8-bit AVR microcontroller featuring 128KB FLASH memory and 4KB RAM. Operates at up to 16MHz with an 8-bit data bus. Offers 53 I/Os, 8 ADC channels, 8 PWM channels, and multiple communication interfaces including I2C, SPI, and UART. Designed for surface mount with a 64-TQFP package, operating from 2.7V to 5.5V.
Frequency16MHz
PackageA
Voltage5V
MountingSurface Mount
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Technical Specifications
Microchip ATMEGA128A-AU technical specifications.
General
Package/Case
A
Core Architecture
AVR
Data Bus Width
8b
Density
128KB
Frequency
16MHz
Height
1.05mm
Interface
I2C, SPI, UART, USART, EBI/EMI
Lead Free
Lead Free
Length
14.1mm
Max Frequency
16MHz
Max Operating Temperature
85°C
Max Supply Voltage
5.5V
Memory Size
128KB
Memory Type
FLASH,
Min Operating Temperature
-40°C
Min Supply Voltage
2.7V
Mount
Surface Mount
Number of ADC Channels
8
Number of I/Os
53
Number of I2C Channels
1
Number of PWM Channels
8
Number of SPI Channels
1
Number of Timers/Counters
4
Number of UART Channels
2
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
Termination
SMD/SMT
Voltage
5V
Width
14.1mm
Compliance
RoHS
Compliant
Datasheet
Microchip ATMEGA128A-AU Datasheet
Download the complete datasheet for Microchip ATMEGA128A-AU to view detailed technical specifications.
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