mc9s08ac32 Freescale Semiconductor, Inc, mc9s08ac32 Datasheet - Page 321

• Manufacturer Part Number: mc9s08ac32
• Description: Hcs08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

A.10.2
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.
Freescale Semiconductor
Timer/PWM (TPM) Module Timing
External clock frequency
External clock period
External clock high time
External clock low time
Input capture pulse width
Figure A-11. Active Background Debug Mode Latch Timing
IRQ/KBIP7-KBIP4
Function
BKGD/MS
IRQ/KBIPx
RESET
MC9S08AC60 Series Data Sheet, Rev. 2
Figure A-12. IRQ/KBIPx Timing
Table A-13. TPM Input Timing
t
MSSU
Symbol
f
t
TPMext
TPMext
t
ICPW
t
t
clkh
clkl
Appendix A Electrical Characteristics and Timing Specifications
t
t
IHIL
ILIH
Min
1.5
1.5
1.5
dc
4
t
MSH
f
Max
Bus
—
—
—
—
/4
MHz
Unit
t
t
t
t
cyc
cyc
cyc
cyc
321