AT32UC3C264C Atmel Corporation, AT32UC3C264C Datasheet - Page 70
AT32UC3C264C
Manufacturer Part Number
AT32UC3C264C
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 AT32UC3C264C
Flash (kbytes)
64 Kbytes
Pin Count
64
Max. Operating Frequency
66 MHz
Cpu
32-bit AVR
Hardware Qtouch Acquisition
No
Max I/o Pins
45
Ext Interrupts
64
Usb Transceiver
1
Quadrature Decoder Channels
1
Usb Speed
Full Speed
Usb Interface
Device + OTG
Spi
5
Twi (i2c)
2
Uart
4
Can
2
Lin
4
Ssc
1
Ethernet
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
11
Adc Resolution (bits)
12
Adc Speed (ksps)
2000
Analog Comparators
2
Resistive Touch Screen
No
Dac Channels
2
Dac Resolution (bits)
12
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
20
Self Program Memory
YES
Dram Memory
No
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
3
Output Compare Channels
13
Input Capture Channels
6
Pwm Channels
14
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT32UC3C264C-A2UR
Manufacturer:
INTERSIL
Quantity:
1 670
Part Number:
AT32UC3C264C-U
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- AT32UC3C0128C PDF datasheet #3
- AT32UC3C0128C PDF datasheet #4
- Current page: 70 of 377
- Download datasheet (5Mb)
8.3.1.5
8.3.1.6
8.3.1.7
70
AVR32
Bus Error Exception on Data Access
Bus Error Exception on Instruction Fetch
NMI 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.
The NMI exception is generated when the NMI input line to the core is asserted. The NMI excep-
tion can not be masked by the SR[GM] bit. However, the core ignores the NMI input line when
processing an NMI Exception (the SR[M2:M0] bits are B’111). This guarantees serial execution
of NMI Exceptions, and simplifies the NMI hardware and software mechanisms.
Since the NMI exception is unrelated to the instruction stream, the instructions in the pipeline are
allowed to complete. After finishing the NMI exception routine, execution should continue at the
instruction following the last completed instruction in the instruction stream.
*(--SP
*(--SP
SR[R] = 0;
SR[J] = 0;
SR[M2:M0] = B’110;
SR[EM] = 1;
SR[GM] = 1;
PC = EVBA + 0x08;
*(--SP
*(--SP
SR[R] = 0;
SR[J] = 0;
SR[M2:M0] = B’110;
SR[EM] = 1;
SR[GM] = 1;
PC = EVBA + 0x0C;
*(--SP
*(--SP
SR[R] = 0;
SR[J] = 0;
SR[M2:M0] = B’111;
SR[EM] = 1;
SR[GM] = 1;
PC = EVBA + 0x10;
SYS
SYS
SYS
SYS
SYS
SYS
) = PC of first non-issued instruction;
) = SR;
) = PC of first non-issued instruction;
) = SR;
) = PC of first noncompleted instruction;
) = SR;
32000D–04/2011
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