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FlexRay Module Registers
1413
SPNU563A–March 2018
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FlexRay Module
Table 26-163. Message Buffer Status Register (MBS) Field Descriptions (continued)
Bit Field Value Description
2 SEOA Syntax error observed on channel A. A syntax error was observed in the assigned slot on channel
A.
0 No syntax error is observed on channel A.
1 Syntax error is observed on channel A.
1 VFRB Valid frame received on channel B. A valid frame indication is set if a valid frame was received on
channel B.
0 No valid frame is received on channel B.
1 Valid frame is received on channel B.
0 VFRA Valid frame received on channel A. A valid frame indication is set if a valid frame was received on
channel A.
0 No valid frame is received on channel A.
1 Valid frame is received on channel A.
NOTE: The status bits RESS, PPPIS, NFIS, FYNS, SFIS and RCIS are updated from both valid
data and null frames. If no valid frame was received, the previous value is maintained.
The FlexRay protocol specification requires that FTA, and FTB can only be reset by the
CPU. Therefore the Cycle Count Status CCS for these bits is only valid for the cycle where
the bits are set to 1.
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