
Preliminary User’s Manual U17790EJ1V0UD
17
19.10.3 Automatic block transmission (ABT)........................................................................................ 831
19.10.4 Transmission abort process..................................................................................................... 833
19.10.5 Remote frame transmission..................................................................................................... 834
19.11 Power Saving Modes ............................................................................................................835
19.11.1 CAN sleep mode ..................................................................................................................... 835
19.11.2 CAN stop mode ....................................................................................................................... 837
19.11.3 Example of using power saving modes ................................................................................... 838
19.12 Interrupt Function .................................................................................................................839
19.13 Diagnosis Functions and Special Operational Modes ......................................................840
19.13.1 Receive-only mode.................................................................................................................. 840
19.13.2 Single-shot mode..................................................................................................................... 841
19.13.3 Self-test mode ......................................................................................................................... 842
19.14 Time Stamp Function............................................................................................................843
19.14.1 Time stamp function ................................................................................................................ 843
19.15 Baud Rate Settings ...............................................................................................................845
19.15.1 Baud rate setting conditions .................................................................................................... 845
19.15.2 Representative examples of baud rate settings....................................................................... 849
19.16 Operation of CAN Controller ................................................................................................853
CHAPTER 20 DMA FUNCTION (DMA CONTROLLER) ....................................................................878
20.1
Features..................................................................................................................................878
20.2
Configuration .........................................................................................................................879
20.3
Registers ................................................................................................................................880
20.4
Transfer Targets ....................................................................................................................889
20.5
Transfer Modes......................................................................................................................889
20.6
Transfer Types.......................................................................................................................890
20.7
DMA Channel Priorities ........................................................................................................891
20.8
Time Related to DMA Transfer.............................................................................................891
20.9
DMA Transfer Start Factors .................................................................................................892
20.10 DMA Abort Factors................................................................................................................893
20.11 End of DMA Transfer.............................................................................................................893
20.12 Operation Timing...................................................................................................................893
20.13 Cautions .................................................................................................................................898
CHAPTER 21 CRC FUNCTION ............................................................................................................902
21.1
Functions ...............................................................................................................................902
21.2
Configuration .........................................................................................................................902
21.3
Registers ................................................................................................................................903
21.4
Operation................................................................................................................................904
21.5
Usage Method ........................................................................................................................905
CHAPTER 22 INTERRUPT/EXCEPTION PROCESSING FUNCTION ...............................................907
22.1
Features..................................................................................................................................907
22.2
Non-Maskable Interrupts ......................................................................................................912
22.2.1
Operation................................................................................................................................. 914
22.2.2
Restore.................................................................................................................................... 915
22.2.3
NP flag..................................................................................................................................... 916
22.3
Maskable Interrupts ..............................................................................................................917
22.3.1
Operation................................................................................................................................. 917