AT32UC3A464 Atmel Corporation, AT32UC3A464 Datasheet - Page 82
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AT32UC3A464
Manufacturer Part Number
AT32UC3A464
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 AT32UC3A464
Flash (kbytes)
64 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
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
Company:
Part Number:
AT32UC3A464-CIUT
Manufacturer:
ATMEL
Quantity:
180
Part Number:
AT32UC3A464-CIUT
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
AT32UC3A464-U
Manufacturer:
XILINX
Quantity:
1
Company:
Part Number:
AT32UC3A464S-U
Manufacturer:
ATMEL
Quantity:
551
- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- AT32UC3A0128 PDF datasheet #3
- AT32UC3A3128 PDF datasheet #4
- AT32UC3A3128 PDF datasheet #5
- Current page: 82 of 377
- Download datasheet (5Mb)
8.3.2.4
8.3.2.5
8.3.2.6
82
AVR32
TLB Multiple Hit Exception
Bus Error Exception on Data Access
Bus Error Exception on Instruction Fetch
TLB Multiple Hit exception is issued when multiple address matches occurs in the TLB, causing
an internal inconsistency.
This exception signals a critical error where the hardware is in an undefined state. All interrupts
are masked, and PC is loaded with EVBA + 0x04. MMU-related registers are updated with infor-
mation in order to identify the failing address and the failing TLB if multiple TLBs are present.
TLBEHI[ASID] is unchanged after the exception, and therefore identifies the ASID that caused
the exception.
The Bus Error on Data Access exception is generated when the data bus detects an error condi-
tion. This exception is caused by events unrelated to the instruction stream, or by data written to
the cache write-buffers many cycles ago. Therefore, execution can not be resumed in a safe
way after this exception. The value placed in RAR_EX is unrelated to the operation that caused
the exception. The exception handler is responsible for performing the appropriate action.
The Bus Error on Instruction Fetch exception is generated when the data bus detects an error
condition. This exception is caused by events related to the instruction stream. Therefore, exe-
cution can be restarted in a safe way after this exception, assuming that the condition that
caused the bus error is dealt with.
RSR_EX = SR;
RAR_EX = PC of offending instruction;
TLBEAR = FAILING_VIRTUAL_ADDRESS;
TLBEHI[VPN] = FAILING_PAGE_NUMBER;
TLBEHI[I] = 0/1, depending on which TLB caused the error;
SR[R] = 0;
SR[J] = 0;
SR[M2:M0] = B’110;
SR[EM] = 1;
SR[GM] = 1;
PC = EVBA + 0x04;
RSR_EX = SR;
RAR_EX = PC of first non-issued instruction;
SR[R] = 0;
SR[J] = 0;
SR[M2:M0] = B’110;
SR[EM] = 1;
SR[GM] = 1;
PC = EVBA + 0x08;
RSR_EX = SR;
RAR_EX = PC;
SR[R] = 0;
SR[J] = 0;
SR[M2:M0] = B’110;
SR[EM] = 1;
32000D–04/2011
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