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32180 Group User’s Manual (Rev.1.0)
CAN MODULE
Figure 13.3.2 CAN Protocol Frames (2)
13.3 CAN Protocol
Error flag
Error delimiter
Interframe space or overload flag
6–12
8
Overload flag
Overload delimiter
6–12
8
Interframe space or overload flag
Error frame
Overload frame
Interframe space
Intermission
Bus idle
SOF of the next frame
For the case of an error active state
3
0–
Suspend transmission
For the case of an error passive state
3
8
0–
SOF of the next frame
Bus idle
Intermission
Note: • The number in each field denotes the number of bits.
1
1
13.3.2 Data Formats during CAN Transmission/Reception
Figure 13.3.3 shows an example of the transmit/receive transfer data format that can be used in CAN. Data is
transmitted/received sequentially beginning with the MSB side of the CAN message slot (C0MSLnSID0–
C0MSLnDT7, C1MSLnSID0–C1MSLnDT7).
Figure 13.3.3 Example of a CAN Transmit/Receive Transfer Data Format
SOF
SID0
SID1
SID2
SID3
MSB
Arbitration field
CAN frame
Arbitration field
b0
b1
b2
b3
b4
MSB
Data field
Data field
Содержание M32R/ECU Series
Страница 17: ...12 This page is blank for reasons of layout...
Страница 18: ...CHAPTER 1 OVERVIEW 1 1 Outline of the 32180 Group 1 2 Block Diagram 1 3 Pin Functions 1 4 Pin Assignments...
Страница 712: ...CHAPTER 18 OSCILLATOR CIRCUIT 18 1 Oscillator Circuit 18 2 Clock Generator Circuit...
Страница 794: ...CHAPTER 22 TYPICAL CHARACTERISTICS...
Страница 795: ...22 22 2 32180 Group User s Manual Rev 1 0 TYPICAL CHARACTERISTICS To be written at a later time...
Страница 796: ...APPENDIX 1 MECHANICAL SPECIFICAITONS Appendix 1 1 Dimensional Outline Drawing...
Страница 798: ...APPENDIX 2 INSTRUCTION PROCESSING TIME Appendix 2 1 32180 Instruction Processing Time...
Страница 802: ...APPENDIX 3 PROCESSING OF UNUSED PINS Appendix 3 1 Example Processing of Unused Pins...