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32180 Group User’s Manual (Rev.1.0)
CAN MODULE
13.9 Precautions about CAN Module
13.9 Precautions about CAN Module
• Note for cancelation of transmit and receive CAN remote frame
When aborting remote frame transmission or canceling remote frame receiving, make sure that the RA (Remote
Active) bit is cleared to "0" after writing "H'00" or "H'0F" to the CAN Message Slot Control Register.
(1) When aborting remote frame transmission
Figure 13.9.1 Opertion Flow when Aborting Remote Frame Transmission
(2) When canceling remote frame receiving
Figure 13.9.2 Opertion Flow when Canceling Remote Frame Receiving
RA (Remote Active)
bit = "0"
Complete transmission
abort
Note 1: H'00 or H'0F can be used.
No
Yes
Start transmission abort
Write H'00 or H'0F to
CAN message slot
control register
(Note 1)
Read CAN message
slot control register
Complete receiving
abort
No
Yes
Start receiving abort
Write H'00 or H'0F to
CAN message slot
control register
(Note 1)
Read CAN message
slot control register
RA (Remote Active)
bit = "0"
Note 1: H'00 or H'0F can be used.
Summary of Contents for M32R/ECU Series
Page 17: ...12 This page is blank for reasons of layout...
Page 712: ...CHAPTER 18 OSCILLATOR CIRCUIT 18 1 Oscillator Circuit 18 2 Clock Generator Circuit...
Page 794: ...CHAPTER 22 TYPICAL CHARACTERISTICS...
Page 796: ...APPENDIX 1 MECHANICAL SPECIFICAITONS Appendix 1 1 Dimensional Outline Drawing...
Page 798: ...APPENDIX 2 INSTRUCTION PROCESSING TIME Appendix 2 1 32180 Instruction Processing Time...
Page 802: ...APPENDIX 3 PROCESSING OF UNUSED PINS Appendix 3 1 Example Processing of Unused Pins...