Atmel ATMEGA644-20PU, 8bit AVR Microcontroller, ATmega, 20MHz, 64 kB Flash, 40-Pin PDIP

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Family Name

ATmega

Package Type

PDIP

Mounting Type

Through Hole

Pin Count

40

Device Core

AVR

Data Bus Width

8bit

Program Memory Size

64 kB

Maximum Frequency

20MHz

RAM Size

2 kB, 4 kB

Number of PWM Units

1

Number of SPI Channels

1

Typical Operating Supply Voltage

2.7 → 5.5 V

Number of CAN Channels

0

Number of USART Channels

1

Number of UART Channels

0

Number of I2C Channels

1

Pulse Width Modulation

1(6 Channel)

Instruction Set Architecture

RISC

Number of ADC Units

1

Maximum Operating Temperature

+85 °C

Width

13.97mm

Maximum Number of Ethernet Channels

0

Minimum Operating Temperature

-40 °C

Height

4.826mm

Number of LIN Channels

0

Dimensions

52.58 x 13.97 x 4.826mm

Program Memory Type

Flash

Length

52.58mm

ADCs

8 x 10 bit

Number of Ethernet Channels

0

Number of PCI Channels

0