ATXMEGA256A3-AU Atmel, ATXMEGA256A3-AU Datasheet - Page 66
![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
34.4
Table 34-3.
Table 34-4.
Notes:
8068T–AVR–12/10
Symbol
Symbol
Flash and EEPROM Memory Characteristics
1. Programming is timed from the internal 2 MHz oscillator.
2. EEPROM is not erased if the EESAVE fuse is programmed.
Parameter
Flash
EEPROM
Parameter
Chip Erase
Flash
EEPROM
Endurance and Data Retention
Programming time
Write/Erase cycles
Data retention
Write/Erase cycles
Data retention
Flash, EEPROM
Page Erase
Page Write
Page WriteAutomatic Page Erase and Write
Page Erase
Page Write
Page WriteAutomatic Page Erase and Write
(2)
Condition
Condition
and SRAM Erase
25°C
85°C
25°C
55°C
25°C
85°C
25°C
55°C
10K
10K
80K
30K
Min
100
100
Min
25
25
Typ
Typ
40
12
12
6
6
6
6
(1)
XMEGA A3
Max
Max
Units
Cycle
Cycle
Units
Year
Year
ms
66