Model:AT91R40008-66AI BRAND:Microchip description:IC MCU 16/32BIT ROMLESS 100TQFP pack:tray SERIES:AT91 status:Discontinued Core processor:ARM7? Core specifications:16/32-位 Speed:66MHz Peripherals:POR,WDT I/O number:32 Program storage capacity:- Program memory type:ROMless EEPROM capacity:- RAM size:256K x 8 Voltage - powered by:1.65V ~ 1.95V Data converter:- Oscillator type:外部 Operating temperature:-40°C ~ 85°C(TA) Type of installation:Surface mount type Encapsulation/Shell:100-TQFP Supplier device packaging:100-TQFP(14x14)