SPC560P34L1 datasheet(22/103 Pages) STMICROELECTRONICS

22 / 103 page

Introduction

SPC560P34L1, SPC560P34L3, SPC560P40L1, SPC560P40L3

22/103

Doc ID 16100 Rev 7

1.5.22

Serial communication interface module (LINFlex)

The LINFlex (local interconnect network flexible) on the SPC560P34/SPC560P40 features

the following:

●

Supports LIN Master mode (both instances), LIN Slave mode (only one instance) 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 of up to 64 bytes

–

Detection and flagging of LIN errors (sync field, delimiter, ID parity, bit framing,

checksum, and time-out)

–

Classic or extended checksum calculation

–

Configurable Break duration of up to 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

–

Autonomous LIN response handling

–

Optional discarding of irrelevant LIN responses using ID filter

●

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

–

2 receiver wake-up methods

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