ATxmega32A4 Atmel Corporation, ATxmega32A4 Datasheet - Page 435

• 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
5
6
DMA - Direct Memory Access Controller ............................................. 49
Event System ......................................................................................... 65
4.11
4.12
4.13
4.14
4.15
4.16
4.17
4.18
4.19
4.20
4.21
4.22
4.23
4.24
4.25
4.26
5.1
5.2
5.3
5.4
5.5
5.6
5.7
5.8
5.9
5.10
5.11
5.12
5.13
5.14
5.15
5.16
5.17
Memory Timing ................................................................................................24
Device ID .........................................................................................................24
JTAG Disable ..................................................................................................24
IO Memory Protection ......................................................................................25
Register Description - NVM Controller ............................................................25
Register Description – Fuses and Lockbits .....................................................30
Register Description - Production Signature Row ...........................................36
Register Description – General Purpose I/O Memory .....................................42
Register Description – External Memory .........................................................42
Register Description – MCU Control ...............................................................42
Register Summary - NVM Controller ...............................................................46
Register Summary - Fuses and Lockbits .........................................................46
Register Summary - Production Signature Row ..............................................47
Register Summary - General Purpose I/O Registers ......................................48
Register Summary - MCU Control ...................................................................48
Interrupt Vector Summary - NVM Controller ....................................................48
Features ..........................................................................................................49
Overview ..........................................................................................................49
DMA Transaction .............................................................................................50
Transfer Triggers .............................................................................................50
Addressing .......................................................................................................51
Priority Between Channels ..............................................................................51
Double Buffering ..............................................................................................51
Transfer Buffers ...............................................................................................51
Error detection .................................................................................................52
Software Reset ................................................................................................52
Protection ........................................................................................................52
Interrupts .........................................................................................................52
Register Description – DMA Controller ............................................................53
Register Description – DMA Channel ..............................................................55
Register Summary – DMA Controller ..............................................................64
Register Summary – DMA Channel ................................................................64
DMA Interrupt Vector Summary ......................................................................64
XMEGA A
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