ATXMEGA256A3-MH Part Information

Details for ATXMEGA256A3-MH by Microchip Technology

ATxmega256A3

Part Description

Low power, high performance 8/16-bit AVR microcontroller featuring 256KB self-programming flash program memory, 8KB boot code section, 16KB SRAM, 4096-byte EEPROM, 4-channel DMA controller, 8-channel event system. It also includes dual 12-bit ADC, 2 12-bit DAC channels, 4 analog comparators, AES and DES crypto engines, 7 16-bit timer/counters, 6 USART, 2 SPI, and 2 TWIs, RTC battery backup system, 4-channel DMA controller, and 8-channel event system. The device can be used in a wide range of applications, such as building, industrial, motor, board, and climate control; hand-held battery applications; factory automation; power tools; HVAC; networking, metering, large home appliances, and optical and medical devices. This ATxmega series features 64-pin packages.

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Part Specifications

Family AVR ATxmega
Part Family AVR_ATxmega_A
Part Prefix ATxmega
Architecture 8
Core 8-bit AVR
MaxSpeed (MHz) 32
CPU Type 8-bit AVR
CPU Speed (MIPS/DMIPS) 32
Program Memory Type Flash
SelfWrite Yes
Program Memory Size (KB) 256
Program Memory Size (KWords) 256
Multiple Flash Panels True
Secure Bootloader (CodeGuard™ Security) None
RAM (KB) 16
Data EEPROM (bytes) 4096
Direct Memory Access (DMA) Channels 4
Temp. Range Min. -40
Temp. Range Max. 85
Operation Voltage Min.(V) 1.6
Operation Voltage Max.(V) 3.6
Max I/O Pins 50
Pin Count 64
Power On Reset (POR) Yes
Internal Oscillator Yes
Low Power Yes
Number of Comparators 4
ADC Channels 16
Diff ADC Inputs 32
Max ADC Sampling Rate (ksps) 2000
Max ADC Resolution (bits) 12
Max ADC Sample/Hold (S/H) 1
DAC outputs 2
Max DAC Resolution (bits) 12
Temp Sensor Yes
Standard UART 7
SPI™ 10
I2C 2
Hardware RTCC Yes
Watch Dog Timers (WDT) Yes
Timers 7
Stand alone PWM 22
Capture/Compare/PWM (CCP) 22
Standalone Output Compare/ Standard PWM 22
Input Capture 22
Max # PWM outputs (including complementary outputs) 22
Output Compare Channels 22
USB Interface None
Type of CAN module None
Ethernet None
Integrated Wireless Frequency None
Wireless Technology None
Crypto Engine Yes
JTAG Debug/Program/Boundary Scan
Debug Interface JTAG and PDI
Temperature Range -40C to +85C

Alternative Part Descriptions

  • MCU AVR XMEGA 256K+8K Flash 4K 16K QFN64 | RS Components
  • 64QFN, IND TEMP, GREEN, 1.6-3.6V ROHS COMPLIANT: YES | Newark Electronics
  • MCU 8-bit/16-bit XMEGA AVR RISC 256KB Flash 1.8V/2.5V/3.3V 64-Pin QFN EP | Avnet America
  • MCU 8-bit/16-bit XMEGA AVR RISC 256KB Flash 1.8V/2.5V/3.3V 64-Pin QFN EP | Avnet Europe
  • XMEGA Series 256 KB Flash 16 KB SRAM 32 MHz 8/16-Bit Microcontroller - QFN-64 | Future Electronics

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