AT32UC3A464 Atmel Corporation, AT32UC3A464 Datasheet - Page 367

• Manufacturer Part Number: AT32UC3A464
• Manufacturer: Atmel Corporation

Specifications of AT32UC3A464

• Flash (kbytes): 64 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
• Timers: 6
• Output Compare Channels: 6
• Input Capture Channels: 6
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

19.12.14 Interrupt Clear Registers
Name:
Access Type:
Offset:
Reset Value:
• CLEAR[3:0]: Interrupt Clear
Each bit in the Raw Status and Status registers is cleared on the same cycle by writing a 1 to the corresponding location in
the Clear registers: ClearTfr, ClearBlock, ClearSrcTran, ClearDstTran, ClearErr. Each Interrupt Clear register has a bit allo-
cated per channel, for example, ClearTfr[2] is the clear bit for Channel 2’s transfer complete interrupt. Writing a 0 has no
effect. These registers are not readable.
32072G–11/2011
31
23
15
7
-
-
-
-
0 = No effect
1 = Clear interrupt
30
22
14
6
-
-
-
-
ClearTfr, ClearBlock, ClearSrcTran, ClearDstTran, ClearErr
Write-only
0x338, 0x340, 0x348, 0x350, 0x358
0x00000000
29
21
13
5
-
-
-
-
28
20
12
4
-
-
-
-
CLEAR3
27
19
11
3
-
-
-
CLEAR2
26
18
10
2
-
-
-
CLEAR1
25
17
9
1
-
-
-
CLEAR0
24
16
8
0
-
-
-
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