Model:ATSAMD51N20A-AU BRAND:Microchip description:IC MCU 32BIT 1MB FLASH 100TQFP pack:tray SERIES:SAM D51 status:in stock Core processor:ARM? Cortex?-M4F Core specifications:32-位 Speed:120MHz Peripherals:Undervoltage detection/reset,DMA,I2S,POR,PWM I/O number:81 Program storage capacity:1MB(1M x 8) Program memory type:Flash memory EEPROM capacity:- RAM size:256K x 8 Voltage - powered by:1.71V ~ 3.63V Data converter:A/D 28x12b; D/A 2x12b Oscillator type:bosom Operating temperature:-40°C ~ 85°C(TA) Type of installation:Surface mount type Encapsulation/Shell:100-TQFP Supplier device packaging:100-TQFP(14x14)