AT32UC3A4256 Atmel Corporation, AT32UC3A4256 Datasheet - Page 898

• Manufacturer Part Number: AT32UC3A4256
• Manufacturer: Atmel Corporation

Specifications of AT32UC3A4256

• Flash (kbytes): 256 Kbytes
• Pin Count: 100
• Max. Operating Frequency: 66 MHz
• Cpu: 32-bit AVR
• Hardware Qtouch Acquisition: No
• Usb Transceiver: 1
• Usb Speed: Hi-Speed
• Usb Interface: Device + OTG
• Spi: 6
• Twi (i2c): 2
• Uart: 4
• Ssc: 1
• Sd / Emmc: 2
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 128
• Self Program Memory: YES
• Dram Memory: No
• 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: 6
• Input Capture Channels: 6
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

32.5.6
Name:
Access Type:
Offset:
Reset Value:
• URAT: Unspecified Register Access Type:
• URAD: Unspecified Register Access Detection Status
•
•
•
•
32072G–11/2011
Others
URAT
31
23
15
7
-
-
-
0
1
2
3
4
5
Only the last Unspecified Register Access Type is available through the URAT field.
This field is reset to 0 when SWRST bit in the Control Register is written to one.
This bit is set when at least one unspecified register access has been detected since the last software reset.
This bit is cleared when SWRST bit in the Control Register is set to one.
Interrupt Status Register
Description
The IDATAnR register during the data processing in DMA mode.
The ODATAnR register read during the data processing.
The MR register written during the data processing.
The ODATAnR register read during the sub-keys generation.
The MR register written during the sub-keys generation.
Write-only register read access.
Reserved
30
22
14
6
-
-
-
ISR
Read-only
0x1C
0x0000001E
URAT
29
21
13
5
-
-
-
28
20
12
4
-
-
-
27
19
11
3
-
-
-
-
26
18
10
2
-
-
-
-
25
17
9
1
-
-
-
-
DATRDY
URAD
24
16
8
0
-
-
898