Datasheet

Internal Clock Source (S08ICSV1)
MC9S08QG8 and MC9S08QG4 Data Sheet, Rev. 5
154 Freescale Semiconductor
BDIV=00 (divide by 1), RDIV ≥ 010
BDIV=01 (divide by 2), RDIV ≥ 011
BDIV=10 (divide by 4), RDIV ≥ 100
BDIV=11 (divide by 8), RDIV ≥ 101