HT6P12-20 データシートの表示（PDF） - Holtek Semiconductor

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HT6P12-20

Learning Car Alarm Decoder

Holtek Semiconductor 

HT6P12

(when the AUTO_ARM delay time is not

zero), the disarm state will change to the arm

state after the AUTO_ARM delay time (de-

fined by the “AUTO_ARM delay time” in the

option table). The timing of the alarm trigger

is shown below.

Panic mode

Whether in the arm or disarm state, after a

panic control signal has been received, the siren

will sound and the car lamp will flash. The

timing of the SIREN, FLASH, and LED outputs

is the same as the timing of the alarm trigger

mode. The active output length is on a par with

the TRIG siren active time, One interval (de-

fined by the “TRIG and Panic siren active time”

in the option taable). The siren sound as well as

the car lamp flash can be interrupted by occur-

rence of a second panic control signal or by

activating the ACC (DI) pin. The panic mode

takes a priority of other modes.

Alarm Triggers (AL+, AL-, TRIG) for Arm State

Note: During the Entry delay time, the chip ignores all trigger signals from the TRIG, AL+, AL- pins.

11

2nd Oct ’97

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