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  Topic: Help getting MCP23S17 outputs work
sandeepvd

Replies: 2
Views: 5778

PostForum: General CCS C Discussion   Posted: Sun Dec 31, 2006 10:04 pm   Subject: Help getting MCP23S17 outputs work
I have programmed MCP23S17 for GPA and GPB as outputs from PIC18F4550. MCP23S17 outputs are randomly blinking, but not the way as expected.

Code posted below:

I feel Problem may either be
- wit ...
  Topic: Looking for example code MCP23S17 SPI writing to GPIO
sandeepvd

Replies: 0
Views: 3764

PostForum: General CCS C Discussion   Posted: Fri Dec 29, 2006 8:11 pm   Subject: Looking for example code MCP23S17 SPI writing to GPIO
[b]I am beginner.

Looking to write outputs to MCP23S17 io expander GPA and GPB separately using PICDEM FSUSB (PIC18F4550) in SPI mode with C18 library?
(A2 A1 A1 is = 000)

Can someone be kind e ...
 
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