S9S08QD4CSC View Datasheet(PDF) - Freescale Semiconductor

Part Name

Description

Manufacturer

S9S08QD4CSC

8-BIT HCS08 Microcontrollers

Freescale Semiconductor 

tIHIL

IRQ/KBIPx

Appendix A Electrical Characteristics

IRQ/KBIPx

tILIH

Figure A-13. IRQ/KBIPx Timing

A.8.2 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.

Table A-9. TPM/MTIM Input Timing

Function

External clock frequency

External clock period

External clock high time

External clock low time

Input capture pulse width

Symbol

Min

fTCLK

dc

tTCLK

4

tclkh

1.5

tclkl

1.5

tICPW

1.5

Max

fBus/4

—

—

—

—

Unit

MHz

tcyc

tcyc

tcyc

tcyc

tclkh

tText

TCLK

tclkl

Figure A-14. Timer External Clock

TPMCHn

tICPW

TPMCHn

tICPW

Figure A-15. Timer Input Capture Pulse

MC9S08QD4 Series MCU Data Sheet, Rev. 6

Freescale Semiconductor

187

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