Datasheets

ATMEGA644-20MU

Connectivity :

I²C, SPI, UART/USART

Core Processor :

AVR

Core Size :

8-Bit

Data Converters :

A/D 8x10b

EEPROM Size :

2K x 8

Mounting Type :

Surface Mount

Number of I/O :

32

Operating Temperature :

-40°C ~ 85°C (TA)

Oscillator Type :

Internal

Package / Case :

44-VFQFN Exposed Pad

Part Status :

Active

Peripherals :

Brown-out Detect/Reset, POR, PWM, WDT

Program Memory Size :

64KB (32K x 16)

Program Memory Type :

Flash

RAM Size :

4K x 8

Speed :

20MHz

Supplier Device Package :

44-VQFN (7x7)

Voltage - Supply (Vcc/Vdd) :

2.7V ~ 5.5V