ATxmega32A4U Atmel Corporation, ATxmega32A4U Datasheet - Page 504

• 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

8331A–AVR–07/11
34 Peripheral Module Address Map ........................................................ 449
35 Instruction Set Summary .................................................................... 451
36 Appendix A: EBI Timing Diagrams ..................................................... 455
37 Datasheet Revision History ................................................................ 492
Table Of Contents ...................................................................................... i
33.13
33.14
36.1
36.2
36.3
36.4
36.5
36.6
36.7
36.8
36.9
36.10
36.11
36.12
36.13
36.14
36.15
36.16
37.1
Register Description ......................................................................................448
Register Summary .........................................................................................448
SRAM 3-Port ALE1 CS ..................................................................................455
SRAM 3-Port ALE12 CS ................................................................................457
SRAM 4 -Port ALE2 CS .................................................................................460
SRAM 4 - Port NOALE CS ............................................................................462
LPC 2 - Port ALE12 CS .................................................................................463
LPC 3 - Port ALE1 CS ...................................................................................465
LPC 2 - Port ALE1 CS ...................................................................................466
SRAM 3 - Port ALE1 noCS ............................................................................467
SRAM 4 - Port NOALE no CS .......................................................................469
LPC 2 - Port ALE12 no CS ............................................................................470
SDRAM init ....................................................................................................472
SDRAM 8-bit Write ........................................................................................473
SDRAM 8-bit read .........................................................................................477
SDRAM 4-bit rwite .........................................................................................481
SDRAM 4-bit read .........................................................................................485
SRAM refresh ................................................................................................488
8331A – 07/11 ...............................................................................................492
Atmel AVR XMEGA AU
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