L9679ETR datasheet(53/127 Pages) STMICROELECTRONICS

Part #	L9679ETR

Description	Automotive battery cut-off circuit and airbag system expansion IC

PDF	127 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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53 / 127 page

[16:10]

0x00

ADCREQ_X[6:0]: ADC Request select command

Updated by SSM_RESET or SPI write to DIAGCTRL_x measurement

0x00: Unused

0x01: ADC ground reference

0x02: ADC full scale reference

0x06: Squib/Pyroswitch x resistance

0x07: Internal BG reference voltage (BGR)

0x08: Internal BG monitor voltage (BGM)

0x09: Vcore

0x0A: Temperature

0x22: Internal analog supply voltage (VINT)

0x23: Internal digital supply voltage (VDD)

0x25: VSYNC pin voltage

0x27: VSAT voltage

0x28; VCC voltage

0x2B: TEST pin voltage

0x32: RSU0 pin Voltage

0x33; RSU1 pin Voltage

0x34; RSU2 pin Voltage

0x35: RSU3 pin Voltage

0x36: SS0 pin voltage

0x37: SS1 pin voltage

0x38: SS2 pin voltage

0x39: SS3 pin voltage

0x3A: SS4 pin voltage

0x3B; SS5 pin voltage

0x3C: SS6 pin voltage

0x3D: SS7 pin voltage

0x46: SF0

0x47: SF1

0x48: SF2

0x49: SF3

0x4A: SF4

0x4B: SF5

0x4C: SF6

0x4D: SF7

[9:0]

0x000

ADCRES_X[9:0]: 10-bit ADC result value corresponding to ADCREQ_x request

Updated by SSM_RESET or ADC state machine

L9679E

SPI interface

DS12485 - Rev 8

page 53/127

L9679ETR Datasheet(PDF) 53 Page - STMicroelectronics

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