STPMIC1 datasheet(80/140 Pages) STMICROELECTRONICS

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6.3.6

PWR_SWOUT and VIN control register (SW_VIN_CR)

Table 30. SW_VIN_CR

SWIN_DET_EN

SWOUT_DET_DIS

VINLOW_HYST[1:0]

VINLOW_TRESH[2:0]

VINLOW_MON

R/W

Address: 0x15

Type: read/write register

Default: 0x00

Description: switch and VIN control register. This register is initialized to default values upon entering to

CHECK&LOAD state.

[7]

SWIN_DET_EN: SWIN detection enable control bit

0: SW_IN detector is enabled only when SW_OUT switch is enabled else SW_IN detector is off

1: SW_IN detector is enabled

[6]

SWOUT_DET_DIS: SWOUT detection disable control bit

0: SWOUT detector is enabled

1 : SWOUT detector is disabled

[5 :4]

VINLOW_HYST[1:0]: VINLOW threshold hysteresis

00: 100 mV

01 : 200 mV

10 : 300 mV

11: 400 mV

[3 :1]

VINLOW_TRESH[2:0]: VINLOW threshold offset

000 : VINOK_Fall + 50 mV

001 : VINOK_Fall + 100 mV

010 : VINOK_Fall + 150 mV

011 : VINOK_Fall + 200 mV

100 : VINOK_Fall + 250 mV

101 : VINOK_Fall + 300 mV

110 : VINOK_Fall + 350 mV

111 : VINOK_Fall + 400 mV

[0]

VINLOW_MON: VINLOW monitoring enable bit

0: VINLOW monitoring is disabled

1: VINLOW monitoring is enabled

STPMIC1

Control registers

DS12792 - Rev 7

page 80/140

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