SDAA220 January   2026 MSPM0G3519

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction to LIN Protocol
    1. 1.1 Break Field
    2. 1.2 SYNC Byte Field
    3. 1.3 PID Field
    4. 1.4 Data
    5. 1.5 Checksum
  5. 2Initial Baud Rate Setting
  6. 3Realization of LIN Protocol MSPM0 UART/ UNICOMM UART
    1. 3.1 LIN Transmission
      1. 3.1.1 Break Field
      2. 3.1.2 Sync Field
      3. 3.1.3 PID Field
      4. 3.1.4 Data Field
      5. 3.1.5 Checksum
    2. 3.2 LIN Reception
      1. 3.2.1 Break Field Detection
      2. 3.2.2 SYNC Field Validation
    3. 3.3 LIN Transceiver
  7. 4Automatic Baud Rate Detection
    1. 4.1 Procedure to Measure Bit-width using MSPM0 UART / UNICOMM UART
    2. 4.2 Calculation of Correct Baud Rate
      1. 4.2.1 Crystal Error at Responder Node
  8. 5Deviation in Baud Rate after Synchronization
  9. 6References

3.1 LIN Transmission

Commander Mode: MSPM0 UART/UNICOMM UART generates the break, SYNC, and PID, and then sends or receives data after decoding the PID.