8-bit AVR microcontroller featuring 64KB FLASH memory and 4KB RAM. Operates at up to 16MHz with an 8-bit data bus width. Offers 54 I/Os, 8 ADC channels, 4 PWM channels, 3 timers/counters, and SPI, UART, and I2C interfaces. Internal oscillator and surface mount package. Operating temperature range of -40°C to 85°C with a supply voltage from 1.8V to 5.5V.
Frequency16MHz
PackageA
MountingSurface Mount
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Technical Specifications
Microchip ATMEGA645A-AU technical specifications.
General
Package/Case
A
Core Architecture
AVR
Data Bus Width
8b
Frequency
16MHz
Height
1.05mm
Interface
SPI, UART, USART
Length
14.1mm
Max Frequency
16MHz
Max Operating Temperature
85°C
Min Operating Temperature
-40°C
Max Supply Voltage
5.5V
Memory Size
64KB
Memory Type
FLASH,
Min Supply Voltage
1.8V
Mount
Surface Mount
Number of ADC Channels
8
Number of I/Os
54
Number of I2C Channels
1
Number of PWM Channels
4
Number of SPI Channels
1
Number of Timers/Counters
3
Oscillator Type
Internal
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Radiation Hardening
No
RAM Size
4KB
Reach SVHC Compliant
No
RoHS Compliant
Yes
Series
AVR® ATmega
Width
14.1mm
Compliance
RoHS
Compliant
Datasheet
Microchip ATMEGA645A-AU Datasheet
Download the complete datasheet for Microchip ATMEGA645A-AU to view detailed technical specifications.
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