SPC560P54x datasheet(22/105 Pages) STMICROELECTRONICS

22 / 105 page

Introduction

SPC56xP54x, SPC56xP60x

22/105

DocID18340 Rev 6

1.5.21

Serial communication interface module (LINFlex)

The LINFlex on the SPC56xP54x/SPC56xP60x features the following:



Supports LIN Master mode (on both modules), LIN Slave mode (on one module) and

UART mode



LIN state machine compliant to LIN1.3, 2.0, and 2.1 Specifications



Handles LIN frame transmission and reception without CPU intervention



LIN features

–

Autonomous LIN frame handling

–

Message buffer to store Identifier and up to 8 data bytes

–

Supports message length as long as 64 bytes

–

Detection and flagging of LIN errors: Sync field; Delimiter; ID parity; Bit; Framing;

Checksum and Time-out errors

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Classic or extended checksum calculation

–

Configurable Break duration as long as 36-bit times

–

Programmable Baud rate prescalers (13-bit mantissa, 4-bit fractional)

–

Diagnostic features: Loop back; Self Test; LIN bus stuck dominant detection

–

Interrupt-driven operation with 16 interrupt sources



LIN slave mode features

–

Autonomous LIN header handling

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Autonomous LIN response handling



UART mode

–

Full-duplex operation

–

Standard non return-to-zero (NRZ) mark/space format

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Data buffers with 4-byte receive, 4-byte transmit

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Configurable word length (8-bit or 9-bit words)

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Error detection and flagging

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Parity, Noise and Framing errors

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Interrupt-driven operation with four interrupt sources

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Separate transmitter and receiver CPU interrupt sources

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16-bit programmable baud-rate modulus counter and 16-bit fractional

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2 receiver wake-up methods

1.5.22

Deserial serial peripheral interface (DSPI)

The deserial serial peripheral interface (DSPI) module provides a synchronous serial

interface for communication between the SPC56xP54x/SPC56xP60x MCU and external

devices.

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