ATXMEGA256A3-AU Atmel, ATXMEGA256A3-AU Datasheet - Page 124
![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
37. Datasheet Revision History
37.1
37.2
37.3
8068T–AVR–12/10
8068T – 12/10
8068S – 09/10
8068R – 08/10
Please note that the referring page numbers in this section are referred to this document. The
referring revision in this section are referring to the document revision.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
Datasheet status changed to complete: Preliminary removed from the front page.
Updated all tables in the
Updated
Replaced
Replaced
Added ERRATA
Added ERRATA
Updated ERRATA for ADC (ADC has increased INL error for some operating conditions).
Updated the last page by Atmel new Brand Style Guide.
Updated
Updated the Footnote 3 of
Updated Footnote 2 of
Updated
Updated
Updated
Programming.
Added AVCC in
Updated Start up time in
Updated
Updated
Fixed typo in
”Packaging information” on page
”Errata” on page
”Data Memory Map (Hexadecimal address)” on page
”Features” on page
”Absolute Maximum Ratings*” on page 63
”DAC Characteristics” on page
Figure 35-6 on page
Table 34-11 on page 69
Table 34-18 on page 71
“Errata”
”ADC Characteristics” on page
“rev. E”
“rev. B”
section.
Figure 2-1 on page
.
.
“Electrical Characteristics”
”ADC Characteristics” on page
93.
”Ordering Information” on page
27. Event Channel 0 output on port pin 7.
74. Replaced the figure by a correct one.
and added the figure
68. Removed DC output impedence.
61.
3.
67.
by adding Icc for Flash/EEPROM
.
”TOSC input capacitance” on page 71
67.
2.
11. 192A3 has 2 KB EEPROM.
XMEGA A3
124