Lpc2000

Does that mean I should give 3.3v at pin SSEL ? 
could you explian your sencntence "you have make pull up a 3.3V for
SPI interface to act as a master, and to choose other pin GPIO for SSEL!!! " .........why sould I choose other GPIO as SSLE ???
 
regards 
 
Sridhar


dasbento@... wrote:

Hello,
when you configured as SSEL, you have make pull up a 3.3V for
SPI interface to act as a master, and to choose other pin GPIO for SSEL!!!

Domingos




Citando Sridhar gadda :

> 
> Hi, 
> when you configured SPI interface , Master as �c. In manual its
> r> eturn that "LPCconfigured as SPI master MUST select SSEL
functionality on
> a> n appropriate pin and have HIGH level on this pin in order to act
as a
> mast> er" (page 170)
> 
> if you configure PINSEL0 = 0x00005500 // selects SCK0, MISO, MOSI and
> SSL> E 
> 
> but how can we generate HIGH on SSLE pin which is P0.7..........As
far as
> > I know you can only generate HIGH on GPIO pins only if they
configured as
> O> UTPUT pins. 
> 
> My question is how to generate high on SSLE when it is not
> con> figured as GPIO pin.
> 
> Any help and suggestions would be appreciated.
> 
> Thanks in advance.
> 
> With regards,
> 
> Sridhar
> 
> 
> 
> 
>
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