DCAN Control Registers
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SPNU563A–March 2018
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Controller Area Network (DCAN) Module
Table 27-29. IF3 Observation Register (DCAN IF3OBS) Field Descriptions (continued)
Bit Field Value Description
9 IF3 SA IF3 Status of Arbitration data read access.
0 All Arbitration data bytes are already read or are not marked to be read.
1 Arbitration section still has data to read.
8 IF3 SM IF3 Status of Mask data read access.
0 All Mask data bytes are already read or are not marked to be read.
1 Mask section still has data to read.
7-5 Reserved 0 These bits are always read as 0. Writes have no effect
4 Data B Data B read observation.
0 Data B section does not need to be read.
1 Data B section has to be read to enable next IF3 update.
3 Data A Data A read observation.
0 Data A section does not need to be read.
1 Data A section has to be read to enable next IF3 update.
2 Ctrl Ctrl read observation.
0 Ctrl section does not need to be read.
1 Ctrl section has to be read to enable next IF3 update.
1 Arb Arbitration data read observation.
0 Arbitration data does not need to be read.
1 Arbitration data has to be read to enable next IF3 update.
0 Mask Mask data read observation.
0 Mask data does not need to be read.
1 Mask data has to be read to enable next IF3 update.
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