Eurotech BRI ISDN Manuale Utente Scaricare il pdf (Pagina 81)

Am186™CC Microcontroller Router Reference Design User’s Manual

D-5

goto ten;

STATE ten:

pclk=0;

goto eleven;

STATE eleven:

pclk=0;

goto twelve;

STATE twelve:

pclk=0;

goto thirteen;

STATE thirteen:

pclk=0;

goto fourteen;

STATE fourteen:

pclk=0;

goto fifteen;

" States 15 to 17 form a window to catch the BCLK signal

STATE fifteen:

" max. frequency

IF bclk_c32=1 THEN

pclk=0;

goto sixteen;

ELSE

pclk=1;

goto one;" return to state one if BCLK is high

END IF;

STATE sixteen:

" If the DPLL is synchronized,

" the state machine is reset to state one in this stages.

IF bclk_c32=1 THEN

pclk=0;

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Eurotech BRI ISDN Manuale Utente Pagina 81