L9679P datasheet(112/272 Pages) STMICROELECTRONICS

Teilenummer	L9679P

Bauteilbeschribung	Automotive advanced airbag IC for mid/high end applications

PDF	272 Pages

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Hersteller	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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112 / 272 page

SPI interfaces

L9679P

112/272

DocID029275 Rev 1

7.3.34

Global configuration register for GPO driver function (GPOCR)

ID:

Type:

R/W

Read:

4200

Write:

0084

01 125 ns switching ON shift respect to t0

10 250 ns switching ON shift respect to t0

11 375 ns switching ON shift respect to t0

ERBST_PH_SEL[1:0]

ER Boost phase shifting selection (if switching frequency is different respect

to another regulator, the phase shift between them is not guaranteed)

Updated by POR or SPI write

00 0 ns switching ON shift respect to t0

01 125 ns switching ON shift respect to t0

10 250 ns switching ON shift respect to t0

11 375 ns switching ON shift respect to t0

MOSI

-X

MISO

GPOxLS

0 GPO driver configuration bit

Updated by SSM_RESET or SPI write

0 High-side Driver configuration for GPOx (ER_BOOST_OK is required to

enable GPO as HS)

1 Low-side Driver configuration for GPOx (ER_BOOST_OK is not required

to enable GPO as LS)

L9679P Datenblatt(PDF) 112 Page - STMicroelectronics