AT32UC3A3256S Atmel Corporation, AT32UC3A3256S Datasheet - Page 53
AT32UC3A3256S
Manufacturer Part Number
AT32UC3A3256S
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 AT32UC3A3256S
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
AES
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
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT32UC3A3256S-ALUT
Manufacturer:
MOLEX
Quantity:
20 000
Part Number:
AT32UC3A3256S-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: 53 of 377
- Download datasheet (5Mb)
6.2.1.2
32000D–04/2011
MPU Permission Select Register - MPUPSRn
Table 6-1.
A MPU Permission Select register is implemented for each of the 8 protection regions. Each
MPUPSR register divides the protection region into 16 subregions. The bitfields in MPUPSR
specifies whether each subregion has access permissions as specified by the region entry in
either MPUAPRA or MPUAPRB.
Table 6-2.
Size
B’00000 to B’01010
B’01011
B’01100
B’01101
B’01110
B’01111
B’10000
B’10001
B’10010
B’10011
B’10100
B’10101
B’10110
B’10111
B’11000
B’11001
B’11010
B’11011
B’11100
B’11101
B’11110
B’11111
MPUPSRn[P]
0
1
• Size - Size of the protection region. The possible sizes are shown in
• V - Valid. Set if the protection region is valid, cleared otherwise. This bit is written to 0 by a
reset. The region is not considered in the protection testing if the V bit is cleared.
Protection region sizes implied by the Size field
Subregion access permission implied by MPUPSR bitfields
Region size
UNDEFINED
4 KB
8 KB
16 KB
32 KB
64 KB
128 KB
256 KB
512 KB
1 Mb
2 MB
4 MB
8 MB
16 MB
32 MB
64 MB
128 MB
256 MB
512 MB
1 GB
2 GB
4 GB
Access permission
MPUAPRA[APn]
MPUAPRB[APn]
Constraints on Base address
-
None
Bit [12] in Size must be 0
Bit [13:12] in Size must be 0
Bit [14:12] in Size must be 0
Bit [15:12] in Size must be 0
Bit [16:12] in Size must be 0
Bit [17:12] in Size must be 0
Bit [18:12] in Size must be 0
Bit [19:12] in Size must be 0
Bit [20:12] in Size must be 0
Bit [21:12] in Size must be 0
Bit [22:12] in Size must be 0
Bit [23:12] in Size must be 0
Bit [24:12] in Size must be 0
Bit [25:12] in Size must be 0
Bit [26:12] in Size must be 0
Bit [27:12] in Size must be 0
Bit [28:12] in Size must be 0
Bit [29:12] in Size must be 0
Bit [30:12] in Size must be 0
Bit [31:12] in Size must be 0
Table 6-1 on page
AVR32
53.
53
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