ATSAMD51J20A-MUT

The ATSAMD51J20A-MUT is Microchip’s SAM D51 family 32‑bit microcontroller based on the ARM Cortex‑M4F core. It is designed for high‑performance embedded applications with a rich peripheral set.
Key points
- Core and speed: ARM Cortex‑M4F with floating point, up to about 120 MHz.
- Memory: typically up to 1 MB Flash and up to 256 KB RAM (exact amounts depend on the device variant).
- Peripherals: USB 2.0 Full‑Speed, multiple SERCOMs (SPI/I2C/UART), I2S, ADCs (12‑bit, with multiple channels), DMA (DMAC), timers, PWM, and other common microcontroller peripherals.
- Power and sleep: multiple low‑power modes with fast wakeup, suitable for battery‑powered or energy‑sensitive apps.
- Development: supported by Microchip tools (MPLAB X, MCC, Harmony/Code Configurator) and CMSIS/DAP/debuggers.
- Packaging: MUT suffix denotes a specific package/temperature variant; check the datasheet for exact pinout, package type, and operating temperature range.
Use cases: USB devices, audio, motor control, and other demanding embedded applications needing performance and peripherals in a small form factor.

Key features of ATSAMD51J20A-MUT (SAMD51 family):
- CPU: 32-bit ARM Cortex-M4F core, up to 120 MHz, with FPU and DSP instructions
- Memory: up to 1 MB flash, up to 256 KB SRAM; EEPROM emulation in flash
- USB: USB 2.0 Full-Speed device with on-chip PHY
- SERCOM: multiple serial peripherals (USART/UART, SPI, I2C) with DMA support
- ADC/DAC: 12-bit ADC with multiple channels; 12-bit DAC (where available on variant)
- DMAC: Direct Memory Access controller with multiple channels
- Timers: several 16/32-bit timers and PWM outputs
- Event System: cross-peripheral event routing to minimize CPU load
- Power: wide operating voltage (typically ~1.62–3.63 V) with multiple sleep/idle/deep-sleep modes
- I/O: a generous number of pins (package-dependent), peripheral multiplexing
- Debug/Boot: SWD/JTAG debug support; bootloader capability and standard safety features (watchdog, BOR)
Note: exact memory size, pin count, and some peripherals vary by package and revision; verify against the specific datasheet for MUT package.

LQFP-100 (100-pin) package.

- Pin count: 144 pins (MUT package).
- Function: Microcontroller—32‑bit ARM Cortex‑M4F (SAMD51 family) with onboard flash and RAM, USB, SERCOM, I2C/SPI, ADC/DAC, PWM, etc.

Manufacturer: Microchip Technology Inc.
Company type: An American multinational semiconductor company that designs, manufactures, and sells microcontrollers (including the SAM family), memory, and analog ICs for embedded systems, serving a wide range of industries with embedded processing solutions.

ATSAMD51J20A-MUT is a high-performance ARM Cortex‑M4F MCU (DSP/FPU) up to 120 MHz with rich peripherals. Common applications include:
- IoT edge devices and gateways
- Industrial automation and control
- Motor control and robotics
- USB/audio peripherals and interfaces
- Consumer electronics, wearables, sensing and medical devices
- Home automation and smart devices