L9300 datasheet(103/178 Pages) STMICROELECTRONICS

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SERVFLT

Service Fault

Address:

GLOBAL_BaseAddress + 0xB

Type:

Reset:

0b0000 0000 0000 0000 0000

Description:

Service Fault register stores Diagnostic flags of enabled services

NOTE: As monitors are working also during startup phases, when voltage levels cannot be stable, it can happen that

some fault bit are set to “1” after POR. To avoid false diagnosis when the device is fully functional, it is suggested to

read this register once after the startup in order to clean it.

[19] Ground Loss:

0: No Fault

1: GND loss or GND_A loss

Reset events: POR, DATA READ

[18] unused

[17] EEPROM Trimming data CRC error status:

(Unmasked)

0: no CRC error

1: CRC error

Reset events: VB_UV, GND_LOSS, POR,

[16] RES1 to digital:

0: No Reset request from external

1: Reset request from external

Reset events: VB_UV, GND_LOSS, POR, DATA READ

[15] Main Oscillator Self check:

0: Pass

1: Failed

Reset events: VB_UV, GND_LOSS, POR, DATA READ

[14] GPO OL (Off state diag):

0: No Fault

1: GPO Open Load

Reset events: VB_UV, GND_LOSS, POR, RES1, DATA READ

L9300

SPI interface and register mapping

DS12258 - Rev 5

page 103/178

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