Manu,

here's my set-up to get 33.882352 from 16.000000. Maybe you can
spot something that will help

Joe

         config __FOSCSEL,FNOSC_PRIPLL          ;primary osc, HS, PLL
         config __FOSC,POSCMD_HS & IOL1WAY_OFF  ;primary osc enabled &=20
one-time IOLOCK disabled

;16.000000 /17 *144 /2 =3D> 33.882352

           mov     #0b0000000000001111,w0
;                     0                     ROI
;                      000                  DOZE
;                         0                 DOZEN
;                          000              FRCDIV (/1)
;                             00            PLLPOST (N2) =3D /2 =3D> 135.52=
9344=20
=3D> 67.764672MHz Fosc
;                               x=20
=3D  33.882336MHz Fcy
;                                01111      PLLPRE (N1) =3D /17, 16MHz =3D>=
=20
0.941176MHz
;                                           FREF input frequency to PFD
           mov     w0,CLKDIV

           mov     #142,w0
;                     xxxxxxxx
;                             mmmmmmmm      PLLDIV =3D (142 + 2) =3D 144 *=
=20
0.941176MHz =3D> 135.529411MHz
           mov     w0,PLLFBD               ;PLL multiplier (M)=20

--=20
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