L99MC6 datasheet(10/55 Pages) STMICROELECTRONICS

10 / 55 page

Introduction

L99MC6

10/32

Doc ID 16523 Rev 2

Table 2.

Pin functions

Symbol

Function

1 / TAB

GND

Ground:

Reference potential

6IN/PWM

IN/PWM direct mode:

Direct input for channel 2. Other channels can be driven in PWM mode via SPI.

8VCC

Logic voltage supply 3.3 V/5 V:

For this input a ceramic capacitor as close as possible to GND is recommended

SRC1

Source of configurable channel 1

DRN1

Drain of self configurable channel 1, in HS mode also VS supply

DRN2

Drain of self configurable channel 2

SRC2

Source of self configurable channel 2

DRN3

Drain of self configurable channel 3

SRC3

Source of self configurable channel 3

DRN4

Drain of channel 4

DRN5

Drain of channel 5

DRN6

Drain of channel 6

SPI data in:

The input requires CMOS logic levels and receives serial data from the

microcontroller. The data is a 16-bit control word and the most significant bit

(MSB, bit 7) is transferred first.

9DO

SPI data out:

The diagnosis data is available via the SPI and this tristate-output. The output

remains in tristate, if the chip is not selected by the input CSN (CSN = high).

7CSN

SPI chip select not (active low):

This input is low active and requires CMOS logic levels. The serial data transfer

between the L99MC6 and microcontroller is enabled by pulling the input CSN to

low-level.

SCK

SPI serial clock input:

This input controls the internal shift register of the SPI and requires CMOS logic

levels.

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