STC3115 datasheet(25/31 Pages) STMICROELECTRONICS

部件名	STC3115

功能描述	Gas gauge IC with alarm output for handheld applications

PDF	31 Pages

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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25 / 31 page

DocID023755 Rev 4

25/31

STC3115

I2C interface

Table 14. REG_CTRL - address 1

Name

Position

Type

Def.

Description

IO0DATA

ALM pin status

0 = ALM input is low

1 = ALM input is high

ALM pin output drive

0 = ALM is forced low

1 = ALM is driven by the alarm conditions

GG_RST

0: no effect

1: resets the conversion counter

GG_RST is a self-clearing bit.

GG_VM

Voltage mode active

0 = REG_SOC from Coulomb counter mode

1 = REG_SOC from Voltage mode

BATFAIL

R/W

Battery removal or UVLO detection bit.

Write 0 to clear

(Write 1 is ignored)

PORDET

Power on reset (POR) detection bit

0 = no POR event occurred

1 = POR event occurred

Soft reset

0 = release the soft-reset and clear the POR

detection bit,

1 = assert the soft-reset and set the POR detection

bit.

This bit is self clearing.

ALM_SOC

R/W

Set with a low-SOC condition.

Cleared by writing 0.

ALM_VOLT

R/W

Set with a low-voltage condition.

Cleared by writing 0.

Unused

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