I/O extender

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  1. - 1st January 2008, 15:30 #5
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    Luciano
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    Quote Originally Posted by mychangl View Post
    Thx Luciano for the suggestion. It really a new thing for me.
    But why both MCP23008 and MCP23016 have 3 addresses ?
    Can MCP23016 work with 16f84a ?
    Hi,

    Code:
    With three address lines you can set the address of up to eight devices.

Binary / Decimal 
============
000   =   0
001   =   1
010   =   2
011   =   3
100   =   4
101   =   5
110   =   6
111   =   7
    The MCP23016 will work with the 16f84a.
    Use the software I2C commands of PicBasic Pro. (I2CIN and I2COUT).

    * * *

    See also this: (Basic Stamp + MCP23016).
    http://www.parallax.com/dl/docs/cols.../col/nv109.pdf

    Best regards,

    Luciano
    Last edited by Luciano; - 1st January 2008 at 15:43.
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