AT32UC3L0256 Atmel Corporation, AT32UC3L0256 Datasheet - Page 777
AT32UC3L0256
Manufacturer Part Number
AT32UC3L0256
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(377 pages)
2.AT32UC3A0128.pdf
(159 pages)
3.AT32UC3L0128.pdf
(85 pages)
4.AT32UC3L0128.pdf
(852 pages)
Specifications of AT32UC3L0256
Flash (kbytes)
256 Kbytes
Pin Count
48
Max. Operating Frequency
50 MHz
Cpu
32-bit AVR
# Of Touch Channels
17
Hardware Qtouch Acquisition
Yes
Max I/o Pins
36
Ext Interrupts
36
Usb Speed
No
Usb Interface
No
Spi
5
Twi (i2c)
2
Uart
4
Lin
4
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
12
Adc Speed (ksps)
460
Analog Comparators
8
Resistive Touch Screen
No
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
16
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
Yes
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.62 to 3.6
Operating Voltage (vcc)
1.62 to 3.6
Fpu
No
Mpu / Mmu
Yes / No
Timers
6
Output Compare Channels
18
Input Capture Channels
12
Pwm Channels
35
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT32UC3L0256-D3HR
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
AT32UC3L0256-H
Manufacturer:
ATMEL
Quantity:
270
Part Number:
AT32UC3L0256-H
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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Table 31-31. aWire Packet Format
32145A–12/2011
Field
LENGTH
DATA
CRC
Number of bytes
2
LENGTH
2
CRC calculation
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 31-9. Example Command
Example response
Below is an example response from the slave with additional data.
Figure 31-10. Example Response
baud_rate_clk
data_pin
field
...
baud_rate_clk
data_pin
field
...
Description
The number of bytes in the DATA
field.
Data according to command/
response.
CRC calculated with the FCS16
polynomial.
sync(0x55)
data(MSB)
sync(0x55)
data(MSB)
command(0x81)
data(LSB)
response(0xC1)
data(LSB)
Comment
CRC value of 0x0000 makes the aWire
disregard the CRC if the master does not
support it.
length(MSB)
CRC(MSB)
length(MSB)
CRC(MSB)
AT32UC3L0128/256
length(lsb)
CRC(lsb)
length(lsb)
CRC(lsb)
Optional
Yes
Yes
No
...
...
777
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