AT32UC3C2256C Atmel Corporation, AT32UC3C2256C Datasheet - Page 165
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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- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- AT32UC3C0128C PDF datasheet #3
- AT32UC3C0128C PDF datasheet #4
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- Download datasheet (20Mb)
Figure 10-4. Window Mode WDT Timing Diagram
Figure 10-5. Window Mode WDT Timing Diagram, clearing within T
32117C–AVR-08/11
C L R .W D T C L R
W a tc h d o g re s e t
C L R .W D T C L R
W a tch d o g re s e t
t= t
t= t
W rite o n e to
W rite o n e to
0
0
The PSEL and Time Ban Prescale Select (TBAN) fields in the CTRL Register selects the WDT
timeout period
where T
bit is not allowed. Doing so will result in a watchdog reset, the device will receive a reset and the
code will start executing form the boot vector, see
will be cleared.
Writing a one to the CLR.WDTCLR bit within the T
counter starts counting from zero (t=t
If the value in the CTRL Register is changed, the WDT counter will be cleared without a watch-
dog reset, regardless of if the value in the WDT counter and the TBAN value.
If the WDT counter reaches T
and the code will start executing form the boot vector.
T
T
tb a n
tb a n
T
timeout
tban
sets the time period when clearing the WDT counter by writing to the CLR.WDTCLR
= T
tban
+ T
psel
= (2
timeout
(TBAN+1)
, the counter will be cleared, the device will receive a reset
0
), entering T
+ 2
(PSEL+1)
tban
, resulting in watchdog reset.
T
T
p s e l
) / f
p s e l
tban
psel
Figure 10-5 on page
clk_cnt
, see
period will clear the WDT counter and the
Figure 10-4 on page
165. The WDT counter
AT32UC3C
T im e o u t
T im e o u t
165.
165
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