ATxmega256A3BU Atmel Corporation, ATxmega256A3BU Datasheet - Page 497

• Manufacturer Part Number: ATxmega256A3BU
• Manufacturer: Atmel Corporation

Specifications of ATxmega256A3BU

• 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 Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• 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

8331A–AVR–07/11
14 TC0/1 - 16-bit Timer/Counter Type 0 and 1 ........................................ 164
15 TC2 –16-bit Timer/Counter type 2 ....................................................... 189
13.2
13.3
13.4
13.5
13.6
13.7
13.8
13.9
13.10
13.11
13.12
13.13
13.14
13.15
13.16
13.17
13.18
13.19
14.1
14.2
14.3
14.4
14.5
14.6
14.7
14.8
14.9
14.10
14.11
14.12
14.13
14.14
15.1
Overview ........................................................................................................139
I/O Pin Use and Configuration .......................................................................140
Reading the Pin Value ...................................................................................143
Input Sense Configuration .............................................................................144
Port Interrupt ..................................................................................................145
Port Event ......................................................................................................146
Alternate Port Functions ................................................................................146
Slew Rate Control ..........................................................................................147
Clock and Event Output .................................................................................147
Multi-pin configuration ...................................................................................148
Virtual Ports ...................................................................................................148
Register Descriptions – Ports ........................................................................149
Register Descriptions – Port Configuration ...................................................155
Register Descriptions – Virtual Port ...............................................................160
Register Summary – Ports ............................................................................162
Register Summary – Port Configuration ........................................................162
Register Summary – Virtual Ports .................................................................162
Interrupt Vector Summary - Ports ..................................................................163
Features ........................................................................................................164
Overview ........................................................................................................164
Block Diagram ...............................................................................................166
Clock and Event Sources ..............................................................................167
Double Buffering ............................................................................................167
Counter Operation .........................................................................................168
Capture Channel ...........................................................................................171
Compare Channel .........................................................................................173
Interrupts and events .....................................................................................177
DMA Support .................................................................................................177
Timer/Counter Commands ............................................................................177
Register Description ......................................................................................178
Register Summary .........................................................................................188
Interrupt Vector Summary .............................................................................188
Features ........................................................................................................189
Atmel AVR XMEGA AU
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