AT32UC3C2256C Atmel Corporation, AT32UC3C2256C Datasheet - Page 1232
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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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT32UC3C2256C-A2UR
Manufacturer:
Cirrus
Quantity:
48
Part Number:
AT32UC3C2256C-U
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
AT32UC3C2256C-Z
Manufacturer:
ATMEL
Quantity:
261
Company:
Part Number:
AT32UC3C2256C-Z2UR
Manufacturer:
ATMEL
Quantity:
93
- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- AT32UC3C0128C PDF datasheet #3
- AT32UC3C0128C PDF datasheet #4
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- Download datasheet (20Mb)
32117C–AVR-08/11
The CRC is calculated from the command/response, length, and data fields. The polynomial
used is the FCS16 (or CRC-16-CCIT) in reverse mode (0x8408) and the starting value is
0x0000.
Example command
Below is an example command from the master with additional data.
Figure 39-9. Example Command
Example response
Below is an example response from the slave with additional data.
Figure 39-10. Example Response
Avoiding drive contention when changing direction
The aWire debug protocol uses one dataline in both directions. To avoid both the master and the
slave to drive this line when changing direction the AW has a built in guard time before it starts to
drive the line. At reset this guard time is set to maximum (128 bit cycles), but can be lowered by
the master upon command.
The AW will release the line immediately after the stop character has been transmitted.
baud_rate_clk
data_pin
field
...
baud_rate_clk
data_pin
field
...
sync(0x55)
data(MSB)
sync(0x55)
data(MSB)
command(0x81)
data(LSB)
response(0xC1)
data(LSB)
length(MSB)
CRC(MSB)
length(MSB)
CRC(MSB)
length(lsb)
CRC(lsb)
length(lsb)
CRC(lsb)
AT32UC3C
1232
...
...
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