Model:AT91SAM7X256-AU-999 BRAND:Microchip description:IC MCU 16/32B 256KB FLSH 100LQFP pack:tape(TR) SERIES:SAM7X status:Discontinued Core processor:ARM7? Core specifications:16/32-位 Speed:55MHz Peripherals:Undervoltage detection/reset,DMA,POR,PWM,WDT I/O number:62 Program storage capacity:256KB(256K x 8) Program memory type:Flash memory EEPROM capacity:- RAM size:64K x 8 Voltage - powered by:1.65V ~ 1.95V Data converter:A/D 8x10b Oscillator type:bosom Operating temperature:-40°C ~ 85°C(TA) Type of installation:Surface mount type Encapsulation/Shell:100-LQFP Supplier device packaging:100-LQFP(14x14)