Microcontrollers - MCUs
ATXMEGA256A3U-AU | Atmel XMEGA A3U Microcontroller
MCU 8-bit/16-bit AVR RISC 256KB Flash 1.8V/2.5V/3.3V 64-Pin TQFP Tray
Microchip TechnologyProduct Technical Specifications
EU RoHS
Compliant
ECCN (US)
3A991a.2.
Part Status
Active
HTS
8542.31.00.15
SVHC
Yes
Automotive
No
PPAP
No
Family Name
XMEGA
Instruction Set Architecture
RISC
Device Core
AVR
Core Architecture
AVR
Maximum CPU Frequency (MHz)
32
Maximum Clock Rate (MHz)
32
Data Bus Width (bit)
8|16
Program Memory Type
Flash
Program Memory Size
256KB
RAM Size
16KB
Maximum Expanded Memory Size
16MB
Programmability
Yes
Interface Type
SPI/TWI/USART/USB
Number of I/Os
50
No. of Timers
7
Number of ADCs
2
ADC Channels
16/16
ADC Resolution (bit)
12/12
Number of DACs
1
DAC Channels
2
DAC Resolution (bit)
12
USART
7
UART
0
USB
1
SPI
3
I2C
0
I2S
0
CAN
0
Ethernet
0
Watchdog
1
Analog Comparators
4
Minimum Operating Supply Voltage (V)
1.6
Typical Operating Supply Voltage (V)
1.8|2.5|3.3
Maximum Operating Supply Voltage (V)
3.6
Minimum Operating Temperature (°C)
-40
Maximum Operating Temperature (°C)
85
Packaging
Tray
Mounting
Surface Mount
Package Height
1.05(Max)
Package Width
14.1(Max)
Package Length
14.1(Max)
PCB changed
64
Standard Package Name
QFP
Supplier Package
TQFP
Pin Count
64
Lead Shape
Gull-wing

