Datasheet

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FlexRay Module Registers

Table 26-169. 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

0 No syntax error observed on channel A

1 Syntax error 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 received on channel B

1 Valid frame 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 received on channel A

1 Valid frame 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.

1355

SPNU563–May 2014 FlexRay Module

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