Lpc2000

This one instruction program creates a Data Abort when setting an SSP
Register. Anyone know what's going on?


int main (void)
{

#define SSPCR0         (*((volatile unsigned char *) 0xE0068000))

SSPCR0   = 0x3f; 
}

The assembly code looks OK and the register address matches the
documentation.

    26:         SSPCR0   = 0x3f;        // SPI Mode, 16 bit frame 
0x000006B2  213F      MOV       R1,#0x3F
0x000006B4  4803      LDR       R0,[PC,#0x000C]
0x000006B6  7001      STRB      R1,[R0,#0x00]

Thanks for your help.

Dave S.