Texas Instruments MSP430x4xx - Manual (Page 122)

FLL+ Clock Module Registers
4-13 FLL+ Clock Module
SCFI1, System Clock Frequency Integrator Register 1
7 6 5 4 3 2 1 0
DCOx MODx (MSBs)
rw−0 rw−0 rw−0 rw−0 rw−0 rw−0 rw−0 rw−0
DCOx Bits
7-3 These bits select the DCO tap and are modified automatically by the FLL+.
MODx Bit 2 Most significant modulator bits. Bit 2 is the modulator MSB. These bits af-
fect the modulator pattern. All MODx bits are modified automatically by the
FLL+.