Model:ATSAML21J18A-AUT BRAND:Microchip description:IC MCU 32BIT 256KB FLASH 64TQFP pack:tape(TR),Shear zone(CT),Digi-Reel? SERIES:SAM L21J status:Digi-Key Stop offering Core processor:ARM? Cortex?-M0+ Core specifications:32-位 Speed:48MHz Peripherals:DMA,POR,PWM,WDT I/O number:51 Program storage capacity:256KB(256K x 8) Program memory type:Flash memory EEPROM capacity:- RAM size:32K x 8 Voltage - powered by:1.62V ~ 3.63V Data converter:A/D 20x12b;D/A 2x12b Oscillator type:bosom Operating temperature:-40°C ~ 85°C(TA) Type of installation:Surface mount type Encapsulation/Shell:64-TQFP Supplier device packaging:64-TQFP(10x10)