STPM32_V02 datasheet(84/89 Pages) STMICROELECTRONICS

84 / 89 page

8.4.9

Phase meter ........................................................... 35

8.4.10

Sag and swell detection .................................................. 36

8.4.11

Tamper detection ....................................................... 40

8.4.12

AH accumulation........................................................ 41

8.4.13

Status bits, event bits and interrupt masks .................................... 42

8.5

Functional description of communication peripheral ................................. 44

8.6

Communication protocol........................................................ 45

8.6.1

Synchronization and remote reset functionality ................................. 47

8.6.2

SPI peripheral .......................................................... 48

8.6.3

UART peripheral ........................................................ 50

8.6.4

UART/SPI status register and interrupt control register ........................... 52

Application design and calibration ................................................54

9.1

Application design ............................................................. 54

9.2

Application calibration.......................................................... 56

9.2.1

Voltage and current calibration (CHVx, CHCx bits) .............................. 56

9.2.2

Phase calibration (PHVx, PHCx bits) ........................................ 57

9.2.3

Power offset calibration (OFAx, OFAFx, OFRx, OFSx bits) ........................ 58

10.1

10.2

Configuration register .......................................................... 62

10.3

UART/SPI registers............................................................ 70

10.4

Data registers ................................................................ 71

Package information..............................................................74

11.1

QFN24L (4x4x1) 0.5 pitch package information .................................... 75

11.2

QFN32L (5x5x1) 0.5 pitch package information .................................... 77

11.3

QFN24L (4x4x1) packing information ............................................. 79

11.4

QFN32L (5x5x1) packing information ............................................. 79

Ordering information .............................................................81

Revision history .......................................................................82

List of tables ..........................................................................85

List of figures..........................................................................87

STPM32, STPM33, STPM34

Contents

DS10272 - Rev 13

page 84/89

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