M405 – LIN Interface


  • 12 independent LIN channels 
  • Supports LIN specification 1.3, 2.0 and 2.1 
  • Up to 16 slaves per channel 
  • All channels are individually configurable as master or slave 
  • 30kOhms slave termination resistor 
  • Additional bus termination resistor for master (1kOhm) can be switched on by software 
  • Baud rate range: 2.4kBaud .. 20kBaud 
  • LIN channels are galvanically isolated against system supply 
  • Usable for LIN bus voltages up to 30V 
  • Special trace mode available for bus traces 
  • Each 4 channels are grouped and are galvanically isolated against each other group

Technical Data

LIN channels
  • 12 channels, arranged to 3 groups with 4 channels each 
  • 16 slaves per channel supported 
  • Each group is galvanically isolated against each other
Number of bytes per message
  • 8 (Tx-message), 16 (Rx-message)
Baud rate
  • 2.4 .. 20kBauda
Supported LIN specification versions
  • 1.3, 2.0 and 2.1, configurable per software
  • Each channel configurable as master or slave node 
  • Master termination switchable 
  • Wake-up capability 
  • Unpowered nodes do not disturb the network
Output stage supply voltage
  • 7..27V, reverse voltage protected
Overvoltage protection
  • -40V .. +40V
Supply current
  • 30mA per group (all channels slave mode)
  • 80mA per group (all channels master mode, 12V Operation)
Address space
  • A08D16 or A24D32 
  • Recommended: Use A24D32 for faster access times.
Available connectors
  • 25 Pin SubD connector, female

  • Simulating LIN nodes like HMI components, window servos, seatbelt tighteners 
  • Controlling actuators like servos of advanced front-lighting systems 
  • Aquiring user inputs from e.g. steering wheel buttons

  • M410 For CAN FD communication interfaces
  • M406 For PSI5 communication interfaces
  • M407 For SPI based sensor emulations
  • M414 For SENT communication interfaces