8-bit AVR microcontroller featuring 256KB FLASH memory and 16KB RAM. Operates at up to 32MHz with a 1.6V to 3.6V supply voltage range. Offers 50 I/Os, 22 PWM channels, 7 timers/counters, and multiple communication interfaces including I2C, SPI, UART, and USART. Packaged in a 64-pin QFN (9.1mm x 9.1mm x 0.95mm) for surface mounting. Includes integrated peripherals like DMA, Brown-out Detect, POR, and WDT.
Frequency32MHz
PackageQFN
MountingSurface Mount
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Technical Specifications
Microchip ATXMEGA256A3-MH technical specifications.
General
Package/Case
QFN
Core Architecture
AVR
Frequency
32MHz
Height
0.95mm
Interface
I2C, SPI, IrDA, UART, USART
Lead Free
Lead Free
Length
9.1mm
Max Frequency
32MHz
Max Operating Temperature
85°C
Memory Size
256KB
Memory Type
FLASH,
Min Operating Temperature
-40°C
Max Supply Voltage
3.6V
Min Supply Voltage
1.6V
Mount
Surface Mount
Number of ADC Channels
8
Number of I/Os
50
Number of I2C Channels
2
Number of PWM Channels
22
Number of SPI Channels
3
Number of Timers/Counters
7
Oscillator Type
Internal
Packaging
Tray
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT, DMA
Radiation Hardening
No
RAM Size
16KB
Reach SVHC Compliant
No
RoHS Compliant
Yes
Series
AVR® XMEGA® A3
Watchdog Timer
Yes
Width
9.1mm
Compliance
RoHS
Compliant
Datasheet
Microchip ATXMEGA256A3-MH Datasheet
Download the complete datasheet for Microchip ATXMEGA256A3-MH to view detailed technical specifications.
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