AT32UC3A3256 Atmel Corporation, AT32UC3A3256 Datasheet - Page 83

• Manufacturer Part Number: AT32UC3A3256
• Manufacturer: Atmel Corporation

Specifications of AT32UC3A3256

• Flash (kbytes): 256 Kbytes
• Pin Count: 144
• Max. Operating Frequency: 66 MHz
• Cpu: 32-bit AVR
• # Of Touch Channels: 32
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 110
• Ext Interrupts: 110
• Usb Transceiver: 1
• Usb Speed: Hi-Speed
• Usb Interface: Device + OTG
• Spi: 6
• Twi (i2c): 2
• Uart: 4
• Lin: 4
• Ssc: 1
• Sd / Emmc: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 384
• Resistive Touch Screen: No
• Dac Channels: 2
• Dac Resolution (bits): 16
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 128
• Self Program Memory: YES
• External Bus Interface: 1
• Dram Memory: sdram
• Nand Interface: Yes
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 3.0 to 3.6
• Operating Voltage (vcc): 3.0 to 3.6
• Fpu: No
• Mpu / Mmu: Yes / No
• Timers: 6
• Output Compare Channels: 18
• Input Capture Channels: 12
• Pwm Channels: 12
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

8.6
Table 8-1.
32072G–11/2011
Offset
0x1C
0x00
0x04
0x08
0x10
0x14
0x18
0x20
User Interface
RTC Register Memory Map
Interrupt Disable Register
Interrupt Enable Register
Interrupt Status Register
Interrupt Mask Register
Interrupt Clear Register
Control Register
Value Register
Top Register
Register
Register Name
CTRL
TOP
VAL
IMR
IER
IDR
ISR
ICR
Read/Write
Read/Write
Read/Write
Read-only
Read-only
Write-only
Write-only
Write-only
Access
0xFFFFFFFF
0x00010000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
Reset
83