ATxmega256A3 Atmel Corporation, ATxmega256A3 Datasheet - Page 203

• Manufacturer Part Number: ATxmega256A3
• Manufacturer: Atmel Corporation

Specifications of ATxmega256A3

• 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 Speed: No
• Usb Interface: No
• 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

18.3.15
18.3.16
8077H–AVR–12/09
COMP1 - Compare Register 1
COMP0 - Compare Register 0
Bit
+0x0D
Read/Write
Reset Value
Bit
+0x0C
Read/Write
Reset Value
R/W
R/W
7
7
0
0
R/W
R/W
6
6
0
0
R/W
R/W
5
5
0
0
R/W
R/W
4
4
COMP[15:8]
0
0
COMP[7:0]
R/W
R/W
3
3
0
0
R/W
R/W
2
2
0
0
R/W
R/W
1
1
0
0
XMEGA A
R/W
R/W
0
0
0
0
COMP1
COMP0
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