Model:AT91SAM7S64-AU-001 BRAND:Microchip description:IC MCU 16/32BIT 64KB FLSH 64LQFP pack:tray SERIES:SAM7S status:Discontinued Core processor:ARM7? Core specifications:16/32-位 Speed:55MHz Peripherals:Undervoltage detection/reset,POR,PWM,WDT I/O number:32 Program storage capacity:64KB(64K x 8) Program memory type:Flash memory EEPROM capacity:- RAM size:16K 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:64-LQFP Supplier device packaging:64-LQFP(10x10)