal regulator demands a well-designed PCB thermal copper pour to dissipate peak load transients. This page synthesizes distributor pricing, drop-in alternatives from the SAME70 / SAMS70 family, and practical PCB design notes not found in the manufacturer datasheet.

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ATSAME70N19A-CNT - 300MHz Cortex-M7 MCU, 512KB Flash | Microchip
ATSAME70N19A-CNT

ATSAME70N19A-CNT - 300MHz Cortex-M7 MCU, 512KB Flash | Microchip

The Microchip Technology ATSAME70N19A-CNT is a high-performance 32-bit ARM Cortex-M7 microcontroller with Floating Point Unit (FPU), delivering up to 300 MHz core clock speed with 512 KB of Flash and 256 KB of SRAM, packaged in a 100-pin TFBGA (9x9 mm) industrial-temperature grade. According to the Microchip product page, the SAM E70 family integrates an FPU supporting single and double-precision IEEE 754 floating-point operations, a 16-bit DDR/LPDDR/LPSDR SDRAM controller, and high-speed USB with integrated PHY. What is an ARM Cortex-M7 microcontroller? A Cortex-M7 microcontroller (MCU) is a 32-bit system-on-chip combining a Harvard-bus processor core with on-chip Flash program memory, SRAM data memory, and a rich set of peripherals. It belongs to the Cortex-M family within the broader category of microcontrollers and embedded processors, sitting below Cortex-A application processors in performance/power. The Cortex-M7 specifically adds dual-issue superscalar pipeline, branch prediction, and tightly-coupled memory (TCM), targeting signal processing, motor control, and industrial connectivity workloads. Key features of the ATSAME70N19A-CNT include an integrated 12-bit ADC up to 2 Msps, a 2-channel 12-bit DAC, multiple high-speed serial interfaces (USART, SPI, TWI), HS USB 2.0 with on-chip PHY, dual CAN-FD controllers, an Ethernet MAC with 1588 PTP, and hardware cryptographic accelerators for AES, SHA, and TRNG. The 100-pin TFBGA package supports the device's 300 MHz operation and signal-integrity demands of high-speed peripherals. Architecturally, the ATSAME70N19A-CNT combines a 6-stage dual-issue superscalar Cortex-M7 core with 16 KB of I-cache and D-cache, 4 KB of I-TCM and D-TCM, and an advanced bus matrix connecting peripherals to the TCM via dedicated paths. This dual-mode memory architecture (cache + TCM) gives deterministic latency for real-time tasks while preserving bandwidth for code execution from Flash. Typical applications include industrial automation and motor control (Fieldbus + FPU for sensorless FOC), automotive body and connectivity modules, building automation gateways, smart-grid and metering endpoints, audio/voice front-end DSP, point-of-sale terminals, and IoT edge nodes requiring Ethernet or HS USB connectivity. Key design considerations: ensure the TFBGA-100 PCB footprint uses NSMD pads with via-in-pad or microvia technology, follow Microchip's decoupling guidelines (1 nF + 100 nF + bulk per VDD domain), and confirm SDRAM trace length matching if using the external bus. The -I temperature grade targets -40C to +85C. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that complement the manufacturer datasheet.

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ATSAME70N19B-AN - 300MHz ARM Cortex-M7 MCU 512KB Flash | Microchip
ATSAME70N19B-AN

ATSAME70N19B-AN - 300MHz ARM Cortex-M7 MCU 512KB Flash | Microchip

The Microchip Technology ATSAME70N19B-AN is a 32-bit ARM Cortex-M7 microcontroller with FPU operating up to 300 MHz, integrating 512 KB of Flash and 256 KB of SRAM in a 100-pin LQFP (14x14 mm) package. It belongs to the SAM E70 family of high-performance flash microcontrollers aimed at connectivity, industrial control, and graphical HMI applications that require deterministic real-time response. What is a microcontroller? A microcontroller (MCU) is a single-chip computer containing a processor core, program memory, data memory, and a rich set of on-chip peripherals such as timers, communication controllers, and analog blocks. The Cortex-M7 architecture used here is a superset of the Cortex-M4 with a six-stage superscalar pipeline, dual-issue DSP extensions, branch prediction, and an optional single-precision floating-point unit - the highest-performing member of the Cortex-M family before Cortex-M85. Key features of the ATSAME70N19B-AN include 300 MHz core clock with 1500 CoreMark score, 512 KB Flash with ECC, 256 KB SRAM, a 16-bit External Bus Interface (EBI), HS USB Host/Device with on-chip PHY, dual CAN-FD controllers, 10/100 Ethernet MAC with 1588 PTP support, an image-sensor parallel interface (ISI) for camera input, 12-bit AFEC, 12-bit DAC, and a TFT LCD controller up to XGA resolution. The device also integrates a sophisticated 8-channel Peripheral Event Controller, a Floating Point Unit, a Memory Protection Unit (MPU), a 16-Kbyte instruction cache, and tightly-coupled memory (TCM) for deterministic code execution. Cryptography is supported by True Random Number Generator (TRNG) and AES hardware acceleration blocks, enabling secure-boot and over-the-air update schemes. Typical applications include industrial automation PLCs, building-automation gateways, motor-control FOC drives, IoT edge nodes with Ethernet, barcode scanners, patient-monitoring instrumentation, smart-energy metering, and automotive aftermarket infotainment. The combination of HS USB, dual CAN-FD, and Ethernet MAC makes it particularly attractive as a sub-system controller that bridges field buses with cloud uplinks. When designing with the ATSAME70N19B-AN, use Atmel Studio 7 / MPLAB X IDE with the ASF or Harmony 3 framework. Decouple each VDD/VDDIO pin individually, route the 12 MHz external crystal with short traces within 5 mm of the XIN/XOUT pins, and assign at least one external 32.768 kHz crystal for RTC accuracy. The 100-LQFP package supports single-layer prototype boards but benefits from a 4-layer stack-up for EMI-sensitive applications. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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ATSAME70N19B-CNT - Cortex-M7 MCU 300MHz 512KB Flash 100-TFBGA
ATSAME70N19B-CNT

ATSAME70N19B-CNT - Cortex-M7 MCU 300MHz 512KB Flash 100-TFBGA

The Microchip Technology ATSAME70N19B-CNT is a high-performance 32-bit ARM Cortex-M7 microcontroller with Floating Point Unit (FPU) operating at up to 300 MHz, integrating 512 KB of Flash and 256 KB of SRAM in a 100-pin TFBGA (9x9 mm) package. According to the Microchip product page, the device belongs to the SAME70 family, which combines DSP capability, single-precision floating-point hardware, and a rich set of connectivity peripherals for industrial and consumer embedded designs. A microcontroller (MCU) is an integrated circuit containing a CPU core, program memory (Flash), data memory (SRAM), and a configurable set of on-chip peripherals such as timers, ADC/DAC, communication controllers (USART/SPI/TWI), and GPIO. The ARM Cortex-M7 architecture extends the Cortex-M4 instruction set with a superscalar pipeline, dual-issue load/store, and an IEEE 754 single-precision FPU, placing the SAME70 in the high-performance tier of Cortex-M microcontrollers — between mainstream Cortex-M4 devices and application processors. SAME70 MCUs sit within the broader hierarchy of microcontrollers -> embedded processors -> semiconductor ICs. Key features of the ATSAME70N19B-CNT include 512 KB Flash, 256 KB SRAM, a 300 MHz maximum CPU clock, an integrated FPU, and a High-Speed USB controller with on-chip PHY. The part is offered in a 100-ball Thin-profile Fine-pitch BGA (TFBGA) measuring 9x9 mm, providing dense I/O access in a compact footprint suitable for space-constrained designs. The industrial-grade temperature range and integrated peripherals reduce BOM cost by replacing external communication or memory chips. The SAME70 architecture integrates a multi-layer bus matrix that allows simultaneous transfers between the CPU, DMA, and peripheral subsystems. The on-chip Flash accelerator and instruction cache deliver deterministic interrupt latency and enable sustained DSP throughput suitable for motor control, audio codecs, and complex sensor fusion. The integrated Ethernet MAC and HS USB PHY simplify connectivity in industrial gateways and connected sensor nodes. Typical applications include industrial motor control (FOC for BLDC and PMSM drives), high-speed data acquisition and signal processing, building automation controllers, IoT edge nodes with Ethernet connectivity, audio processing, and HMI subsystems with display support. The combination of DSP extensions, large SRAM, and high-speed peripherals also makes it suitable for point-of-sale terminals and medical instrumentation. When designing with the ATSAME70N19B-CNT, designers should carefully consider PCB routing for the BGA fan-out, decoupling strategy for the 1.2V core rail, and trace impedance for the Ethernet and HS-USB differential pairs. The TFBGA package requires reflow profiling that matches the package's thermal mass to avoid solder joint defects. This page synthesizes distributor pricing, drop-in alternatives within the SAME70 family, and practical design notes not found in the manufacturer datasheet alone.

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ATSAME70N20A-AN - 300MHz Cortex-M7 MCU, 1MB Flash, LQFP-100
ATSAME70N20A-AN

ATSAME70N20A-AN - 300MHz Cortex-M7 MCU, 1MB Flash, LQFP-100

The Microchip ATSAME70N20A-AN is a high-performance 32-bit ARM Cortex-M7 microcontroller with floating-point unit (FPU), operating at up to 300 MHz and integrating 1 MB of Flash alongside 384 KB of SRAM in a 100-pin LQFP package. The Cortex-M7 core delivers 1500 CoreMark and supports DSP extensions plus double-precision FPU, enabling single-chip execution of advanced motor control, audio processing, and Ethernet-connected industrial nodes. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), working memory (SRAM), and a rich set of peripherals such as timers, ADCs, communication interfaces, and GPIO into one package. The Cortex-M7 architecture sits at the top of the ARM Cortex-M family hierarchy (Cortex-M0 -> M3 -> M4 -> M7) and is the highest-performance tier targeting deterministic real-time DSP and floating-point workloads. The ATSAME70N20A-AN therefore spans the use cases previously reserved for separate DSP or external-FPGA coprocessors while remaining a microcontroller-class device with deterministic interrupt response. Key features include a 16-bit stereo interface, high-speed USB Host/Device with on-chip HS PHY, two CAN-FD controllers, Ethernet MAC with 1588 PTP support, an image sensor interface, an 8/12-bit Parallel Capture, and a 12-bit 2 MSPS ADC. Cryptographic accelerators (AES-256, SHA, TRNG) and secure-boot with on-chip OTP fuse make the part suitable for connected industrial and IoT security deployments. The integrated High-Speed USB PHY eliminates external transceivers, reducing BOM and PCB area for USB-equipped designs. The device supports 1.8 V, 2.5 V, and 3.3 V I/O domains, simplifying connection to mixed-voltage sensors, FPGAs, and external memory. A 16-channel Event System, 24-bit timers, and a Quad-SPI interface with XIP (execute-in-place) enable deterministic real-time response and easy expansion of code storage beyond the on-chip 1 MB Flash. Operating temperature spans -40 C to +105 C for industrial environments. Typical applications include industrial motor control (FOC and PFC), graphical HMI, audio DSP, automotive body and gateway ECUs, smart-energy metering, and connected IoT edge nodes with Ethernet or USB connectivity. The combination of 300 MHz Cortex-M7, FPU, and DSP extensions delivers DSP-class signal-processing throughput on a single MCU. When designing with this device, plan for an LQFP-100 footprint with a central thermal pad, route the 16-bit data bus and SDRAM signals with controlled impedance, and place decoupling capacitors within 2 mm of every supply pin. Refer to the SAME70 family datasheet for SDRAM timing and the recommended USB and Ethernet magnetics layout. This page synthesizes distributor pricing, drop-in SAME70 family alternatives, and practical design notes not found in the manufacturer datasheet alone.

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ATSAME70N20A-ANT - 300MHz Cortex-M7 MCU 1MB Flash | Microchip
ATSAME70N20A-ANT

ATSAME70N20A-ANT - 300MHz Cortex-M7 MCU 1MB Flash | Microchip

The Microchip Technology ATSAME70N20A-ANT is a 32-bit ARM Cortex-M7 microcontroller with Floating Point Unit (FPU) operating at up to 300 MHz, featuring 1 MB of Flash and 384 KB of SRAM in a 100-pin LQFP (14x14 mm) package. The device belongs to the SAM E70 family, a high-performance flash MCU lineup targeting industrial, automotive, and graphical embedded applications. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory, and programmable peripherals. The ARM Cortex-M7 is the highest-performance member of the Cortex-M processor family, adding a superscalar pipeline, branch prediction, and optional double-precision FPU. MCUs sit at the top of the embedded computing hierarchy (MCU -> embedded processor -> semiconductor IC) and serve as the central controller in nearly every modern electronic product, from consumer appliances to industrial drives. Key specifications include a 300 MHz maximum CPU clock, 16 KB instruction cache plus 16 KB data cache, single-precision and double-precision FPU, and Memory Protection Unit (MPU). The peripheral set includes a High-Speed USB Host/Device with PHY, CAN-FD, Ethernet MAC, HS SDCard/SDIO, image sensor interface, and a 2D graphical accelerator (AFEC and DAC variants vary by family member). The device operates from 1.62 V to 3.6 V and is rated -40 C to +105 C industrial. Architecturally, the SAM E70 integrates tightly coupled memory for deterministic interrupt latency, a multi-layer bus matrix for simultaneous DMA and CPU access, and a Pixel Copy accelerator that offloads rectangular memory-to-memory blits. These blocks make the part especially well-suited to display, audio, and motor-control subsystems where deterministic response and parallel throughput matter. Typical applications include industrial HMI panels with TFT displays, audio amplifiers and DSP front-ends, building-automation controllers, motor-control inverters, and graphical data-logging instruments. The on-chip 2D graphics accelerator plus image-sensor interface also enables barcode scanners, biometric terminals, and small-format machine-vision front-ends. Designers should plan the external bus interface carefully: SDRAM and QSPI traces require length-matched routing and a 4-layer stack-up to meet the 150 MHz EBI clock. Use the brown-out detector and watchdog timer at reset for safety-critical firmware boot paths, and follow the errata sheet during revision-A silicon. This page consolidates distributor pricing, drop-in alternative listings, and practical design notes that go beyond the manufacturer datasheet - including cross-reference analysis versus the SAM S70 and SAM V71 family siblings and an LQFP-100 footprint reuse discussion for designers migrating from earlier Atmel SAM3/SAM4 designs.

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ATSAME70N20A-CN - ARM Cortex-M7 MCU 300MHz 1MB Flash 100-TFBGA
ATSAME70N20A-CN

ATSAME70N20A-CN - ARM Cortex-M7 MCU 300MHz 1MB Flash 100-TFBGA

The Microchip Technology ATSAME70N20A-CN is a high-performance 32-bit ARM Cortex-M7 microcontroller with Floating Point Unit (FPU), operating at up to 300 MHz with 1024 Kbytes of on-chip Flash and 384 Kbytes of multi-port SRAM, housed in a 100-pin TFBGA (9x9 mm) package. It targets applications demanding real-time DSP, motor control, and high-speed connectivity, with a single 1.8V/2.5V/3.3V supply and industrial-grade temperature range. A microcontroller (MCU) is a single-chip computer containing a processor core, memory, and programmable peripherals. The SAM E70 family belongs to the Cortex-M7 class of microcontrollers, which sits in the hierarchy: ARM Cortex-M7 MCU -> 32-bit MCU -> microcontroller -> embedded processor -> semiconductor. The Cortex-M7 core introduces a six-stage superscalar pipeline, double-precision FPU, and tightly-coupled memory (TCM) for deterministic sub-cycle interrupt response, enabling high-bandwidth signal processing on a single chip. Key features of the ATSAME70N20A-CN include 16 Kbytes of I-cache and D-cache, an MPU for memory protection, and an Event System for inter-peripheral signalling without CPU intervention. It integrates a high-speed USB 2.0 High-Speed PHY, two HSMCI/eMMC interfaces, two CAN-FD controllers, an HSEM (Hardware Semaphore), and a Quad-SPI interface for XIP external Flash. The advanced analog includes a 12-bit AFEC, a temperature sensor, and configurable SERCOM channels for UART/SPI/I2C. The device operates from a single 3.3V supply with an internal core LDO and supports industrial temperature grades (-40C to +85C). Its dual-AHB Bus Matrix enables simultaneous SRAM and peripheral access, and the integrated crypto engine provides AES, TRNG, and secure boot. The TFBGA-100 package has a thermal resistance suitable for fanless industrial enclosures when mounted on a multi-layer PCB with thermal vias under the exposed pad. Typical applications include industrial motor drives (FOC for PMSM), solar inverters, audio amplification with DSP, point-of-sale terminals, and automotive body controllers. In each, the Cortex-M7's DSP extensions deliver >2x the signal-processing throughput of Cortex-M4 solutions at the same clock frequency. When designing with this MCU, allocate the upper 128 Kbytes of SRAM as DTCM for zero-wait-state data access. Decouple VDDCORE and VDDIO supplies separately, and follow Microchip AN34002 PCB layout guidelines for TFBGA escape routing. This page synthesizes distributor pricing, drop-in alternative candidates, and practical design notes not found in the manufacturer datasheet alone, giving engineers a single reference for evaluation and sourcing.

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ATSAME70N20A-CNT - 300MHz Cortex-M7 MCU 1MB Flash | Microchip
ATSAME70N20A-CNT

ATSAME70N20A-CNT - 300MHz Cortex-M7 MCU 1MB Flash | Microchip

The Microchip ATSAME70N20A-CNT is a high-performance 32-bit ARM Cortex-M7 microcontroller with Floating Point Unit (FPU), running up to 300 MHz, integrating 1 MB of Flash and 384 KB of SRAM in a 100-pin TFBGA (9x9 mm) package. It belongs to the SMART SAM E70 family and is supplied in Tape & Reel (CNT suffix) for high-volume surface-mount assembly. An ARM Cortex-M7 MCU is a 32-bit microcontroller built around the ARM Cortex-M7 processor core, designed for deterministic real-time control combined with high-throughput signal processing. The Cortex-M7 sits at the top of the Cortex-M family, above Cortex-M4/M33, and offers a 6-stage superscalar pipeline, double-precision FPU, and tightly-coupled memory (TCM) for low-latency code execution. Microcontrollers such as the ATSAME70N20A-CNT function as the central processing unit in embedded systems, integrating CPU, memory, and peripherals on a single die. Key features include a single-precision/double-precision FPU, 16 KB instruction cache and 16 KB data cache, tightly-coupled memory for time-critical routines, and a multi-layer bus matrix (AHB) capable of simultaneous peripheral DMA. The device integrates an extensive peripheral set including Ethernet MAC, USB 2.0 High-Speed PHY, CAN-FD, HS SDCard/eMMC interface, I2S audio, 12-bit 2 MSPS ADC, and motor-control PWM timers. Operating voltage is 1.62 V to 3.6 V core logic with separate 1.2 V internal regulator. The architecture is built on a low-power CMOS process with multiple low-power modes (Sleep, Wait, Backup) and a fast wake-up controller. The integrated high-speed USB PHY eliminates external PHY components, while the 16-bit External Bus Interface (EBI) supports SRAM, NOR Flash, and SDRAM expansion up to 128 MB. A hardware cryptographic accelerator (TRNG, AES, SHA) is available on related variants. Typical applications include industrial motor control (PMSM, BLDC, servo drives), graphical HMI panels with TFT LCD, automotive body and connectivity ECUs, IoT gateways with Ethernet/USB, audio processing equipment, and medical instrumentation requiring high computational throughput. The 300 MHz M7 core delivers 1500 CoreMark and 600 DMIPS, suitable for DSP-style workloads such as Kalman filtering and field-oriented control loops. When designing with this MCU, plan for a 4-layer PCB with a solid ground pour under the TFBGA to manage thermal dissipation and signal-integrity on parallel bus interfaces. The high-speed USB traces require 90 ohm differential impedance and length matching within 150 mil. JTAG/SWD traces should be kept under 50 mm and isolated from switching power rails. This page synthesizes distributor pricing, drop-in alternatives from the SAM E70 family, and practical PCB design guidance not consolidated in the manufacturer datasheet.

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ATSAME70N20B-AN - 300MHz Cortex-M7 MCU 1MB Flash 100-LQFP | Microchip
ATSAME70N20B-AN

ATSAME70N20B-AN - 300MHz Cortex-M7 MCU 1MB Flash 100-LQFP | Microchip

The Microchip Technology ATSAME70N20B-AN is a 32-bit ARM Cortex-M7 microcontroller with single-precision Floating Point Unit (FPU) running at up to 300 MHz, packaged in a 100-pin LQFP (14x14 mm). It integrates 1 MB of Flash, 384 KB of SRAM, and a rich set of high-speed peripherals including High-Speed USB, CAN-FD, 10/100 Ethernet MAC, and an External Bus Interface (EBI) that supports SDRAM expansion up to 64 MB. A microcontroller (MCU) is a single-chip computer containing a processor core, volatile and non-volatile memory, and programmable I/O peripherals. Within the broader semiconductor hierarchy, an MCU sits below microprocessors (MPU) and above digital signal controllers (DSC); the SAM E70 family targets applications that require DSP-grade performance plus deterministic real-time control by pairing a Cortex-M7 core with a tightly-coupled SRAM subsystem. Synonyms used in industry include "embedded controller", "microcontroller unit", and "flash MCU". Key features of the ATSAME70N20B-AN include a 300 MHz Cortex-M7 core with 16 KB I-cache and 16 KB D-cache, a single-precision FPU with double-precision support, DSP extensions, and a multi-port SRAM controller. Communication peripherals include HS USB 2.0 device/host with on-chip PHY, dual CAN-FD controllers, an Ethernet MAC with IEEE 1588 PTP support, multiple USART/SPI/TWI interfaces, and an image sensor interface. The device operates from 1.62 V to 3.6 V and is rated for the -40C to +85C industrial temperature range. Architecturally, the ATSAME70N20B-AN uses a 6-layer AHB matrix that delivers simultaneous data transfer between the Cortex-M7 core, the SRAM banks, and the high-bandwidth peripherals. The dedicated EBI allows external SDRAM expansion, making the part well-suited for display, vision, and gateway applications where on-chip SRAM alone is insufficient. Typical applications include industrial automation controllers, building automation gateways, smart energy meters, motor control drives, point-of-sale terminals, and connected medical instrumentation. The combination of HS USB, Ethernet, and CAN-FD provides a ready-made connectivity stack for IoT edge nodes and Industry 4.0 controllers. When designing with this device, ensure the 1.8V core LDO is bypassed with the manufacturer-recommended capacitor values and that the external SDRAM trace lengths are matched within the EBI timing budget. The part is supplied in tray packaging as the -AN (LQFP) variant; tape-and-reel -ANT variants are also available from Microchip. This page synthesizes distributor pricing, same-brand and cross-brand drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, helping engineers accelerate sourcing and PCB bring-up for SAM E70 designs.

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ATSAME70N20B-ANT - ARM Cortex-M7 MCU 300MHz 1MB Flash LQFP-100 | Microchip
ATSAME70N20B-ANT

ATSAME70N20B-ANT - ARM Cortex-M7 MCU 300MHz 1MB Flash LQFP-100 | Microchip

The Microchip Technology ATSAME70N20B-ANT 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 100-pin LQFP (14x14 mm) package. It belongs to the SAM E70 family and is supplied in tape-and-reel packaging with the -ANT suffix indicating the LQFP-100 form factor. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory, and programmable peripherals. The SAM E70 line targets high-performance embedded applications, occupying the upper tier of the Cortex-M family alongside Cortex-M7 variants from STMicroelectronics and NXP. The Cortex-M7 core in the SAME70N20 includes a double-precision FPU, MPU, and DSP extensions, enabling complex signal-processing workloads at deterministic latencies. The device operates from a 1.7 V to 3.6 V supply, drawing microamp-level sleep current for battery-aware designs. Key features include an integrated 1 MB Flash, 384 KB SRAM, high-speed USB 2.0 High-Speed PHY, dual CAN-FD controllers, Ethernet MAC with 1588 timestamping, an HS SD card interface, and a 12-bit 2 Msps ADC. The SAME70N20B variant (B silicon revision) supports enhanced connectivity, including the on-chip high-speed USB PHY that simplifies USB Host designs. The 100-pin LQFP package exposes 75 GPIO, three SPI, four UART/USART, two I2C, and two CAN interfaces, providing extensive connectivity. Typical applications include industrial automation, automotive infotainment, smart energy, IoT gateways, and graphical HMI. The 300 MHz core and large memory suit real-time motor control, audio processing, and protocol bridging tasks. The on-chip HS USB PHY and Ethernet MAC make the part attractive for connected embedded products that previously required external companion chips. Designers should review the SAME70 family datasheet for pin mux configuration, power supply sequencing, and recommended bypass capacitor layout. For new designs, ATSAME70N20B-ANT offers a balance of compute, memory, and connectivity in a footprint compatible with the wider SAME70 family.

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ATSAME70N20B-CN - 300MHz Cortex-M7 MCU 1MB Flash 100-TFBGA
ATSAME70N20B-CN

ATSAME70N20B-CN - 300MHz Cortex-M7 MCU 1MB Flash 100-TFBGA

The Microchip Technology ATSAME70N20B-CN is a high-performance 32-bit ARM Cortex-M7 microcontroller with single-precision/double-precision Floating Point Unit (FPU), operating at up to 300 MHz and integrating 1 MB of Flash plus 384 KB of SRAM in a 100-pin TFBGA (9x9 mm) package. The SAM E70 family targets applications that demand deterministic real-time control, DSP-grade signal processing, and high-throughput connectivity in industrial, automotive, and consumer segments. A microcontroller (MCU) is a single-chip computer integrating a CPU core, program memory (Flash), data memory (SRAM), and a rich set of peripherals (timers, ADC, communication interfaces). The Cortex-M7 specifically belongs to the ARM Cortex-M family, optimized for embedded deterministic processing with low interrupt latency and optional FPU for floating-point math. In the system hierarchy, an MCU sits above general-purpose logic but below application processors (MPU/AP); the SAM E70 series occupies the high-end Cortex-M tier, with cache, tightly-coupled memory, and DSP extensions rivaling some mid-range DSPs. Key features of the ATSAME70N20B-CN include 16 KB of instruction cache, 16 KB of SRAM-backed data cache, a Multi-bit ECC on Flash and SRAM, a high-speed USB 2.0 High-Speed PHY with on-chip transceiver, dual CAN-FD controllers, an IEEE 1588-capable EMAC (Ethernet MAC), and a 12-bit 2 MSPS analog front-end. The integrated Floating Point Unit accelerates single- and double-precision math without CPU stalls, while the DSP extensions enable efficient MAC operations and SIMD-style instructions for motor control and audio codecs. The device's architectural depth — ICache/DCache, Tightly-Coupled Memory (TCM), and a 300 MHz Cortex-M7 — allows zero-wait-state code execution from Flash via the cache, while deterministic latency-critical code can be relocated to TCM for cycle-accurate response. The peripheral set is anchored by a high-speed USB HS PHY with integrated transceiver, two CAN-FD buses, a 10/100 Ethernet MAC with IEEE 1588 timestamping, three FLEXCOM-like USARTs, multiple SPI and TWI (I2C) interfaces, and an image-sensor-friendly peripheral touch controller, making the part a strong choice for HMI, audio, motor control, and connected industrial nodes. Typical applications include industrial motor drives (FOC for PMSM/BLDC), audio DSP front-ends, PLC and industrial automation controllers, automotive body/comfort gateways, and IoT edge gateways. The wide 1.62V to 3.6V operating voltage, automotive-grade temperature support, and dual CAN-FD interfaces also suit 24V truck and agricultural machinery systems. When designing with the ATSAME70N20B-CN, careful PCB layout for the TFBGA-100 footprint is essential: route 50 ohm controlled-impedance differential pairs for USB HS and Ethernet, provide solid power-plane decoupling (one 100 nF per VDD pin), and expose the SWD/JTAG pins for boundary-scan. Use the SAME70 BSP from Microchip Harmony 3 (MHC) to bootstrap peripherals and clock trees. This page synthesizes real distributor pricing (LCSC $18.46 at qty 1, Heisener $15.49 at qty 1), SAME70-family drop-in alternates, and practical design notes not found in the manufacturer datasheet — information designed to reduce your time-to-prototype.

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ATSAME70N20B-CNT - 300MHz Cortex-M7 MCU, 1MB Flash, 100-TFBGA | Microchip
ATSAME70N20B-CNT

ATSAME70N20B-CNT - 300MHz Cortex-M7 MCU, 1MB Flash, 100-TFBGA | Microchip

The Microchip ATSAME70N20B-CNT is a 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), housed in a 100-pin TFBGA (9x9 mm) package. It integrates 1 MB of Flash, 384 KB of multi-port SRAM, and a rich set of peripherals including HS USB, Ethernet, CAN-FD, and an EMAC, making it suitable for connected and real-time industrial designs. What is an ARM Cortex-M7 microcontroller? A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory, and peripherals. The Cortex-M7 is Arm's highest-performance M-class core, featuring a 6-stage superscalar pipeline, branch prediction, single/double-precision FPU, and tightly-coupled memory for deterministic low-latency response. Within the broader hierarchy, Cortex-M7 fits under: MCU -> 32-bit MCU -> Cortex-M family -> Cortex-M7. The SAM E70 family targets industrial connectivity, motor control, and graphical HMI applications where both DSP and control performance are required. Key features of the ATSAME70N20B-CNT include 300 MHz CPU clock with 1500 CoreMark score, up to 2 MB embedded Flash addressing, 384 KB SRAM with multi-port bus matrix, and an integrated 2D graphics accelerator (HQLINK/2D GFX). The device supports 1.08 V to 3.6 V supply operation, industrial -40C to +85C temperature range, and integrates high-speed USB Host/Device with on-chip PHY, dual CAN-FD controllers, and a 10/100 Ethernet MAC with IEEE 1588 support. On the architecture side, the ATSAME70N20B-CNT combines Cortex-M7 DSP instructions, MPU (Memory Protection Unit), and tightly-coupled SRAM (16 KB) for deterministic interrupt response. Multi-port SRAM enables simultaneous CPU and bus-master DMA access without contention, while the 2D graphics engine offloads GUI rendering for HMI panels. The peripheral DMA (PDC/XDMAC) reduces CPU load during high-bandwidth transfers such as LCD refresh or Ethernet throughput. Typical applications for the ATSAME70N20B-CNT include industrial motor control with FOC algorithms, building automation gateways with Ethernet, automotive infotainment HMIs, IoT edge gateways with TLS, and graphical HMI panels with TFT LCD. The 300 MHz CPU + FPU + DSP extensions deliver ample headroom for sensor fusion, FFT analysis, and PID loops running concurrently with TCP/IP stacks. When designing with this device, allocate decoupling capacitors close to each VDD pin pair (typically 100 nF + bulk), follow Microchip's SAME70 PCB layout guideline for TFBGA escape routing, and reserve the SWD/JTAG pins for firmware development. The internal voltage regulator requires a 4.7 uF bulk capacitor on VDDOUT to maintain stability under dynamic load. This page synthesizes distributor pricing, drop-in alternatives from the SAM E70/S70/V70/V71 family, and practical design notes not found in the manufacturer datasheet.

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ATSAME70N21A-AN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70N21A-AN

ATSAME70N21A-AN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip

The Microchip Technology ATSAME70N21A-AN is a 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), packaged in a 100-pin LQFP (14x14 mm). The device integrates 2 MB of embedded Flash and 384 KB of SRAM, targeting high-performance connected and industrial applications where deterministic real-time control is required. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable peripherals on a single silicon die. The ATSAME70N21A-AN belongs to the broader category of embedded microcontrollers (sub-class: 32-bit ARM Cortex-M7 MCUs), which sit within embedded processors > semiconductors > integrated circuits. ARM Cortex-M7 cores are specifically designed for deterministic microcontrollers with high computational throughput, DSP extensions, and tight interrupt latency, differentiating them from Cortex-M4 (which lacks the M7's dual-issue pipeline and TCM interfaces) and Cortex-A application processors (which target Linux-capable application processing). The SAM E70 series from Microchip/Atmel targets industrial connectivity, motor control, audio processing, and graphical HMI applications where designers need DSP-class math, fast context switching, and Ethernet/USB connectivity. Key specifications include a maximum CPU clock of 300 MHz with a double-precision FPU, IEEE 754-compliant single-precision FPU, 16 KB I-cache and 16 KB D-cache, and tightly-coupled memory (TCM) interfaces for low-latency deterministic code execution. The integrated 2 MB dual-bank Flash supports in-application programming, while 384 KB SRAM supports high-bandwidth DSP and graphics frame buffers. Communication peripherals include a 10/100 Mbps Ethernet MAC with 1588 PTP support, USB 2.0 Full-Speed + Hi-Speed with on-chip PHY, CAN-FD, and multiple USART/SPI/TWI/I2S blocks. The ATSAME70N21A-AN is built on a low-leakage process and operates from a 1.62 V to 3.6 V supply range, with separate VDDIO and VDDCORE rails allowing flexible I/O voltage scaling. Internal 8/16/32-bit timers, a 12-bit ADC up to 1.5 Msps, and a hardware crypto accelerator via the same AES engine are integrated for motor-control and secure-boot use cases. The architecture is supported by the SAME70 Xplained Pro board and Atmel Studio/Microchip Studio, plus the MPLAB Harmony 3 software framework for RTOS, USB stacks, and middleware integration. Typical applications include industrial motor drives (FOC for PMSM/BLDC), factory automation PLCs, automotive telematics (non-AEC-Q100 variants), medical instrumentation, audio processing via I2S, and graphical HMI displays. The integrated Ethernet MAC with 1588 timestamping also makes it well-suited for industrial IoT gateways and synchronized sensor networks.

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ATSAME70N21A-CN - ARM Cortex-M7 300MHz MCU 2MB Flash 100-TFBGA | Microchip
ATSAME70N21A-CN

ATSAME70N21A-CN - ARM Cortex-M7 300MHz MCU 2MB Flash 100-TFBGA | Microchip

The Microchip Technology ATSAME70N21A-CN is a 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 multi-port SRAM in a 100-pin TFBGA (9x9 mm) package. It is part of the SAM E70 family targeting high-performance embedded applications requiring DSP capability and Ethernet connectivity. An ARM Cortex-M7 MCU is a 32-bit microcontroller built on the ARMv7-M architecture with a Harvard bus, hardware single-precision and double-precision FPU, and tightly coupled memory for deterministic interrupt response. Compared with Cortex-M4 parts, Cortex-M7 adds a 6-stage superscalar pipeline, an instruction cache, and dedicated SIMD and double-precision FPU instructions, sitting between microcontroller and application-processor complexity while remaining deterministic and interrupt-driven. ATSAME70N21A-CN sits within the higher tier of Cortex-M7 microcontrollers on the market, balancing large on-chip memory with rich connectivity. The device features a 2 MB dual-bank Flash with read-while-write (RWW) capability, 384 KB of SRAM configurable as 4 blocks for simultaneous CPU/DMA/USB access, and a 4 KB user RAM that survives backup mode. High-speed peripherals include an integrated HS USB 2.0 PHY, 10/100 Mbps Ethernet MAC with IEEE 1588 support, two CAN-FD controllers, a 12-bit 2 Msps ADC, two 12-bit DACs, and multiple serial interfaces including USART, SPI, TWI, and SSC for audio. The graphics-friendly peripherals (LCD controller, camera interface via ISI, and I2S) position it well for HMI applications. The architecture pairs the 300 MHz Cortex-M7 with a multi-layer bus matrix, 16 KB instruction cache, and tightly coupled memory (Icache + Dcache) for deterministic real-time response at full clock. The integrated High-Speed USB 2.0 PHY eliminates an external ULPI bridge, while the EMAC supports RMII and MII PHY interfaces for 10/100 Ethernet with hardware timestamping for industrial protocols such as EtherCAT, PROFINET, and TSN. DSP instructions accelerate audio and motor-control loops without CPU saturation. Typical applications include industrial automation and EtherCAT slave controllers, building automation gateways, audio processing devices such as professional mixers and USB speakers, medical instrumentation requiring deterministic data acquisition, and HMI controllers with TFT touchscreens and camera input. The combination of FPU, large memory, Ethernet, and USB makes it a strong fit for connected IIoT edge nodes. When designing with ATSAME70N21A-CN, allocate decoupling capacitors close to the four VDDIO/VDDIN pairs, keep the high-speed USB D+/D- traces length-matched and 90 ohm differential impedance controlled, and refer to the SAM E70 datasheet's MII/RMII interface section for PHY-specific termination. For 300 MHz operation ensure the crystal or external reference meets the jitter mask in the electrical characteristics; a 12 MHz crystal with the on-chip PLL typically covers most designs. This page consolidates distributor pricing, verified drop-in alternatives from the SAM E70 family and competing Cortex-M7 lines, and practical hardware design notes not found on individual distributor listings. It is intended to accelerate BOM decisions, footprint reuse, and second-source qualification for industrial, audio, and IIoT designs based on the SAM E70 platform.

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ATSAME70N21A-CNT - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70N21A-CNT

ATSAME70N21A-CNT - 300MHz Cortex-M7 MCU 2MB Flash | Microchip

The Microchip Technology ATSAME70N21A-CNT is a high-performance 32-bit ARM Cortex-M7 microcontroller with Floating Point Unit (FPU), running up to 300 MHz and integrating 2 MB of Flash and 384 KB of SRAM in a 100-pin TFBGA (9x9 mm) package. This SAM E70 family device delivers 1500 CoreMark performance and includes a double-precision FPU, DSP extensions, and a tightly-coupled memory (TCM) interface for deterministic real-time response. What is a Cortex-M7 microcontroller? The ARM Cortex-M7 is the highest-performance Cortex-M core designed for embedded applications. It supersedes Cortex-M4 by adding a superscalar pipeline, branch prediction, and an optional double-precision FPU. Within the broader hierarchy, it sits between Cortex-M4 (digital signal control) and Cortex-A5 (entry-level application processors), occupying the high-performance microcontroller niche: industrial drives, audio processing, motor control, and graphics HMIs. Key features include 2 MB Flash, 384 KB SRAM, 16 KB instruction and 16 KB data cache, Ethernet MAC, HS USB with on-chip PHY, two CAN-FD controllers, and a 12-bit 2 MSPS ADC. The device also integrates a TFT LCD controller with 2D acceleration, image sensor interface, and hardware crypto accelerators (AES, SHA, TRNG), making it suitable for connected, graphics-rich embedded products. Typical applications span industrial automation (motor control, PLCs, gateway controllers), automotive infotainment and connectivity, building automation (HVAC, lighting, security panels), medical instrumentation, and IoT edge nodes requiring both deterministic control and high-throughput data processing. The wide peripheral set reduces external component count and BOM cost in connected designs. Design considerations for the ATSAME70N21A-CNT include decoupling the 100-TFBGA with at least four bulk 4.7 uF ceramics plus 0.1 uF high-frequency bypass placed within 2 mm of each power pin, providing a clean 3.3 V analog supply separate from digital 3.3 V for ADC SNR, and ensuring the exposed-pad DAP is soldered to a continuous ground plane for thermal dissipation (theta_JA approximately 31 C/W on a 4-layer JEDEC test board). This page synthesizes distributor pricing, drop-in same-package alternatives (ATSAME70N20A-CNT, ATSAME70N21B-CNT), and practical design notes that extend beyond the manufacturer datasheet summary.

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