MC9S08SG32 FREESCALE [Freescale Semiconductor, Inc], MC9S08SG32 Datasheet - Page 324

• Manufacturer Part Number: MC9S08SG32
• Description: Microcontrollers
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Appendix A Electrical Characteristics
A.12.2
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.
318
#
1
2
3
4
5
—
—
—
—
—
C
TPM/MTIM Module Timing
External clock frequency (1/t
External clock period
External clock high time
External clock low time
Input capture pulse width
Rating
TCLK
TPMCHn
TPMCHn
Figure A-13. Timer Input Capture Pulse
Figure A-12. Timer External Clock
Table A-14. TPM Input Timing
MC9S08SG32 Data Sheet, Rev. 8
TCLK
)
t
clkh
t
t
ICPW
ICPW
Symbol
f
t
t
TCLK
TCLK
ICPW
t
t
clkh
clkl
t
TCLK
t
clkl
Min
1.5
1.5
1.5
dc
4
f
Max
Bus
—
—
—
—
/4
Freescale Semiconductor
MHz
Unit
t
t
t
t
cyc
cyc
cyc
cyc
♦
♦
♦
♦
♦
Rated
Temp
♦
♦
♦
♦
♦