AT32UC3A3256 Atmel Corporation, AT32UC3A3256 Datasheet - Page 89
AT32UC3A3256
Manufacturer Part Number
AT32UC3A3256
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 AT32UC3A3256
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
Company
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Manufacturer
Quantity
Price
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Part Number:
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Company:
Part Number:
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Manufacturer:
ATMEL
Quantity:
89
Part Number:
AT32UC3A3256S-U
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
8.3.2.22
8.3.2.23
8.3.2.24
32000D–04/2011
DTLB Read Protection Exception
DTLB Write Protection Exception
Privilege Violation Exception
The DTLB Protection exception is generated when the data memory read violates the access
rights specified by the protection bits of the addressed virtual page.
The DTLB Protection exception is generated when the data memory write violates the access
rights specified by the protection bits of the addressed virtual page.
If the application tries to execute privileged instructions, this exception is issued. The complete
list of priveleged instructions is shown in Table 8-2. When entering the exception routine, the
address of the instruction that caused the exception is stored as yhe stacked return address.
RSR_EX = SR;
RAR_EX = PC;
TLBEAR = FAILING_VIRTUAL_ADDRESS;
TLBEHI[VPN] = FAILING_PAGE_NUMBER;
TLBEHI[I] = 0;
SR[R] = 0;
SR[J] = 0;
SR[M2:M0] = B’110;
SR[EM] = 1;
SR[GM] = 1;
PC = EVBA + 0x3C;
RSR_EX = SR;
RAR_EX = PC;
TLBEAR = FAILING_VIRTUAL_ADDRESS;
TLBEHI[VPN] = FAILING_PAGE_NUMBER;
TLBEHI[I] = 0;
SR[R] = 0;
SR[J] = 0;
SR[M2:M0] = B’110;
SR[EM] = 1;
SR[GM] = 1;
PC = EVBA + 0x40;
RSR_EX = SR;
RAR_EX = PC;
SR[R] = 0;
SR[J] = 0;
SR[M2:M0] = B’110;
SR[EM] = 1;
SR[GM] = 1;
PC = EVBA + 0x28;
AVR32
89