AT32UC3C1128C Atmel Corporation, AT32UC3C1128C Datasheet - Page 764
AT32UC3C1128C
Manufacturer Part Number
AT32UC3C1128C
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 AT32UC3C1128C
Flash (kbytes)
128 Kbytes
Pin Count
100
Max. Operating Frequency
66 MHz
Cpu
32-bit AVR
Hardware Qtouch Acquisition
No
Max I/o Pins
81
Ext Interrupts
100
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)
36
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
6
Output Compare Channels
22
Input Capture Channels
12
Pwm Channels
19
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT32UC3C1128C-AUR
Manufacturer:
ATMEL
Quantity:
870
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29.6.1.2
29.6.1.3
29.6.1.4
32117C–AVR-08/11
Sampling method
Operating modes
Overrun mode
Table 29-2.
The bit duration is given by the formula:
Note: PRES should not be set to 0, therefore CAN clock is at least divided by 2.
Bits are sampled between PHASE_SEG1 and PHASE_SEG2. By writing the Sampling Method
bit (CANCFG.SM) to one, three samples are taken and a majority vote is performed.
Figure 29-3. Sampling by Majority Voting
Majority voting must not be used when the Prescaler field (CANCFG.PRES) is equal to zero.
CANIF has three operating modes, selectable by the Channel Mode field (CANCFG.CMODE):
When Overrun Mode is disabled, the MOb is disabled after successfully receiving a message.
This prevents overwriting the received message if a second message is received. Overrun Mode
is disabled by writing a zero to CANCFG.OVRM. Overrun Mode is disabled by default.
Sync Jump Width
PHASE_SEG2
– Normal mode (CANCFG.CMODE=00)
– Listening mode (CANCFG.CMODE=01)
– Loop back mode (CANCFG.CMODE=10)
Parameter
Prescaler
Default mode, TX and RX lines are connected to the transceiver. This mode is used
to communicate with other nodes on the bus.
The TX line is disconnected from the transceiver. The CAN channel cannot send any
message nor acknowledge when a message has been received. The channel is in
Error Passive mode and Transmit/Receive Error Counters (TEC/REC) are frozen.
This mode is used to listen to CAN bus.
The TX line is internally connected to the RX line and disconnected from the
transceiver. The CAN channel can only send messages or acknowledges to itself.
The channel is in Error Passive mode and TEC/REC are frozen. This mode is used
to detect the bit rate of the CAN bus by successive configuration of bit timing.
Tbit = (PRS + PHS1 + PHS2 + 4) x (PRES + 1) x
CAN Parameter Settings
CAN clock
Samples
[1..8]TQ
Range
[2..32]
[1..4]
Bit
PHASE_SEG1
CANCFG field
S1
PRES + 1
PHS2 + 1
SJW + 1
S2
SP
PHASE_SEG2
P
GCLK_CANIF
AT32UC3C
764
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