UART BAUD RATE GENERATION
Discussion in "ARM Development" started by vijay baskar Nov 16, 2013.
Sat Nov 16 2013, 09:58 am
Hello ALL,
i have a basic doubt in UART lpc series
in the below formula
baudrate = Pclk/16*(256*UDLM+UDLL)
why he is multiplying 256*UDLM
is there any special reason.
Regards
baskar
i have a basic doubt in UART lpc series
in the below formula
baudrate = Pclk/16*(256*UDLM+UDLL)
why he is multiplying 256*UDLM
is there any special reason.
Regards
baskar
Mon Nov 18 2013, 12:44 am
by multiplying by 256.. he is actually shifting it 8 bits..
265 * UDLM + UDLL is same as (UDLM << 8) | UDLL
265 * UDLM + UDLL is same as (UDLM << 8) | UDLL
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