8-bit RISC microcontroller featuring an AVR RISC CPU operating at up to 20MHz. This FLASH-programmable device offers 32KB of ROM and 4KB of RAM, with 32 I/O lines. It includes PWM channels and an ADC, operating within an industrial temperature range of -40°C to 85°C. The component is housed in a 44-terminal PQFP package (10x10mm) with a 0.80mm pitch, requiring a supply voltage between 4.5V and 5.5V.
Frequency20
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Technical Specifications
Atmel ATMEGA644A-AU technical specifications.
General
Max Operating Temperature
85
Number of Terminals
44
Min Operating Temperature
-40
Terminal Position
QUAD
JEDEC Package Code
S-PQFP-G44
Width
10
Length
10
Pin Count
44
Temperature Grade
INDUSTRIAL
Supply Current-Max
9
Supply Voltage-Nom
5
Supply Voltage-Min
4.5
Supply Voltage-Max
5.5
Clock Frequency-Max
20
uPs/uCs/Peripheral ICs Type
MICROCONTROLLER, RISC
Number of I/O Lines
32
External Data Bus Width
0
Address Bus Width
0
Bit Size
8
Speed
20
ROM Programmability
FLASH
ROM (words)
32768
RAM (bytes)
4096
PWM Channels
YES
Has ADC
YES
DMA Channels
NO
DAC Channels
NO
Compliance
RoHS
Yes
Eccn Code
EAR99
HTS Code
8542.31.00.01
REACH
Compliant
Military Spec
False
Datasheet
Atmel ATMEGA644A-AU Datasheet
Download the complete datasheet for Atmel ATMEGA644A-AU to view detailed technical specifications.
This datasheet cannot be embedded due to technical restrictions.