SPC560P34L1 datasheet(23/103 Pages) STMICROELECTRONICS

23 / 103 page

SPC560P34L1, SPC560P34L3, SPC560P40L1, SPC560P40L3

Introduction

Doc ID 16100 Rev 7

23/103

1.5.23

Deserial serial peripheral interface (DSPI)

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

interface for communication between the SPC560P34/SPC560P40 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 8 chip select lines available:

–8 on DSPI_0

–

4 each on DSPI_1 and DSPI_2

●

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 up to 4 transfers on the transmit and receive side

●

Queueing operation possible through use of the I/O processor or eDMA

●

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

1.5.24

Pulse width modulator (FlexPWM)

The pulse width modulator module (PWM) contains four PWM submodules each of which is

set up to control a single half-bridge power stage. There are also three 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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