STBCFG01 datasheet(24/37 Pages) STMICROELECTRONICS

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I²C compatible interface registers

STBCFG01

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DocID026474 Rev 3

6.1

Fuel gauge registers

Table 7: Fuel gauge mode register (address: 00h)

POR

R/W

OTG_en

LPM_dis

GG_RUN

ALRM_en

19h

R/W

ALRM_en: fuel gauge alarm enable



0: disabled



1: enabled (default)

GG_RUN: fuel gauge operative mode



0: standby (default). Registers are frozen, fuel gauge in standby



1: running

LPM_dis: low power mode disable (set this bit to program battery charger/OTG

configuration registers and enable OTG function when USB input is not plugged and

GG_RUN = 0)



0: low power mode enabled (default)



1: low power mode disabled

OTG_en: OTG boost enable bit



0: disabled (default)



1: enabled

Table 8: FG_CTRL register (address: 01h)

POR

R/W

ALRM_VBAT

ALRM_SOC

POR_Det

BAT_Fail

IODATA

15h

R/W

IODATA: IRQn pin status

Read:



0: IRQn pin is low



1: IRQn pin is high

Write:



0: forces IRQn pin low



1: IRQn pin is driven by interrupt logic

BAT_Fail: battery removal or battery UVLO detection bit. Write 0 to clear



0: battery connected



1: battery removed or UVLO

POR_Det: power-on reset detection bit. Write 1 to force a soft reset (self-clearing)



0: no POR event occurred



1: POR event occurred

ALRM_SOC: low SOC alarm



0: SOC OK



1: low SOC

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