ATxmega256A3B Atmel Corporation, ATxmega256A3B Datasheet - Page 442

• Manufacturer Part Number: ATxmega256A3B
• Manufacturer: Atmel Corporation

Specifications of ATxmega256A3B

• 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: 47
• Ext Interrupts: 49
• Usb Speed: No
• Usb Interface: No
• Spi: 8
• Twi (i2c): 2
• Uart: 6
• 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

8077H–AVR–12/09
26 DAC - Digital to Analog Converter ..................................................... 317
27 AC - Analog Comparator ..................................................................... 328
25.9
25.10
25.11
25.12
25.13
25.14
25.15
25.16
25.17
25.18
25.19
25.20
26.1
26.2
26.3
26.4
26.5
26.6
26.7
26.8
26.9
26.10
26.11
27.1
27.2
27.3
27.4
27.5
27.6
27.7
27.8
27.9
27.10
ADC Clock and Conversion Timing ...............................................................296
ADC Input Model ...........................................................................................300
DMA transfer .................................................................................................301
Interrupts and events .....................................................................................301
Calibration .....................................................................................................301
Channel priority .............................................................................................301
Synchronous sampling ..................................................................................301
Register Description - ADC ...........................................................................302
Register Description - ADC Channel .............................................................309
Register Summary - ADC ..............................................................................315
Register Summary - ADC Channel ................................................................315
Interrupt vector Summary ..............................................................................316
Features ........................................................................................................317
Overview ........................................................................................................317
Starting a conversion .....................................................................................318
Output channels ............................................................................................318
DAC Output model ........................................................................................318
DAC clock ......................................................................................................319
Timing constraints .........................................................................................319
Low Power mode ...........................................................................................319
Calibration .....................................................................................................319
Register Description ......................................................................................320
Register Summary .........................................................................................327
Features ........................................................................................................328
Overview ........................................................................................................328
Input Channels ..............................................................................................330
Start of Signal Compare ................................................................................330
Generating Interrupts and Events ..................................................................330
Window Mode ................................................................................................330
Input hysteresis .............................................................................................331
Power consumption vs. propagation delay ....................................................331
Register Description ......................................................................................331
Register Summary .........................................................................................336
XMEGA A
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