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FlexRay Module Registers
1395
SPNU563A–March 2018
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FlexRay Module
Table 26-145. Message Handler Constraint Flags (MHDF) Field Descriptions (continued)
Bit Field Value Description
1 SNUB Status not updated channel B. This flag is set by the communication controller when the Message
Handler, due to overload condition, was not able to update a message buffer's status MBS with respect
to channel B.
0 No overload condition occurred when updating MBS for channel B.
1 MBS for channel B is not updated.
0 SNUA Status not updated channel A. This flag is set by the communication controller when the Message
Handler, due to overload condition, was not able to update a message buffer's status MBS with respect
to channel A.
0 No overload condition occurred when updating MBS for channel A.
1 MBS for channel A is not updated.
NOTE: When one of the flags SNUA, SNUB, FNFA, FNFB, TBFA, TBFB, WAHP changes from 0 to
1, interrupt flag MHF in the Error Interrupt register (EIR) is set to 1.
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