[SOLVED] Programming for landline Auto-Dialler

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Sudhp

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hii everyone.....
I m working on a project of fire alarm system...
In this I have a auto-dialer circuitry....
In case of fire this circuit is activated and a call has been made on a number..
here I m using IL91531N ic for this.....
but i don't know how to work with this....
and when i have to made it's pin high and low...
the pins of 9153 which r connected to micro r LATCH,Four data Pins(D0,D1,D3,D4) ,DP and ACk..

I m working on 89S52 micro controller..

I need help from this forum...

plz help me....
 

Did you notice the timing diagram in the datasheet? You'll want to control the IL91531N input pins according to this scheme.
 

thanks for reply....
yeah I tried to understand timing diagram but I failed.......
 

is it necessory to use this dialler to make call. Bcoz you can have good option of SIM300 or SIM900. Because it is having connection of UART and also other protocol so you can call or sms on number.
 

embpic said:
is it necessory to use this dialler to make call. Bcoz you can have good option of SIM300 or SIM900. Because it is having connection of UART and also other protocol so you can call or sms on number.
Click to expand...

But sir i also want a land line dialler so plz help me regarding this i m using same components as sudp has told
 

I am trying to do this according to the link....
**broken link removed**

can anybody make me clear the switching diagram given to this link.......

Also i want to know working of this ic when interfaced with land line...I m working on a land line auto dialler project with 8051 uc......
 

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