Datasheet

Appendix A Electrical Characteristics
MC9S08JM60 Series Data Sheet, Rev. 3
Freescale Semiconductor 365
Figure A-6. Reset Timing
Figure A-7. IRQ/KBIPx Timing
A.12.2 Timer/PWM (TPM) Module Timing
Synchronizer circuits determine the shortest input pulses that can be recognized or the fastest clock that
can be used as the optional external source to the timer counter. These synchronizers operate from the
current bus rate clock.
Figure A-8. Timer External Clock
Table A-14. TPM Input Timing
NUM C Function Symbol Min Max Unit
1 — External clock frequency f
TPMext
dc f
Bus
/4 MHz
2 — External clock period t
TPMext
4—t
cyc
3 D External clock high time t
clkh
1.5 — t
cyc
4 D External clock low time t
clkl
1.5 — t
cyc
5 D Input capture pulse width t
ICPW
1.5 — t
cyc
t
extrst
RESET PIN
t
IHIL
IRQ/KBIPx
t
ILIH
IRQ/KBIPx
t
TPMext
t
clkh
t
clkl
TPMxCLK