ATSAME70J21B-AN

The ATSAME70J21B-AN is a Microchip/Atmel SAM E70 family 32‑bit MCU. It packs an ARM Cortex‑M7 core (with FPU) running up to about 300 MHz, designed for high‑performance, embedded control and connectivity.
Key features (overview):
- On‑chip memory: substantial Flash and SRAM (sizes depend on package)
- Peripherals: USB 2.0 (host/device/OTG), Ethernet MAC, CAN, multiple UART/SPI/I2C, timers, PWM, QSPI
- Analog: 12‑bit ADCs, DACs
- Security: hardware crypto engine (AES/DES, SHA) and TRNG; DMA and MPU for performance and protection
- Automotive grade variant: -AN indicates automotive qualification with extended temperature range
Typical uses: motor control, industrial automation, networking/communication gateways, and other safety‑critical or security‑sensitive embedded systems.
Development tools: Microchip Studio/MPLAB X, Atmel START, and the SAM Software Framework.
Note: For exact memory sizes, package options, and temperature ranges, consult the datasheet for ATSAME70J21B-AN.

Key features of ATSAME70J21B-AN:
- CPU: ARM Cortex-M7 core, up to 300 MHz, with FPU and DSP instructions.
- Memory (variant-dependent): on-chip Flash and RAM (sizes vary by device variant; typical in this family are large Flash and hundreds of KB RAM).
- Connectivity: USB 2.0 OTG (FS/HS) with on-chip PHY; Ethernet MAC; CAN 2.0B; multiple USART/UART, SPI, I2C, I2S.
- Analog peripherals: multiple 12-bit ADC channels and DACs.
- Timers and PWM: rich timer/counter and PWM peripherals.
- DMA/Interconnect: DMA Controller (DMAC) with EVSYS for peripheral-to-peripheral routing.
- Security: Cryptographic Engine with RNG, MPU and secure boot options (depending on variant).
- Power: advanced power management with multiple sleep/low-power modes.
- Debug/Development: SWD/JTAG debug support.
- Package/Grade: automotive/industrial-grade variant (ATSAME70J21B-AN) with suitable temperature range; supports typical MCU ecosystems.
Note: exact Flash/RAM sizes and some options vary by specific device variant; consult the datasheet for precise numbers.

The ATSAME70J21B-AN is available in a 144-pin LQFP package (14x14 mm).

Pin count: 208 pins (BGA208 package; pin count can vary with package). Function: A high‑performance 32‑bit ARM Cortex‑M7 microcontroller (SAM E70 family) with integrated peripherals such as USB, Ethernet MAC, CAN, USART/SPI/I2C, SD/MMC, and ADC/DAC, for embedded applications (up to ~300 MHz).

- Manufacturer: Microchip Technology Inc.
- What kind of company: A global semiconductor company that designs and manufactures microcontrollers, analog/mixed-signal ICs, memory, and embedded processing solutions (owns the Atmel product line).

Typical application areas for the ATSAME70J21B-AN:
- Industrial automation and control (PLCs, motor drives, servo controllers)
- Motor control and power electronics (BLDC/stepper drives, inverters)
- Automotive/vehicle networks (ECU, gateway, body electronics)
- Industrial IoT gateways, data acquisition, edge devices
- Building automation, HMI and instrumentation
- Robotics and intelligent machines requiring high-performance MCUs

Equivalent alternatives (cross‑vendor Cortex‑M7, ~300 MHz, 2 MB+ flash, rich peripherals):
- ST STM32H7 family (e.g., STM32H745/STM32H753)
- NXP i.MX RT1060/RT1050 family
Note: exact pinout, memory sizes, and peripherals (Ethernet, USB, CAN, cryptography, etc.) differ. Verify package/pin count and feature set to match your design. Within Microchip’s own SAM line, other E70/S70 members are similar but check specifications for your needs.