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Re: [lpc2000] Re: SPI Input port

2006-01-06 by Tom Walsh

charlesgrenz wrote:

>Thanks Richard. 
>
>I had forgotten I looked those over at one time. 
>
>Have you worked with the 2138 spi? Do you "still" need to pull the SPI
>slave input high to make it work like the 2106?
>
>  
>
Sadly, yes, even though some Philips examples suggest this is not so.  
The only way I got Master mode working properly was to pullup SSEL1.

TomW



>best regards,
>Charles
>
>
>--- In lpc2000@yahoogroups.com, "rtstofer" <rstofer@p...> wrote:
>  
>
>>--- In lpc2000@yahoogroups.com, "charlesgrenz" <charles.grenz@s...> 
>>wrote:
>>    
>>
>>>Hello group,
>>>
>>>  Hope you all had a great holiday.
>>>
>>>  I have a LPC2106 design that turns out to need more input lines 
>>>      
>>>
>>then
>>    
>>
>>>the 2106 has. Has any one have any luck with extending the I/O of the
>>>2106 with the SPI bus? 
>>>
>>>  Thanks in advance,
>>>
>>>Charles
>>>
>>>      
>>>
>>Yes, I used the Microchip MCP23S08.  It worked just fine as 8 inputs.  
>>I didn't actually code the interrupt but I did wire it.
>>
>>Richard
>>
>>    
>>
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>Yahoo! Groups Links
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-- 
Tom Walsh - WN3L - Embedded Systems Consultant
http://openhardware.net, http://cyberiansoftware.com
"Windows? No thanks, I have work to do..."
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