ATxmega256A3B Atmel Corporation, ATxmega256A3B Datasheet - Page 48

• 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

4.24
4.25
4.26
Table 4-12.
8077H–AVR–12/09
Address
Address
+0x0A
+0x0B
+0x0C
+0x0D
+0x00
+0x01
+0x02
+0x03
+0x04
+0x05
+0x06
+0x07
+0x08
+0x09
+0x00
+0x01
+0x02
+0x03
+0x04
+0x05
+0x06
+0x07
+0x08
+0x09
+0x0A
+0x0B
+0x0E
+0x0F
Offset
0x02
0x00
Register Summary - General Purpose I/O Registers
Register Summary - MCU Control
Interrupt Vector Summary - NVM Controller
Name
EVSYSLOCK
AWEXLOCK
Name
JTAGUID
Reserved
Reserved
Reserved
Reserved
MCUCR
NVM Interrupt vectors and their word offset address from the NVM Controller interrupt base
DEVID0
DEVID1
DEVID2
GPIOR10
GPIOR11
GPIOR12
GPIOR13
GPIOR14
GPIOR15
REVID
GPIOR0
GPIOR1
GPIOR2
GPIOR3
GPIOR4
GPIOR5
GPIOR6
GPIOR7
GPIOR8
GPIOR9
SPM_vect
Bit 7
EE_vect
Source
Bit 7
–
–
–
–
–
–
–
–
Bit 6
Bit 6
–
–
–
–
–
–
–
–
Interrupt Description
Non-Volatile Memory SPM Interrupt vector
Non-Volatile Memory EEPROM Interrupt vector
Bit 5
Bit 5
–
–
–
–
–
–
–
–
EVSYS1LOC
Bit 4
Bit 4
–
–
–
–
–
–
–
JTAGUID[7:0]
DEVID0[7:0]
DEVID1[7:0]
DEVID2[7:0]
GPIOR[7:0]
GPIOR[7:0]
GPIOR[7:0]
GPIOR[7:0]
GPIOR[7:0]
GPIOR[7:0]
GPIOR[7:0]
GPIOR[7:0]
GPIOR[7:0]
GPIOR[7:0]
GPIOR[7:0]
GPIOR[7:0]
GPIOR[7:0]
GPIOR[7:0]
GPIOR[7:0]
GPIOR[7:0]
Bit 3
–
–
–
–
–
–
–
Bit 3
AWEXELOCK
Bit 2
Bit 2
–
–
–
–
–
–
REVID[3:0]
Bit 1
Bit 1
–
–
–
–
–
–
–
EVSYS0LOCK
AWEXCLOCK
XMEGA A
JTAGD
Bit 0
Bit 0
–
–
–
–
Page
Page
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
43
43
43
43
44
48
48