AT32UC3C0256C Atmel Corporation, AT32UC3C0256C Datasheet - Page 1076
AT32UC3C0256C
Manufacturer Part Number
AT32UC3C0256C
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 AT32UC3C0256C
Flash (kbytes)
256 Kbytes
Pin Count
144
Max. Operating Frequency
66 MHz
Cpu
32-bit AVR
Hardware Qtouch Acquisition
No
Max I/o Pins
123
Ext Interrupts
144
Usb Transceiver
1
Quadrature Decoder Channels
2
Usb Speed
Full Speed
Usb Interface
Device + OTG
Spi
7
Twi (i2c)
3
Uart
5
Can
2
Lin
5
Ssc
1
Ethernet
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
16
Adc Resolution (bits)
12
Adc Speed (ksps)
2000
Analog Comparators
4
Resistive Touch Screen
No
Dac Channels
4
Dac Resolution (bits)
12
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
68
Self Program Memory
YES
External Bus Interface
1
Dram Memory
sdram
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
6
Output Compare Channels
22
Input Capture Channels
12
Pwm Channels
20
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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- AT32UC3A0128 PDF datasheet
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- AT32UC3C0128C PDF datasheet #3
- AT32UC3C0128C PDF datasheet #4
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35.5.1.2
35.5.2
35.5.2.1
32117C–AVR-08/11
Window Mode
ACIFA Interrupt
ACIFA Output
Each AC has one source of interrupt. The configuration of the source of the interruption is done
by writing in the Interrupt Settings field in the Configuration Register (CONF0.IS and CONF1.IS).
The interrupt can be triggered:
In window mode, the two ACs are grouped. The negative input of ACA and the positive input of
ACB are the same and are defined in the Window Common Input Selection field in the Window
Configuration register (WCONF.WINSEL). The positive input of ACA and the negative input of
ACB are still configured by CONF0.INSELP and CONF1.INSELN.
Like in normal mode, the ACs generate the acout[i] outputs according to the input voltages vip
(AC positive input) and vin
The ACIFA generates a window function signal (acwout) according to the common input voltage
to be compared:
The ACIFA generates two independent events (like in normal mode) according to the configura-
tion of EVSRC0 and EVSRC1:
• as soon as vipB < vinB or
• on toggle of the ACA output (acoutA) or
• on toggle of the ACB output (acoutB)
• as soon as vip > vin
• as soon as vip < vin
• on toggle of the AC output (acout[i])
• acout[i] = 1 if vip
• acout[i] = 0 if vip
• acout[i] = 0 if the AC output is not available (ie. SR.ACRDYi is still 0)
• acwout = 1 if the common input voltage is inside the window, vin
• acwout = 0 if the common input voltage is outside the window, v
• acwout = 0 if the window mode output is not available (ie. The Window Function Ready bit in
• as soon as vipA > vinA or
• as soon as vipA < vinA or
• as soon as vipB > vinB or
• as soon as vipB < vinB or
• as soon as vinB < vcommon < VipA or
• as soon as vcommon < vinB or vcommon > vipA or
• on toggle of the ACA output (acoutA) or
• on toggle of the ACB output (acoutB) or
• on toggle of the window compare output (acwout)
the Status Register (SR.WFRDY) is still 0)
i
i
> vin
< vin
i
i
i
(AC negative input):
common
B
< v
common
< vin
AT32UC3C
1
< vip
or v
common
A
> vip
1076
0
i
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