ATxmega256A3BU Atmel Corporation, ATxmega256A3BU Datasheet - Page 212

• 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

16.8
8331A–AVR–07/11
Address
+0x0A
+0x0B
+0x0C
+0x00
+0x01
+0x02
+0x03
+0x04
+0x05
+0x06
+0x07
+0x08
+0x09
Register Summary
Name
DTBOTHBUF
OUTOVEN
FDEMASK
DTHSBUF
DTLSBUF
Reserved
Reserved
DTBOTH
FDCTRL
STATUS
DTHS
CTRL
DTLS
• Bit 7:0 – OUTOVEN[7:0]: Output Override Enable
These bits enable override of the corresponding port output register (i.e., one-to-one bit relation
to pin position). The port direction is not overridden.
Bit 7
–
–
–
–
–
Bit 6
–
–
–
–
–
Bit 5
PGM
–
–
–
–
FDDBD
CWCM
Bit 4
–
–
–
DTBOTHBUF[7:0]
FDEVMASK[7:0]
OUTOVEN[7:0]
DTHSBUF[7:0]
DTLSBUF[7:0]
DTBOTH[7:0]
DTHS[7:0]
DTLS[7:0]
DTICDAEN
Bit 3
–
–
–
–
Atmel AVR XMEGA AU
DTICCCEN
FDMODE
Bit 2
FDF
–
–
DTICCBEN
DTBHSV
Bit 1
–
–
FDACT[1:0]
DTICCAEN
DTBLSV
Bit 0
–
–
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