Lpc2000

Yes i already Pulled up SSEL to 3v3 by a 47K Resister and not used 
for CS(MMC_CS). I am using another GPIO for the purpose of CS 
MMC_CS).     

Notice that In debugger i seen that after loading data in SPDR , SPIF 
sets showing data transmited.


--- In lpc2000@yahoogroups.com, "aumat123" <angelsp@a...> wrote:
> 
> You must pull up the SSEL of the SCI that you are using. Seem be 
that 
> the SCI in master mode need that the SSELx must be connected and 
> pulled up externally for correct work.
> 
> 
> --- In lpc2000@yahoogroups.com, "Mark Crow" <mcrow@p...> wrote:
> > Is SSEL1 pulled up?
> >   -----Original Message-----
> >   From: Jeetendra Singh [mailto:jeet77_7@y...]
> >   Sent: Friday, April 08, 2005 9:44 AM
> >   To: lpc2000@yahoogroups.com
> >   Subject: [lpc2000] spi in lpc2106
> > 
> > 
> > 
> >   Hi friends
> > 
> >   i am working in Lpc2106 and facing problem in spi mdule.
> >   Actualy  i am using spi module in master mode. i checked my 
code 
> in
> >   jtag debugger(wiggler in CrossStudio)and found that when 
writing 
> data
> >   to the SPDR register then SPif bit in SPSR also sets showing 
that
> >   data is transmitted.
> > 
> >   But the problem is that nither data nor clocks in the MOSI & 
SCK 
> pins.
> > 
> > 
> >   If some body can help me i will be very thank ful to him.
> > 
> >   jeetendra
> > 
> >   My source code attached
> >   int main (void){
> > 
> > 
> >         IOSET=0x80;
> >         IODIR=0x00;
> > 
> >         PINSEL0 = 0x00005500;
> > 
> >   //Config over
> >           init_spi();
> > 
> >           IOSET = MMC_CS; // Chip select High
> >           MmCardSendByte(0xAA);
> >           IOCLR = MMC_CS; // Chip select Low
> > 
> >           while (1);
> >   }
> > 
> >   void init_spi(){
> >       unsigned char ch;
> > 
> > 
> >       IODIR |= MMC_CS; // io direction of mc chip select
> >       IOSET = MMC_CS; // Chip select High
> > 
> >       SPCCR = 0xfe; // clock counter
> >       SPCR =  0x20; // spi master mode,
> > 
> >   //   ch = SPDR;// data read
> > 
> >   }
> > 
> >   BYTE MmCardSendByte(BYTE bt)
> >   {
> >     BYTE input;
> >     SPDR =  bt;
> >     while (!(SPSR & 0x80));
> >     input = SPDR;
> > 
> >     return input;
> >   }
> > 
> > 
> > 
> > 
> > 
> > 
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