ATMEGA644A-AU

Micros part number: ATM644a-au
Package: TQFP44
64kB-FL 4kB-RAM 2kB-EE 32I/O 1.8÷5.5V 20MHz 3xtimer 8A/D UART SPI TWI -40÷85°C Replacement for: ATMEGA644-20AU, ATMEGA644V-10AU
Parameters
Producer: MICROCHIP
Architecture: 8-bit
FLASH memory: 64kB
RAM memory: 4kB
EEPROM memory: 2kB
Number of I/O: 32
Supply voltage range: 1,8V~5,5V
         
 
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Item in delivery
Planowany termin:
2022-12-31
Quantity of pieces: 20
Producer: MICROCHIP
Architecture: 8-bit
FLASH memory: 64kB
RAM memory: 4kB
EEPROM memory: 2kB
Number of I/O: 32
Supply voltage range: 1,8V~5,5V
Częstotliwość: 20,000MHz
ADC: TAK
DAC: NIE
UART/USART interface: TAK
SPI interface: TAK
TWI (I2C) interface: TAK
CAN interface: NIE
ETERNET interface: NIE
USB interface: NIE
Encryption: NIE
Operating temperature (range): -40°C ~ 85°C
Housing: TQFP44
Detailed description



Micros Part Number

ATM644a-au

Manufacturer Part Number

ATMEGA644A-AU

Flash

64 Kbytes

Pin Count

44

Max. Operating Freq.

20 MHz

CPU

8-bit AVR

Max I/O Pins

32

SPI

3

UART

2

SRAM (Kbytes)

4

Self Program Memory

Tak

Operating Voltage (Vcc)

1.8 to 5.5

Timers

3

Watchdog

Yes