Model:ATMEGA644P-15AT1 BRAND:Microchip description:IC MCU 8BIT 64KB FLASH 44TQFP pack:tape(TR) SERIES:Automotive, AEC-Q100, AVR? ATmega status:Discontinued Core processor:AVR Core specifications:8-bit Speed:16MHz Peripherals:Undervoltage detection/reset,POR,PWM,WDT I/O number:32 Program storage capacity:64KB(32K x 16) Program memory type:Flash memory EEPROM capacity:2K x 8 RAM size:4K x 8 Voltage - powered by:2.7V ~ 5.5V Data converter:A/D 8x10b Oscillator type:bosom Operating temperature:-40°C ~ 105°C(TA) Type of installation:Surface mount type Encapsulation/Shell:44-TQFP Supplier device packaging:44-TQFP(10x10)