STPMIC1 datasheet(70/140 Pages) STMICROELECTRONICS

tên linh kiện	STPMIC1

Giải thích chi tiết về linh kiện	Highly integrated power management IC for micro processor units

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6.2.2

Turn-OFF status register (TURN_OFF_SR)

Table 20. TURN_OFF_SR

reserved

PKEYLKP

WDG

OCP

THSD

VINOK_FA

SWOFF

Address: 0x02

Type: read register only

Default : b000x_xxxx where x depends on previous turn-OFF condition

Description: Turn-OFF status register. This register stores the last condition, which turns OFF the STPMIC1.

It is set during POWER_DOWN state following turn-OFF condition.

[7 :6]

Reserved

[5]

PKEYLKP: Last turn-OFF condition was due to PONKEYn long key

0: False

1: True

[4]

WDG: Last turn-OFF condition was due to watchdog

0: False

1: True

[3]

OCP: Last turn-ON condition was due to overcurrent protection

0: False

1: True

[2]

THSD: Last turn-OFF condition was due to thermal shutdown

0: False

1: True

[1]

VINOK_FA: Last turn-OFF condition was due to VIN below VINOK_Fall

(when VIN is crossing VIN_POR_Rise threshold, this bit value is not valid)

0: False

1: True

[0]

SWOFF: Last turn-OFF condition was due to software switch OFF

0: False

1: True

STPMIC1

Status registers

DS12792 - Rev 7

page 70/140

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