AT32UC3A3256AU Atmel Corporation, AT32UC3A3256AU Datasheet - Page 900
AT32UC3A3256AU
Manufacturer Part Number
AT32UC3A3256AU
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(377 pages)
2.AT32UC3A0128.pdf
(33 pages)
3.AT32UC3A0128.pdf
(159 pages)
4.AT32UC3A0128AU.pdf
(2 pages)
5.AT32UC3A3128.pdf
(91 pages)
6.AT32UC3A3128.pdf
(1012 pages)
Specifications of AT32UC3A3256AU
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
Available stocks
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Part Number
Manufacturer
Quantity
Price
- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- AT32UC3A0128 PDF datasheet #3
- AT32UC3A0128AU PDF datasheet #4
- AT32UC3A3128 PDF datasheet #5
- AT32UC3A3128 PDF datasheet #6
- Current page: 900 of 1012
- Download datasheet (16Mb)
32.5.7
Name:
Access Type:
Offset:
Reset Value:
• KEYWn[31:0]: Key Word n
32072G–11/2011
31
23
15
7
Writing the 128-bit/192-bit/256-bit cryptographic key used for encryption/decryption in the four/six/eight 32-bit Key Word
registers.
KEYW1 corresponds to the first word of the key and respectively KEYW4/KEYW6/KEYW8 to the last one.
This field always read as zero to prevent the key from being read by another application.
Key Word n Register
30
22
14
6
KEYWnR
Write-only
0x20 +(n-1)*0x04
0x00000000
29
21
13
5
28
20
12
4
KEYWn[31:24]
KEYWn[23:16]
KEYWn[15:8]
KEYWn[7:0]
27
19
11
3
26
18
10
2
25
17
9
1
24
16
8
0
900
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