AT32UC3C2256C Atmel Corporation, AT32UC3C2256C Datasheet - Page 68
AT32UC3C2256C
Manufacturer Part Number
AT32UC3C2256C
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 AT32UC3C2256C
Flash (kbytes)
256 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)
68
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
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Quantity
Price
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- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- AT32UC3C0128C PDF datasheet #3
- AT32UC3C0128C PDF datasheet #4
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- Download datasheet (5Mb)
8.3.1
8.3.1.1
8.3.1.2
68
AVR32
Description of events in AVR32A
Reset Exception
OCD Stop CPU Exception
The addresses of the interrupt routines are calculated by adding the address on the autovector
offset bus to the value of the Exception Vector Base Address (EVBA). The INT0, INT1, INT2,
INT3, and NMI signals indicate the priority of the pending interrupt. INT0 has the lowest priority,
and NMI the highest priority of the interrupts. Implementations may require that EVBA is aligned
in an IMPLEMENTATION DEFINED way in order to support autovectoring.
The Reset exception is generated when the reset input line to the CPU is asserted. The Reset
exception can not be masked by any bit. The Reset exception resets all synchronous elements
and registers in the CPU pipeline to their default value, and starts execution of instructions at
address 0x8000_0000.
All other system registers are reset to their reset value, which may or may not be defined. Refer
to the Programming Model chapter for details.
The OCD Stop CPU exception is generated when the OCD Stop CPU input line to the CPU is
asserted. The OCD Stop CPU exception can not be masked by any bit. This exception is identi-
cal to a non-maskable, high priority breakpoint. Any subsequent operation is controlled by the
OCD hardware. The OCD hardware will take control over the CPU and start to feed instructions
directly into the pipeline.
SR = reset_value_of_SREG;
PC = 0x8000_0000;
RSR_DBG = SR;
RAR_DBG = PC;
SR[M2:M0] = B’110;
SR[R] = 0;
SR[J] = 0;
SR[D] = 1;
SR[DM] = 1;
SR[EM] = 1;
SR[GM] = 1;
32000D–04/2011
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