Microchip ATMEGA644A-AU, 8bit AVR Microcontroller, ATmega, 20MHz, 2 kB, 64 kB Flash, 44-Pin TQFP

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RS Stock No.:
715-3814
Mfr. Part No.:
ATMEGA644A-AU
Brand:
Microchip
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Brand

Microchip

Family Name

ATmega

Package Type

TQFP

Mounting Type

Surface Mount

Pin Count

44

Device Core

AVR

Data Bus Width

8bit

Program Memory Size

2 kB, 64 kB

Maximum Frequency

20MHz

RAM Size

4 kB

Number of PWM Units

1

Number of SPI Channels

1

Number of CAN Channels

0

Number of UART Channels

0

Number of USART Channels

2

Typical Operating Supply Voltage

1.8 → 5.5 V

Number of I2C Channels

1

Number of PCI Channels

0

Width

10mm

ADCs

8 x 10 bit

Length

10mm

Maximum Operating Temperature

+85 °C

Height

1.05mm

Minimum Operating Temperature

-40 °C

Number of Ethernet Channels

0

Program Memory Type

Flash

Number of LIN Channels

0

Dimensions

10 x 10 x 1.05mm

Number of ADC Units

1

Instruction Set Architecture

RISC

Pulse Width Modulation

1(6 Channel)

8-Bit megaAVR Microcontrollers, 32KB to 256KB Flash


Here at RS Components we have various megaAVR 8-bit microcontrollers from Atmel. Each of the microcontrollers is based on an enhanced RISC architecture and feature QTouch library support. All the microcontroller types have varying Kb of In-System Programmable Flash, EEPROM and SRAM as well as varying pin and package types.

Types of megaAVR 8-bit microcontrollers
•ATmega32
•ATmega64
•ATmega128
•ATmega324
•ATmega325
•ATmega406
•ATmega640
•ATmega644
•ATmega645
•ATmega1280
•ATmega1281
•ATmega1284
•ATmega2560
•ATmega2561
•ATmega3250
•ATmega6450