ATxmega32A4U Atmel Corporation, ATxmega32A4U Datasheet - Page 493

• Manufacturer Part Number: ATxmega32A4U
• Manufacturer: Atmel Corporation

Specifications of ATxmega32A4U

• Flash (kbytes): 32 Kbytes
• Pin Count: 44
• Max. Operating Frequency: 32 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 34
• Ext Interrupts: 34
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 7
• Twi (i2c): 2
• Uart: 5
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 12
• Adc Resolution (bits): 12
• Adc Speed (ksps): 2000
• Analog Comparators: 2
• Resistive Touch Screen: No
• Dac Channels: 2
• Dac Resolution (bits): 12
• Temp. Sensor: Yes
• Crypto Engine: AES/DES
• Sram (kbytes): 4
• Eeprom (bytes): 1024
• 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: 5
• Output Compare Channels: 16
• Input Capture Channels: 16
• Pwm Channels: 16
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

Table Of Contents
8331A–AVR–07/11
1
2
3
4
About the Manual ..................................................................................... 2
Overview ................................................................................................... 3
Memories ................................................................................................ 19
AVR CPU .................................................................................................. 6
1.1
1.2
1.3
2.1
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
3.10
3.11
3.12
3.13
3.14
3.15
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
4.10
Reading the Manual ..........................................................................................2
Resources .........................................................................................................2
Recommended Reading ....................................................................................2
Block Diagram ...................................................................................................5
Features ............................................................................................................6
Overview ............................................................................................................6
Architectural Overview .......................................................................................6
ALU - Arithmetic Logic Unit ...............................................................................7
Program Flow ....................................................................................................8
Instruction Execution Timing .............................................................................8
Status Register ..................................................................................................9
Stack and Stack Pointer ....................................................................................9
Register File ....................................................................................................10
RAMP and Extended Indirect Registers ..........................................................11
Accessing 16-bit Registers ..............................................................................12
Configuration Change Protection ....................................................................12
Fuse Lock ........................................................................................................13
Register Descriptions ......................................................................................14
Register Summary ...........................................................................................18
Features ..........................................................................................................19
Overview ..........................................................................................................19
Flash Program Memory ...................................................................................20
Fuses and Lockbits ..........................................................................................21
Data Memory ...................................................................................................22
Internal SRAM .................................................................................................22
EEPROM .........................................................................................................23
I/O Memory ......................................................................................................23
External Memory .............................................................................................23
Data Memory and Bus Arbitration ...................................................................23
Atmel AVR XMEGA AU
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