ATXMEGA256A3-MH Atmel, ATXMEGA256A3-MH Datasheet - Page 51
![MCU AVR 256K FLASH 1.8V 64-QFN](/photos/12/13/121326/313-64-qfn_sml.jpg)
ATXMEGA256A3-MH
Manufacturer Part Number
ATXMEGA256A3-MH
Description
MCU AVR 256K FLASH 1.8V 64-QFN
Manufacturer
Atmel
Series
AVR® XMEGAr
Datasheet
1.ATXMEGA64A3-MH.pdf
(134 pages)
Specifications of ATXMEGA256A3-MH
Core Processor
AVR
Core Size
8/16-Bit
Speed
32MHz
Connectivity
I²C, IrDA, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
50
Program Memory Size
256KB (128K x 16)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.6 V ~ 3.6 V
Data Converters
A/D 16x12b; D/A 2x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-MLF®, 64-QFN
Processor Series
ATXMEGA256x
Core
AVR8
Data Bus Width
8 bit, 16 bit
Data Ram Size
16 KB
Interface Type
I2C, SPI, USART
Maximum Clock Frequency
32 MHz
Number Of Programmable I/os
50
Number Of Timers
8
Operating Supply Voltage
1.6 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 40 C
On-chip Adc
8 bit, 2 Channel
On-chip Dac
2 bit, 1 Channel
Package
64QFN EP
Device Core
AVR
Family Name
XMEGA
Maximum Speed
32 MHz
For Use With
ATSTK600-TQFP64 - STK600 SOCKET/ADAPTER 64-TQFPATAVRONEKIT - KIT AVR/AVR32 DEBUGGER/PROGRMMR770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATAVRISP2 - PROGRAMMER AVR IN SYSTEM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
ATXMEGA256A3-MU
ATXMEGA256A3-MU
ATXMEGA256A3-MU
30.2
Table 30-1.
Table 30-2.
8068T–AVR–12/10
PORT A
GND
AVCC
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
PORT B
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
GND
VCC
Alternate Pin Functions
PIN #
PIN #
60
61
62
63
64
10
11
12
13
14
15
1
2
3
4
5
6
7
8
9
Port A - Alternate functions
Port B - Alternate functions
SYNC/ASYNC
SYNC/ASYNC
INTERRUPT
INTERRUPT
SYNC
SYNC
SYNC
SYNC
SYNC
SYNC
SYNC
SYNC
SYNC
SYNC
SYNC
SYNC
SYNC
SYNC
The tables below show the main and alternate pin functions for all pins on each port. They also
show which peripheral that makes use of or enables the alternate pin function.
ADCB
ADCA POS
POS
ADC0
ADC1
ADC2
ADC3
ADC4
ADC5
ADC6
ADC7
ADC0
ADC1
ADC2
ADC3
ADC4
ADC5
ADC6
ADC7
ADCB
NEG
ADC0
ADC1
ADC2
ADC3
ADCA NEG
ADC0
ADC1
ADC2
ADC3
GAINPOS
ADCB
ADC0
ADC1
ADC2
ADC3
ADC4
ADC5
ADC6
ADC7
GAINPOS
GAINNEG
ADAA
ADC0
ADC1
ADC2
ADC3
ADC4
ADC5
ADC6
ADC7
ADCB
ADC4
ADC5
ADC6
ADC7
ACB POS
GAINNEG
AC0
AC1
AC2
AC3
AC4
AC5
AC6
ADCA
ADC4
ADC5
ADC6
ADC7
ACB NEG
AC0
AC1
AC3
AC5
AC7
ACA POS
AC1
AC2
AC3
AC5
AC0
AC4
AC6
ACB OUT
AC0 OUT
ACA NEG
AC0
AC1
AC3
AC5
AC7
DACB
DAC0
DAC1
XMEGA A3
ACA OUT
AC0 OUT
REFB
AREF
REFA
AREF
JTAG
TMS
TDO
TCK
TDI
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