AT32UC3C0512CAU Atmel Corporation, AT32UC3C0512CAU Datasheet - Page 688
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AT32UC3C0512CAU
Manufacturer Part Number
AT32UC3C0512CAU
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(377 pages)
2.AT32UC3A0128.pdf
(159 pages)
3.AT32UC3A0128AU.pdf
(2 pages)
4.AT32UC3C0128C.pdf
(1313 pages)
5.AT32UC3C0128C.pdf
(108 pages)
Specifications of AT32UC3C0512CAU
Flash (kbytes)
512 Kbytes
Pin Count
144
Max. Operating Frequency
66 MHz
Cpu
32-bit AVR
# Of Touch Channels
32
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
Available stocks
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- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- AT32UC3A0128AU PDF datasheet #3
- AT32UC3C0128C PDF datasheet #4
- AT32UC3C0128C PDF datasheet #5
- Current page: 688 of 1313
- Download datasheet (20Mb)
26.8.12
Name:
Access Type:
Offset:
Reset Value:
• DLYBCT: Delay Between Consecutive Transfers
• DLYBS: Delay Before SPCK
• SCBR: Serial Clock Baud Rate
32117C–AVR-08/11
31
23
15
7
This field defines the delay between two consecutive transfers with the same peripheral without removing the chip select. The
delay is always inserted after each transfer and before removing the chip select if needed.
When DLYBCT equals zero, no delay between consecutive transfers is inserted and the clock keeps its duty cycle over the
character transfers.
Otherwise, the following equation determines the delay:
This field defines the delay from NPCS valid to the first valid SPCK transition.
When DLYBS equals zero, the NPCS valid to SPCK transition is 1/2 the SPCK clock period.
Otherwise, the following equations determine the delay:
In Master Mode, the SPI Interface uses a modulus counter to derive the SPCK baud rate from the CLK_SPI. The Baud rate is
selected by writing a value from 1 to 255 in the SCBR field. The following equations determine the SPCK baud rate:
Writing the SCBR field to zero is forbidden. Triggering a transfer while SCBR is zero can lead to unpredictable results.
At reset, SCBR is zero and the user has to write it to a valid value before performing the first transfer.
If a clock divider (SCBRn) field is set to one and the other SCBR fields differ from one, access on CSn is correct but no correct
access will be possible on other CS.
Delay Between Consecutive Transfers
Delay Before SPCK
SPCK Baudrate
Chip Select Register 3
30
22
14
6
CSR3
Read/Write
0x3C
0x00000000
=
BITS
CLKSPI
---------------------
=
SCBR
-------------------- -
CLKSPI
DLYBS
29
21
13
5
=
32
----------------------------------- -
28
20
12
4
CLKSPI
×
DLYBCT
DLYBCT
DLYBS
SCBR
CSAAT
27
19
11
3
CSNAAT
26
18
10
2
NCPHA
25
17
9
1
AT32UC3C
CPOL
24
16
8
0
688
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