ATXMEGA256A3-AU Atmel, ATXMEGA256A3-AU Datasheet - Page 65
![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
34.3
8068T–AVR–12/10
Operating Voltage and Frequency
Table 34-2.
The maximum CPU clock frequency of the XMEGA A3 devices is depending on V
in
Figure 34-1. Maximum Frequency vs. Vcc
Figure 34-1 on page 65
Symbol
Clk
CPU
MHz
Operating voltage and frequency
32
12
Parameter
CPU clock frequency
1.6
the Frequency vs. V
1.8
V
V
V
V
CC
CC
CC
CC
Safe Operating Area
Condition
= 1.6V
= 1.8V
= 2.7V
= 3.6V
CC
2.7
curve is linear between 1.8V < V
Min
0
0
0
0
3.6
Typ
XMEGA A3
Max
12
12
32
32
V
CC
CC
. As shown
< 2.7V.
Units
MHz
65