Hello ,
What about the part number of your chip ?
- For the 16 bit chips , you can use the CW5.2, it includes this chips :

you can download it on here :
CodeWarrior Dev Tools for HCS12(X) MCUs|NXP
- For the 8 bit chips , you can use the cw10.6.5(cw10.6.4 with update 5) , it inculdes RS08 and S08 series chips , it also includes S12Z chips.

you can download it here :
CodeWarrior Development Tools Suite - Special|NXP
Have a great day,
Alice Yang
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