ATXMEGA256A3-AU Atmel, ATXMEGA256A3-AU Datasheet - Page 132
![MCU AVR 256K FLASH 1.8V 64-TQFP](/photos/12/13/121332/313-64-tqfp_sml.jpg)
ATXMEGA256A3-AU
Manufacturer Part Number
ATXMEGA256A3-AU
Description
MCU AVR 256K FLASH 1.8V 64-TQFP
Manufacturer
Atmel
Series
AVR® XMEGAr
Datasheet
1.ATXMEGA64A3-MH.pdf
(134 pages)
Specifications of ATXMEGA256A3-AU
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-TQFP, 64-VQFP
Package
64TQFP
Device Core
AVR
Family Name
XMEGA
Maximum Speed
32 MHz
Operating Supply Voltage
1.8|2.5|3.3 V
Data Bus Width
8|16 Bit
Number Of Programmable I/os
50
Interface Type
SPI/TWI/USART
On-chip Adc
2(8-chx12-bit)
On-chip Dac
2-chx12-bit
Number Of Timers
7
Processor Series
ATXMEGA256x
Core
AVR8
Data Ram Size
16 KB
Maximum Clock Frequency
32 MHz
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
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATXMEGA256A3-AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Part Number:
ATXMEGA256A3-AUR
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
iv
XMEGA A3
30 Pinout and Pin Functions ...................................................................... 49
31 Peripheral Module Address Map .......................................................... 56
32 Instruction Set Summary ...................................................................... 57
33 Packaging information .......................................................................... 61
34 Electrical Characteristics ...................................................................... 63
35 Typical Characteristics .......................................................................... 72
29.1Features ................................................................................................................48
29.2Overview ...............................................................................................................48
29.3IEEE 1149.1 (JTAG) Boundary-scan ....................................................................48
30.1Alternate Pin Function Description ........................................................................49
30.2Alternate Pin Functions .........................................................................................51
33.164A ........................................................................................................................61
33.264M2 .....................................................................................................................62
34.1Absolute Maximum Ratings* .................................................................................63
34.2DC Characteristics ................................................................................................63
34.3Operating Voltage and Frequency ........................................................................65
34.4Flash and EEPROM Memory Characteristics .......................................................66
34.5ADC Characteristics ..............................................................................................67
34.6DAC Characteristics ..............................................................................................68
34.7Analog Comparator Characteristics .......................................................................68
34.8Bandgap Characteristics .......................................................................................68
34.9Brownout Detection Characteristics ......................................................................69
34.10PAD Characteristics ............................................................................................69
34.11POR Characteristics ............................................................................................70
34.12Reset Characteristics ..........................................................................................70
34.13Oscillator Characteristics .....................................................................................70
35.1Active Supply Current ............................................................................................72
35.2Idle Supply Current ................................................................................................75
35.3Power-down Supply Current .................................................................................79
35.4Power-save Supply Current ..................................................................................80
35.5Pin Pull-up .............................................................................................................80
35.6Pin Output Voltage vs. Sink/Source Current .........................................................82
35.7Pin Thresholds and Hysteresis ..............................................................................85
35.8Bod Thresholds .....................................................................................................87
8068T–AVR–12/10