AT32UC3C0256C Atmel Corporation, AT32UC3C0256C Datasheet - Page 52
AT32UC3C0256C
Manufacturer Part Number
AT32UC3C0256C
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(377 pages)
2.AT32UC3A0128.pdf
(159 pages)
3.AT32UC3C0128C.pdf
(1313 pages)
4.AT32UC3C0128C.pdf
(108 pages)
Specifications of AT32UC3C0256C
Flash (kbytes)
256 Kbytes
Pin Count
144
Max. Operating Frequency
66 MHz
Cpu
32-bit AVR
Hardware Qtouch Acquisition
No
Max I/o Pins
123
Ext Interrupts
144
Usb Transceiver
1
Quadrature Decoder Channels
2
Usb Speed
Full Speed
Usb Interface
Device + OTG
Spi
7
Twi (i2c)
3
Uart
5
Can
2
Lin
5
Ssc
1
Ethernet
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
16
Adc Resolution (bits)
12
Adc Speed (ksps)
2000
Analog Comparators
4
Resistive Touch Screen
No
Dac Channels
4
Dac Resolution (bits)
12
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
68
Self Program Memory
YES
External Bus Interface
1
Dram Memory
sdram
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
3.0 to 3.6 or 4.5 to 5.5
Operating Voltage (vcc)
3.0 to 3.6 or 4.5 to 5.5
Fpu
Yes
Mpu / Mmu
Yes / No
Timers
6
Output Compare Channels
22
Input Capture Channels
12
Pwm Channels
20
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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6.2.1.1
52
AVR32
MPU Address Register - MPUARn
tem Register space, their addresses are presented in
accessed with the mtsr and mfsr instructions.
The MPU interface registers are shown below. The suffix n can have the range 0-7, indicating
which region the register is associated with.
Figure 6-1.
A MPU Address register is implemented for each of the 8 protection regions. The MPUAR regis-
ters specify the start address and size of the regions. The start address must be aligned so that
its alignment corresponds to the size of the region. The minimum allowable size of a region is 4
KB, so only bits 31:12 in the base address needs to be specified. The other bits are always 0.
Each MPUAR also has a valid bit that specifies if the protection region is valid. Only valid regions
are considered in the protection testing.
The MPUAR register consists of the following fields:
• Base address - The start address of the region. The minimum size of a region is 4KB, so only
MPUARn
MPUPSRn
MPUCRA / MPUCRB
MPUBRA / MPUBRB
MPUAPRA / MPUAPRB
MPUCR
the 20 most significant bits in the base address needs to be specified. The 12 lowermost
base address bits are implicitly set to 0. If protection regions larger than 4 KB is used, the
user must write the appropriate bits in Base address to 0, so that the base address is aligned
to the size of the region. Otherwise, the result is UNDEFINED.
31
31
31
31
31
31
AP7
28
The MPU interface registers
27
AP6
24
-
23
Base Address
AP5
20
-
-
19
AP4
16
16 15
-
15
14
AP3
13 12 11 10
“System registers” on page
12
11
12
AP2
11
9
8 7 6
8 7 6
8 7 6
8
-
7
6
AP1
5
5
5
5
4 3 2 1
4 3 2 1
4 3 2 1
4
Size
3
14. They are
32000D–04/2011
AP0
1
1
0
V
0
0
0
0
0
E
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