ATxmega256A3U Atmel Corporation, ATxmega256A3U Datasheet - Page 84

• 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

36.2
8386A–AVR–07/11
Idle Supply Current
Figure 36-5. Idle Supply Current vs. Frequency
Figure 36-6. Idle Supply Current vs. Frequency
180
160
140
120
100
80
60
40
20
6
5
4
3
2
1
0
0
0
0
f
f
SYS
SYS
= 0 - 1.0MHz, T = 25°C
= 1 - 32MHz, T = 25°C
0.1
4
0.2
8
0.3
12
0.4
Frequency [MHz]
Frequency [MHz]
16
0.5
1.8 V
0.6
20
2.2 V
0.7
24
0.8
XMEGA A3U
28
0.9
32
1
3.3 V
3.0 V
2.7 V
3.3 V
3.0 V
2.7 V
2.2 V
1.8 V
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