ATxmega256A3U Atmel Corporation, ATxmega256A3U Datasheet - Page 90

• 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

8386A–AVR–07/11
Figure 36-17. I/O Pin Output Voltage vs. Source Current
Figure 36-18. I/O Pin Output Voltage vs. Source Current
-10
-12
-14
-16
-18
-20
3.6
3.3
2.7
2.4
2.1
1.8
1.5
1.2
0.9
0.6
0.3
-2
-4
-6
-8
0
3
0
1.8
-20
Vcc = 3.3V
T = 25°C
1.95
-18
2.1
-16
2.25
-14
2.4
-12
I
V
PIN
PIN
2.55
-10
[mA]
[V]
2.7
-8
2.85
-6
3
-4
XMEGA A3U
3.15
-2
3.3
0
-40 °C
85 °C
25 °C
3.6 V
3.3 V
2.7 V
2.2 V
1.8 V
90