AT32UC3A4256 Atmel Corporation, AT32UC3A4256 Datasheet - Page 367
AT32UC3A4256
Manufacturer Part Number
AT32UC3A4256
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(377 pages)
2.AT32UC3A0128.pdf
(33 pages)
3.AT32UC3A0128.pdf
(159 pages)
4.AT32UC3A3128.pdf
(91 pages)
5.AT32UC3A3128.pdf
(1012 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT32UC3A4256S-C1UR
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
AT32UC3A4256S-U
Manufacturer:
ST
Quantity:
79
Part Number:
AT32UC3A4256S-U
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- AT32UC3A0128 PDF datasheet #3
- AT32UC3A3128 PDF datasheet #4
- AT32UC3A3128 PDF datasheet #5
- Current page: 367 of 1012
- Download datasheet (16Mb)
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
-
-
-
367
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