CCS C Software and Maintenance Offers
FAQFAQ   FAQForum Help   FAQOfficial CCS Support   SearchSearch  RegisterRegister 

ProfileProfile   Log in to check your private messagesLog in to check your private messages   Log inLog in 

CCS does not monitor this forum on a regular basis.

Please do not post bug reports on this forum. Send them to CCS Technical Support
interfacing of ISD1720 with PIC16F877a

 
Post new topic   Reply to topic    CCS Forum Index -> General CCS C Discussion
View previous topic :: View next topic  
Author Message
Yogi



Joined: 18 Jan 2015
Posts: 1

View user's profile Send private message

interfacing of ISD1720 with PIC16F877a
PostPosted: Sun Jan 18, 2015 1:58 am     Reply with quote
How to interface ISD1720 with PIC16F877A microcontroller...?
Ttelmah



Joined: 11 Mar 2010
Posts: 19559

View user's profile Send private message

PostPosted: Sun Jan 18, 2015 8:46 am     Reply with quote
It's only SPI.
However a massive amount depends on what you actually want to 'do'?.
If you just want to control it (letting it store the data etc..), then the key is to get the 'design guide' (not the basic data sheet):
Code:

<http://www.vla.com.br/news/I1700%20Design%20Guide%20Rev%201.1.pdf>

It uses Mode3 SPI. Max 1MHz.
The design guide even has a nice little flow chart to follow.

If you want to do anything much 'beyond' the equivalent to the button based commands, then you'd be better off with a larger PIC. You'll certainly need a larger memory connected to the PIC for anything beyond this.
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

View user's profile Send private message

PostPosted: Sun Jan 18, 2015 12:49 pm     Reply with quote
There are some threads in the forum archives on this topic. Search for this:
Quote:
isd17*

Example of search results:
http://www.ccsinfo.com/forum/viewtopic.php?t=45283
This is a 2-page thread that discusses SPI communications with the
isd1700-series chips.
Display posts from previous:   
Post new topic   Reply to topic    CCS Forum Index -> General CCS C Discussion All times are GMT - 6 Hours
Page 1 of 1

 
Jump to:  
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum


Powered by phpBB © 2001, 2005 phpBB Group