ATxmega32A4 Atmel Corporation, ATxmega32A4 Datasheet - Page 444

• Manufacturer Part Number: ATxmega32A4
• Manufacturer: Atmel Corporation

Specifications of ATxmega32A4

• 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 Speed: No
• Usb Interface: No
• 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

8077H–AVR–12/09
33 Appendix A: EBI Timing Diagrams ..................................................... 392
34 Datasheet Revision History ................................................................ 429
Table of Contents....................................................................................... i
33.1
33.2
33.3
33.4
33.5
33.6
33.7
33.8
33.9
33.10
33.11
33.12
33.13
33.14
33.15
33.16
34.1
34.2
34.3
34.4
34.5
34.6
34.7
34.8
SRAM 3-Port ALE1 CS ..................................................................................392
SRAM 3-Port ALE12 CS ................................................................................394
SRAM 4 -Port ALE2 CS .................................................................................397
SRAM 4 - Port NOALE CS ............................................................................399
LPC 2 - Port ALE12 CS .................................................................................400
LPC 3 - Port ALE1 CS ...................................................................................402
LPC 2 - Port ALE1 CS ...................................................................................403
SRAM 3 - Port ALE1 noCS ............................................................................404
SRAM 4 - Port NOALE no CS .......................................................................406
LPC 2 - Port ALE12 no CS ............................................................................407
SDRAM init ....................................................................................................409
SDRAM 8-bit rwite .........................................................................................410
SDRAM 8-bit read .........................................................................................414
SDRAM 4-bit rwite .........................................................................................418
SDRAM 4-bit read .........................................................................................422
SRAM refresh ................................................................................................425
8077H – 12/09 ...............................................................................................429
8077G – 04/09 ...............................................................................................429
8077F – 02/09 ...............................................................................................430
8077E – 01/09 ...............................................................................................430
8077D – 12/08 ...............................................................................................430
8077C – 07/08 ...............................................................................................431
8077B – 06/08 ...............................................................................................432
8077A – 02/08 ...............................................................................................433
XMEGA A
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