ATXMEGA256A3-MH Atmel, ATXMEGA256A3-MH Datasheet - Page 49
![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. Pinout and Pin Functions
30.1
30.1.1
30.1.2
30.1.3
30.1.4
8068T–AVR–12/10
Alternate Pin Function Description
Operation/Power Supply
Port Interrupt functions
Analog functions
Timer/Counter and AWEX functions
The pinout of XMEGA A3 is shown in
pin may have several function. This will depend on which peripheral is enabled and connected to
the actual pin. Only one of the alternate pin functions can be used at time.
The tables below show the notation for all pin functions available and describe its function.
VCC
AVCC
GND
SYNC
ASYNC
ACn
AC0OUT
ADCn
DACn
AREF
OCnx
OCnx
OCnxLS
OCnxHS
Digital supply voltage
Ground
Port pin with full synchronous and limited asynchronous interrupt function
Analog to Digital Converter input pin n
Analog Reference input pin
Output Compare Channel x for Timer/Counter n
Output Compare Channel x Low Side for Timer/Counter n
Output Compare Channel x High Side for Timer/Counter n
Analog supply voltage
Port pin with full synchronous and full asynchronous interrupt function
Analog Comparator input pin n
Analog Comparator 0 Output
Digital to Analog Converter output pin n
Inverted Output Compare Channel x for Timer/Counter n
”” on page
2. In addition to general I/O functionality, each
XMEGA A3
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