ATxmega256A3B Atmel Corporation, ATxmega256A3B Datasheet - Page 438

• 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
14 TC - 16-bit Timer/Counter .................................................................... 149
15 AWeX – Advanced Waveform Extension ........................................... 176
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
13.20
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
Overview ........................................................................................................129
Using the I/O Pin ...........................................................................................130
I/O Pin Configuration .....................................................................................131
Reading the Pin value ...................................................................................133
Input Sense Configuration .............................................................................134
Port Interrupt ..................................................................................................135
Port Event ......................................................................................................136
Alternate Port Functions ................................................................................136
Slew-rate Control ...........................................................................................137
Clock and Event Output .................................................................................137
Multi-configuration .........................................................................................138
Virtual Port Registers .....................................................................................138
Register Description – Ports ..........................................................................138
Register Description – Multiport Configuration ..............................................143
Register Description – Virtual Port ................................................................146
Register Summary – Ports ............................................................................148
Register Summary – Port Configuration ........................................................148
Register Summary – Virtual Ports .................................................................148
Interrupt vector Summary - Ports ..................................................................148
Features ........................................................................................................149
Overview ........................................................................................................149
Block Diagram ...............................................................................................151
Clock and Event Sources ..............................................................................153
Double Buffering ............................................................................................153
Counter Operation .........................................................................................154
Capture Channel ...........................................................................................156
Compare Channel .........................................................................................159
Interrupts and events .....................................................................................163
DMA Support. ................................................................................................164
Timer/Counter Commands ............................................................................164
Register Description ......................................................................................165
Register Summary .........................................................................................175
Interrupt Vector Summary .............................................................................175
XMEGA A
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