Lpc2000

Hello to everyone in this group. 
 
                       I like to congratulates for setting up this group for LPC2000 family users. I am using lpc2129 and keil's �vision3 for my applications. Its a first experience for me. I have one question and I would apprerciate to get answers for it. 
 
        I have seen an example program in which the statement  ADCR |= 0x01000000 which starts ADC conversion and ADCR &= ~0x01000000 stops ADC conversion. The '|' and '&' symbol are compiler specific or lpc2129...in gernal why these symbols are used to start and stop ADC conversion. Cannot we start and stop by setting registers in this �c for example ADCR = 0x01000000 (start)  and ADCR = ~0x01000000 (stop). 
 
              Any help would be appreciated. 
 regards, 
 
 Sridhar

		
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