ATxmega256A3U Atmel Corporation, ATxmega256A3U Datasheet - Page 230

• Manufacturer Part Number: ATxmega256A3U
• Manufacturer: Atmel Corporation

Specifications of ATxmega256A3U

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

19.4
19.5
Table 19-1.
8331A–AVR–07/11
Address
+0x0A
+0x0B
+0x0C
+0x0D
+0x0E
+0x00
+0x01
+0x02
+0x03
+0x04
+0x05
+0x06
+0x07
+0x08
+0x09
+0x0F
Offset
0x00
0x02
Register Summary
Interrupt Vector Summary
SYNCCTRL
INTFLAGS
RTC32 interrupt vectors and their word offset addresses.
INTCTRL
Name
COMP0
COMP1
COMP2
COMP3
CTRL
CNT0
CNT1
CNT2
CNT3
PER0
PER1
PER2
PER3
COMP_vect
OVF_vect
Source
Bit 7
–
–
–
–
Bit 6
–
–
–
–
Interrupt Description
Real-time counter overflow interrupt vector
Real-time counter compare match interrupt vector
Bit 5
–
–
–
–
SYNCCNT
Bit 4
–
–
–
COMP[23:16]
COMP[31:24]
COMP[15:8]
CNT[23:16]
CNT[31:24]
PER[23:16]
PER[31:24]
COMP[7:0]
CNT[15:8]
PER[15:8]
CNT[7:0]
PER[7:0]
Bit 3
–
–
–
COMPINTLVL[1:0]
Atmel AVR XMEGA AU
Bit 2
–
–
–
COMPIF
Bit 1
–
–
OVFINTLVL[1:0]
SYNCBUSY
ENABLE
OVFIF
Bit 0
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