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What different IC voice record ISD1700 SPI and button ?

 
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mmc01



Joined: 16 Jun 2010
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What different IC voice record ISD1700 SPI and button ?
PostPosted: Thu Jul 25, 2013 3:09 am     Reply with quote
IC voice record such as, ISD4003, ISD1700 http://www.nuvoton.com/SiteCollectionDocuments/enu/ProductAndSales/ProductLines/ConsumerLogicIC/ISD%20ChipCorder/ISD1700.pdf

It can interface with REC button and SPI. I think it so easy if use with button . MCU can send logic to ISD1700 like push button. So ,why it have SPI interface what it is the better than button interface?
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Joined: 06 Sep 2003
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PostPosted: Thu Jul 25, 2013 8:28 am     Reply with quote
Quote:
why it have SPI interface ?

Read the data sheet that you linked. It refers to a "design guide":
Quote:

6. MODES OF OPERATION

For technical details, please refer to the design guide.

Use Google to find the design guide. Download it:
www.open-electronics.org/wp-content/uploads/2013/01/ISD1700_Design_Guide.pdf
Read section 6.3 on page 16. It explains the differences between
button mode and SPI mode.
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