AT32UC3C0512CAU Atmel Corporation, AT32UC3C0512CAU Datasheet - Page 567
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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Manufacturer
Quantity
Price
- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- AT32UC3A0128AU PDF datasheet #3
- AT32UC3C0128C PDF datasheet #4
- AT32UC3C0128C PDF datasheet #5
- Current page: 567 of 1313
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25.6.1
Figure 25-2. Baud Rate Generator
25.6.1.1
32117C–AVR-08/11
Baud Rate Generator
CLK_USART/DIV
CLK
CLK_USART
Baud Rate in Asynchronous Mode
Reserved
USCLKS
The Baud Rate Generator provides the bit period clock named the Baud Rate Clock to both the
receiver and the transmitter.
The Baud Rate Generator clock source can be selected by setting the USCLKS field in the Mode
Register (MR) between:
The Baud Rate Generator is based upon a 16-bit divider, which is programmed with the CD field
of the Baud Rate Generator Register (BRGR). If CD is programmed at 0, the Baud Rate Gener-
ator does not generate any clock. If CD is programmed at 1, the divider is bypassed and
becomes inactive.
If the external CLK clock is selected, the duration of the low and high levels of the signal pro-
vided on the CLK pin must be longer than a CLK_USART period. The frequency of the signal
provided on CLK must be at least 4.5 times lower than CLK_USART.
If the USART is programmed to operate in asynchronous mode, the selected clock is first
divided by CD, which is field programmed in the Baud Rate Generator Register (BRGR). The
resulting clock is provided to the receiver as a sampling clock and then divided by 16 or 8,
depending on the programming of the OVER bit in MR.
If OVER is set to 1, the receiver sampling is 8 times higher than the baud rate clock. If OVER is
cleared, the sampling is performed at 16 times the baud rate clock.
0
1
2
3
• Test modes
• CLK_USART
• a division of CLK_USART, the divider being product dependent, but generally set to 8
• the external clock, available on the CLK pin
– Full LIN error checking and reporting
– Frame Slot Mode: the Master allocates slots to the scheduled frames automatically.
– Generation of the Wakeup signal
– Remote loopback, local loopback, automatic echo
16-bit Counter
CD
USCLKS= 3
0
SYNC
CD
>1
0
1
0
1
OVER
Sampling
Divider
FIDI
0
1
SYNC
AT32UC3C
CLK
BaudRate
Sampling
Clock
Clock
567
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