Catalogue
1. Function introduction.......................................................................................................................................................4
1.1 Summary...................................................................................................................................................................4
1.2 Product characteristics......................................................................................................................................... 4
1.3 Product model........................................................................................................................................................ 4
1.4 Applications............................................................................................................................................................. 5
2. Hardware description...................................................................................................................................................... 5
2.1 Product appearance............................................................................................................................................ 5
2.2 Pin definition.............................................................................................................................................................5
2.3 IO description.......................................................................................................................................................... 7
2.4 UART to CAN hardware circuit............................................................................................................................ 7
2.5 SPI to CAN hardware circuit................................................................................................................................ 8
2.6 Peripheral protection circuit..............................................................................................................................10
2.7 Recommended networking mode..................................................................................................................11
3. Product application.......................................................................................................................................................11
3.1 Noun interpretation..............................................................................................................................................11
3.2 Work pattern.......................................................................................................................................................... 12
3.2.1 UART to CAN mode.................................................................................................................................. 14
3.2.2 SPI to CAN mode...................................................................................................................................... 15
3.2.3 UART configuration mode.......................................................................................................................19
3.2.4 SPI configuration mode........................................................................................................................... 19
3.3 Data conversion mode.......................................................................................................................................19
3.3.1Transparent conversion.............................................................................................................................19
3.3.2 Transparent conversion with identification.........................................................................................28
3.3.3 Custom protocol conversion..................................................................................................................35
4. Product configuration................................................................................................................................................... 40
4.1 Configuration parameter...................................................................................................................................40
4.1.1 Conversion parameter............................................................................................................................ 40
4.1.2 UART parameters.......................................................................................................................................41
4.1.3 SPI parameters........................................................................................................................................... 42
4.1.4 CAN parameters....................................................................................................................................... 42
4.2 Factory default configuration...........................................................................................................................44
