RPC56EL60L5BFSR datasheet(26/137 Pages) STMICROELECTRONICS

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Introduction

RPC56EL60L5

26/137

DocID026934 Rev 1



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. Two modules are included on

LFBGA257 devices; on the LQFP144 package, only one module is present. 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

A FlexPWM module implements the following features:



16 bits of resolution for center, edge aligned, and asymmetrical PWMs



Maximum operating frequency as high as 120 MHz

–

Clock source not modulated and independent from system clock (generated via

secondary FMPLL)



Fine granularity control for enhanced resolution of the PWM period



PWM outputs can operate as complementary pairs or independent channels



Ability to accept signed numbers for PWM generation



Independent control of both edges of each PWM output



Synchronization to external hardware or other PWM supported



Double buffered PWM registers

–

Integral reload rates from 1 to 16

–

Half cycle reload capability



Multiple ADC trigger events can be generated per PWM cycle via hardware



Fault inputs can be assigned to control multiple PWM outputs



Programmable filters for fault inputs



Independently programmable PWM output polarity



Independent top and bottom deadtime insertion



Each complementary pair can operate with its own PWM frequency and deadtime

values

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