STM6600FS22DM6E 데이터 시트보기 (PDF) - STMicroelectronics

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STM6600FS22DM6E

Smart push-button on/off controller with Smart Reset™ and power-on lockout

STMicroelectronics 

STM6600 - STM6601

Figure 14. PB interrupt

Push-button pressed and

PB connected to GND

(1,2)

PB

PSHOLD

PB status

ignored

VCC undervoltage

detection ignored

Waveforms

processor interrupt starts power-down sequence

processor sets PSHOLD low

PB status

ignored

and EN is deasserted

accordingly

t DEBOUNCE

t INT_Min

tEN_OFF

Note: VCC is considered VCC > VTH+.

1. PB detection on falling edge.

2. PB is released within tSRD and that is why NO reset is asserted and EN is NOT deasserted immediately.

AM00251v2

Doc ID 15453 Rev 7

21/51

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