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LPC1313 SSP0 bit rate

Question asked by prachipanse on May 2, 2017
Latest reply on May 4, 2017 by jeremyzhou


I am trying to set the bit rate of the SSP0 port of the LPC1313FBD48/01 to 1MHz. The system clock is 72MHz, and it is divided by 12 to have the SSP clock as 6MHz. I have checked the CPSDVSR = 2 and SCR = 2, which should give me 1MHz:

Bit frequency = Pclk/(CPSDVSR * (SCR + 1))

However, I get 781.2kHz in place of 1MHz. 


What might be going wrong here?