Expand description
Message Buffer 53 CS Register
Modules
- Bit Rate Switch. This bit defines whether the bit rate is switched inside a CAN FD format frame.
- Message Buffer Code. This 4-bit field can be accessed (read or write) by the CPU and by the FlexCAN module itself, as part of the message buffer matching and arbitration process.
- Length of the data to be stored/transmitted.
- Extended Data Length. This bit distinguishes between CAN format and CAN FD format frames. The EDL bit must not be set for Message Buffers configured to RANSWER with code field 0b1010.
- Error State Indicator. This bit indicates if the transmitting node is error active or error passive.
- ID Extended. One/zero for extended/standard format frame.
- Remote Transmission Request. One/zero for remote/data frame.
- Substitute Remote Request. Contains a fixed recessive bit.
- Free-Running Counter Time stamp. This 16-bit field is a copy of the Free-Running Timer, captured for Tx and Rx frames at the time when the beginning of the Identifier field appears on the CAN bus.