Model:ATSAML21J17B-UUT BRAND:Microchip description:IC MCU 32BIT 128KB FLASH 64WLCSP pack:tape(TR),Shear zone(CT),Digi-Reel? SERIES:SAM L21J, Functional Safety (FuSa) status:in stock Core processor:ARM? Cortex?-M0+ Core specifications:32-位 Speed:48MHz Peripherals:DMA,POR,PWM,WDT I/O number:51 Program storage capacity:128KB(128K x 8) Program memory type:Flash memory EEPROM capacity:- RAM size:16K 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-XFBGA,WLCSP Supplier device packaging:64-WLCSP(4.31x4.43)