Model:ATSAMD20G18A-AU BRAND:Microchip description:IC MCU 32BIT 256KB FLASH 48TQFP pack:tray SERIES:SAM D20G status:in stock Core processor:ARM? Cortex?-M0+ Core specifications:32-位 Speed:48MHz Peripherals:Undervoltage detection/reset,POR,WDT I/O number:38 Program storage capacity:256KB(256K x 8) Program memory type:Flash memory EEPROM capacity:- RAM size:32K x 8 Voltage - powered by:1.62V ~ 3.6V Data converter:A/D 14x12b; D/A 1x10b Oscillator type:bosom Operating temperature:-40°C ~ 85°C(TA) Type of installation:Surface mount type Encapsulation/Shell:48-TQFP Supplier device packaging:48-TQFP(7x7)