ATxmega256A3U Atmel Corporation, ATxmega256A3U Datasheet - Page 66

• Manufacturer Part Number: ATxmega256A3U
• Manufacturer: Atmel Corporation

Specifications of ATxmega256A3U

• Flash (kbytes): 256 Kbytes
• Pin Count: 64
• Max. Operating Frequency: 32 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 50
• Ext Interrupts: 50
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 10
• Twi (i2c): 2
• Uart: 7
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 16
• Adc Resolution (bits): 12
• Adc Speed (ksps): 2000
• Analog Comparators: 4
• Resistive Touch Screen: No
• Dac Channels: 2
• Dac Resolution (bits): 12
• Temp. Sensor: Yes
• Crypto Engine: AES/DES
• Sram (kbytes): 16
• Eeprom (bytes): 4096
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: Yes
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.6 to 3.6
• Operating Voltage (vcc): 1.6 to 3.6
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 7
• Output Compare Channels: 22
• Input Capture Channels: 22
• Pwm Channels: 22
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

35.3
8386A–AVR–07/11
3. All parameters measured as the difference in current consumption between module enabled and disabled. All data at
Operating Voltage and Frequency
V
CC
= 3.0V, Clk
SYS
Table 35-2.
The maximum System clock frequency of the Atmel
on V
1.8V < V
Figure 35-1. Maximum Frequency vs. Vcc
= 1MHz External clock without prescaling, T = 25°C unless other conditiond are given .
Symbol
Clk
CC
CPU
. As shown in
CC
< 2.7V.
MHz
Operating voltage and frequency
32
12
Parameter
CPU clock frequency
Figure 35-1 on page 66
1.6
1.8
V
V
V
V
CC
CC
CC
CC
Safe Operating Area
Condition
= 1.6V
= 1.8V
= 2.7V
= 3.6V
2.7
the Frequency vs. V
®
AVR
®
Min
XMEGA A3U devices is depending
0
0
0
0
3.6
CC
Typ
curve is linear between
XMEGA A3U
Max
12
12
32
32
V
Units
MHz
66