LQFP100 datasheet(23/112 Pages) STMICROELECTRONICS

23 / 112 page

SPC560P44Lx, SPC560P50Lx

Introduction

Doc ID 14723 Rev 9

23/112

1.5.24

Deserial serial peripheral interface (DSPI)

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

interface for communication between the SPC560P44Lx, SPC560P50Lx MCU and external

devices.

The DSPI modules provide these features:

●

Full duplex, synchronous transfers

●

Master or slave operation

●

Programmable master bit rates

●

Programmable clock polarity and phase

●

End-of-transmission interrupt flag

●

Programmable transfer baud rate

●

Programmable data frames from 4 to 16 bits

●

Up to 20 chip select lines available

–8 on DSPI_0

–

4 each on DSPI_1, DSPI_2 and DSPI_3

●

8 clock and transfer attributes registers

●

Chip select strobe available as alternate function on one of the chip select pins for

deglitching

●

FIFOs for buffering as many as 5 transfers on the transmit and receive side

●

Queueing operation possible through use of the eDMA

●

General purpose I/O functionality on pins when not used for SPI

1.5.25

Pulse width modulator (FlexPWM)

The pulse width modulator module (PWM) contains four PWM submodules, each capable of

controlling a single half-bridge power stage. There are also four fault channels.

This PWM is capable of controlling most motor types: AC induction motors (ACIM),

permanent magnet AC motors (PMAC), both brushless (BLDC) and brush DC motors

(BDC), switched (SRM) and variable reluctance motors (VRM), and stepper motors.

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