SPC56EL70L3 datasheet(25/128 Pages) STMICROELECTRONICS

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SPC56EL70L3, SPC56EL70L5,PC564L70L3, SPC564L70L5

Introduction

127

1.5.29

Deserial serial peripheral interface (DSPI)

The DSPI modules provide a synchronous serial interface for communication between the

SPC56XL70 and external devices.

A DSPI module provides 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



As many as 8 chip select lines available, depending on package and pin multiplexing



4 clock and transfer attributes registers



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

glitching



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

1.5.30

FlexPWM

The pulse width modulator module (FlexPWM) contains four PWM channels, each of which

is configured to control a single half-bridge power stage. One module is present in LQFP144

package. Additionally, four fault input channels are provided per FlexPWM module.

This PWM is capable of controlling most motor types, including:



AC induction motors (ACIM)



Permanent Magnet AC motors (PMAC)



Brushless (BLDC) and brush DC motors (BDC)



Switched (SRM) and variable reluctance motors (VRM)



Stepper motors

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