• According to PSI5 protocol specification V2.1 and extended powertrain substandard

  • Flexibility in configuration and monitoring for software

    • Supports both Asynchronous and Synchronous data transmission modes (controlled by microcontroller in Synchronous mode)

    • Support of Enhanced Serial Messages according to SENT SAE J2716 JAN 2010

    • Three 64-bit downstream data registers for data input, data preparation and data output

    • Sticky interrupt flags, error interrupt optional (default disabled)

    • One sum interrupt for general events

    • One sum interrupt on selectable errors

    • Optional output inversion for use of external open drain transistor

    • Optional input inversion for use of external open transistor for level shifting

  • Receive PSI5 frames based on the protocol standard

    • Data rates of 125 kbit/s and 189 kbit/s are supported

    • Independent and parallel PSI5 channels implemented

    • Supports 6 sensor slots per channel

    • Decoding Manchester protocol

    • Error recognition in Manchester code

    • CRC check of received sensor data implemented but CRC code transparent

    • 24-bit time stamp (resolution: 1 µs)

  • Transmit PSI5 frames based on the protocol standard

    • Support of ECU to Sensor communication

    • Configurable data word length 8, 10, 16, 20, 24 bits according to standard (PSI5 V1.3)

    • Support of non-standard V1.3 frame length: 11 to 33 bits

    • Generation of 3 or 6 CRC bits for downstream data

    • Start sequence and CRC generator for downstream data

  • Message Storage and FIFO access

    • Storage of up to 32 frames per channel with time stamp

    • FIFO access and management

    • Buffer overrun detection

    • Buffer memory status overview registers

  • Sending sync pulses

    • Downstream data transmission by variation of pulse length (PSI5 V2.1)

    • Downstream data transmission by leaving out sync pulses (PSI5 V1.3)

    • Staggering sync pulses of all channels to avoid too many channels sending sync pulses in parallel