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ISD 1790 with PIC

 
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kcyong



Joined: 09 Nov 2011
Posts: 1
Location: Malaysia

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ISD 1790 with PIC
PostPosted: Wed Nov 09, 2011 9:54 am     Reply with quote
Hi everyone. I want to do a project about control the sound recorded in ISD 1790 by using PIC 16f877a. I want to ask is that ISD 1790 can record several track and store it? I want to use ISD 1790 as sound direction recognition. Meaning that i want ISD 1790 to record sound to be used as fixed memory and the PIC can call out each track that I want.
RF_Developer



Joined: 07 Feb 2011
Posts: 839

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PostPosted: Wed Nov 09, 2011 10:44 am     Reply with quote
I've never used one of these but try Googling "ISD 1790 design guide". The design guide gives the SPI commands and everything else you need to get your ISD 1790 working.

A warning: a thread a while back reported that this IC sends/receives its SPI data LSB first. The PIC, and most other SPI devices, does it MSB first. This means that you have to change the bit order round all the time. Evil or Very Mad

RF Developer
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