Microchip Automotive SAM E51 series, ATSAME51N19A-AF, 32-bit ARM Cortex-M4F MCU, 120MHz, 512KB Flash, 192KB RAM, 81 I/O, CANbus, USB, 28x12b ADC, 2x12b DAC, -40°C to 125°C, 100-TQFP.
| Parameter | Value |
|---|---|
| Series | Automotive, AEC-Q100, SAM E51 |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 1.71V ~ 3.63V |
| Operating temperature | -40°C~125°C(TA) |
| Speed | 120MHz |
| Package | Tray |
| RAM size | 192K x 8 |
| Core size | 32-Bit Single-Core |
| Peripherals | Brown-out Detect/Reset, DMA, I²S, POR, PWM |
| Connectivity | CANbus, EBI/EMI, I²C, IrDA, LINbus, MMC/SD, QSPI, SPI, UART/USART, USB |
| Number of i (O) | 81 |
| Core processor | ARM® Cortex®-M4F |
| Case | 100-TQFP |
| Data converters | A/D 28x12b; D/A 2x12b |
| Program memory size | 512KB (512K x 8) |
It runs at 120 MHz with a single-cycle multiply-accumulate and hardware floating-point unit, so control loops and sensor fusion algorithms execute without a separate DSP or coprocessor.
Brown-out detect and POR are integrated, so the reset circuit is minimal — just a decoupling capacitor and a pull-up on the reset pin.
Microchip lists the ATSAME51N19A-AF as Active (current production).
The suffix -AF indicates a 100-TQFP tray-packaged variant; -MF is the same die in a different package or reel option. Both share the same core, memory, and AEC-Q100 qualification. Check the specific package code against your board footprint.
Yes, it is part of the Automotive SAM E51 series and carries AEC-Q100 qualification, suitable for under-hood and chassis-domain applications.