ATxmega32A4U Atmel Corporation, ATxmega32A4U Datasheet - Page 496

• 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
10 Battery Backup System ....................................................................... 119
11 WDT – Watchdog Timer ....................................................................... 126
12 Interrupts and Programmable Multilevel Interrupt Controller ......... 132
13 I/O Ports ................................................................................................ 139
9.1
9.2
9.3
9.4
9.5
9.6
10.1
10.2
10.3
10.4
10.5
10.6
10.7
11.1
11.2
11.3
11.4
11.5
11.6
11.7
11.8
12.1
12.2
12.3
12.4
12.5
12.6
12.7
12.8
12.9
13.1
Features ........................................................................................................111
Overview ........................................................................................................111
Reset Sequence ............................................................................................112
Reset Sources ...............................................................................................113
Register Description ......................................................................................117
Register Summary .........................................................................................118
Features ........................................................................................................119
Overview ........................................................................................................119
Battery Backup System .................................................................................120
Configuration .................................................................................................121
Operation .......................................................................................................121
Register Description ......................................................................................123
Register Summary .........................................................................................125
Features ........................................................................................................126
Overview ........................................................................................................126
Normal Mode Operation ................................................................................126
Window Mode Operation ...............................................................................127
Watchdog Timer Clock ..................................................................................127
Configuration Protection and Lock ................................................................128
Registers Description ....................................................................................128
Register Summary .........................................................................................131
Features ........................................................................................................132
Overview ........................................................................................................132
Operation .......................................................................................................132
Interrupts .......................................................................................................133
Interrupt level .................................................................................................135
Interrupt priority .............................................................................................135
Moving Interrupts Between Application and Boot Sections ...........................137
Register Description ......................................................................................137
Register Summary .........................................................................................138
Features ........................................................................................................139
Atmel AVR XMEGA AU
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