8-bit AVR microcontroller featuring 64KB FLASH memory and 4KB RAM. Operates at up to 16MHz with an 8-bit data bus. Offers 54 programmable I/O pins, 8 ADC channels, 1 I2C channel, 4 PWM channels, 1 SPI channel, and 3 timers/counters. Supports SPI and USART/UART interfaces, with internal oscillator and LCD peripheral. Packaged in a 64-TQFP surface mount case, operating from 1.8V to 5.5V supply voltage, with a temperature range of -40°C to 85°C.
Frequency16MHz
PackageA
MountingSurface Mount
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Technical Specifications
Microchip ATMEGA649A-AU technical specifications.
General
Package/Case
A
Core Architecture
AVR
Data Bus Width
8b
Frequency
16MHz
Height
1.05mm
Interface
SPI, USART, UART
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 Programmable I/O
54
Number of PWM Channels
4
Number of SPI Channels
1
Number of Timers/Counters
3
Oscillator Type
Internal
Package Quantity
90
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT, LCD
RAM Size
4KB
Reach SVHC Compliant
No
RoHS Compliant
Yes
Width
14.1mm
Compliance
RoHS
Compliant
Datasheet
Microchip ATMEGA649A-AU Datasheet
Download the complete datasheet for Microchip ATMEGA649A-AU to view detailed technical specifications.
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