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FlexRay Module Registers
1383
SPNU563A–March 2018
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FlexRay Module
Table 26-133. Aggregated Channel Status Register (ACS) Field Descriptions (continued)
Bit Field Value Description
9 SEDB Syntax error detected on channel B. One or more syntax errors in static or dynamic slots including
symbol window and NIT were observed on channel B.
0 No syntax error is observed.
1 Syntax error is observed on channel B.
8 VFRB Valid frame received on channel B. One or more valid frames were received on channel B in any static
or dynamic slot during the observation period. Reset is under control of the host.
0 No valid frame is received.
1 Valid frame is received on channel B.
7-5 Reserved 0 Reads return 0. Writes have no effect.
4 SBVA Slot boundary violation on channel A. One or more slot boundary violations were observed on channel
A at any time during the observation period (static or dynamic slots including symbol window and NIT).
0 No slot boundary violation is observed.
1 Slot boundary violation is observed on channel A.
3 CIA Communication indicator channel A. One or more valid frames were received on channel A in slots that
also contained any additional communication during the observation period, that is, one or more slots
received a valid frame AND had any combination of either syntax error OR content error OR slot
boundary violation.
0 No valid frame is received in slots containing any additional communication.
1 Valid frame is received on channel A in slots containing any additional communication.
2 CEDA Content error detected on channel A. One or more frames with a content error were received on
channel A in any static or dynamic slot during the observation period.
0 No frame with content error is received.
1 Frame with content error is received on channel A.
1 SEDA Syntax error detected on channel A. One or more syntax errors in static or dynamic slots including
symbol window and NIT were observed on channel A.
0 No syntax error is observed.
1 Syntax error is observed on channel A.
0 VFRA Valid frame received on channel A. One or more valid frames were received on channel A in any static
or dynamic slot during the observation period.
0 No valid frame is received.
1 Valid frame is received on channel A.
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