interfacing dtmf decoder and 8051 microcontroller

[bkamalnivas]

I want to interface dtmf decoder(mt8870) and microcontroller(AT89c51)


how do i do that??

 

[sunnyboy]

I want to interface dtmf decoder(mt8870) and microcontroller(AT89c51)


how do i do that??

PLEASE I NEED MORE APPLICATION NOTES

 

[Mike_2545]

The easy answer :
Wire them together

The right answer might include you being more specific.

 

[johnsmith123]

I want to interface dtmf decoder(mt8870) and microcontroller(AT89c51)how do i do that??

did you not even do a google search?

look here:
8051 microcontroller hardware interfacing tutorials -interfacing to DTMF decoder 8870.