Model:ATXMEGA128D4-MHR BRAND:Microchip description:IC MCU 8/16BIT 128KB FLSH 44VQFN pack:tape(TR),Shear zone(CT),Digi-Reel? SERIES:AVR? XMEGA? D4 status:in stock Core processor:AVR Core specifications:8/16-位 Speed:32MHz Peripherals:Undervoltage detection/reset,POR,PWM,WDT I/O number:34 Program storage capacity:128KB(64K x 16) Program memory type:Flash memory EEPROM capacity:2K x 8 RAM size:8K x 8 Voltage - powered by:1.6V ~ 3.6V Data converter:A/D 12x12b Oscillator type:bosom Operating temperature:-40°C ~ 85°C(TA) Type of installation:Surface mount type Encapsulation/Shell:44-VFQFN Exposed pad Supplier device packaging:44-VQFN(7x7)