L99PD08 datasheet(7/41 Pages) STMICROELECTRONICS

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L99PD08

Pin definitions and functions

Doc ID 15872 Rev 3

7/41

Pin definitions and functions

Table 2.

Pin definition and function

Symbol

Function

CLK_IN0

PWM clock input 0

CLK_IN1

PWM clock input 1

3, 13

GND

Common ground

VDDIO

I/O and 3.3 V voltage regulator supply (3.3 V or 5 V)

FAULTN

Failure on HSD or communication error

SYNC

Output of OUT0-OUT7 signals, selected by control register

MUX_ST/CS

Output from ST/CS multiplexer

VCORE3

Core supply voltage (3.3 V only)

SCK

ST-SPI – serial clock input

SDI

ST-SPI – serial data input

SDO

ST-SPI – serial data output

CSN

ST-SPI – chip select input

Enable pin

N.C.

Not connected

LHOMEN

Active mode pull-up supply – limp home

ST7/CS7

Input from HSD status / current sense pin

OUT7

Output to High side driver – channel 7

ST6/CS6

Input from HSD status / current Sense pin

OUT6

Output to high side driver – channel 6

ST5/CS5

Input from HSD status / current sense pin

OUT5

Output to high side driver – channel 5

ST4/CS4

Input from HSD status / current sense pin

OUT4

Output to high side driver – channel 4

ST3/CS3

Input from HSD status / current sense pin

OUT3

Output to high side driver – channel 3

ST2/CS2

Input from HSD status / current sense pin

OUT2

Output to high side driver – channel 2

ST1/CS1

Input from HSD status / current sense pin

OUT1

Output to high side driver – channel 1

ST0/CS0

Input from HSD status / current sense pin

OUT0

Output to high side driver – channel 0

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