MC9S08QB4 View Datasheet(PDF) - Freescale Semiconductor
Part Name
Description
MFG CO.
'MC9S08QB4' PDF : 36 Pages View PDF
Electrical Characteristics
tIHIL
KBIPx
IRQ/KBIPx
tILIH
Figure 14. IRQ/KBIPx Timing
3.10.2 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 13. TPM Input Timing
No. C
Function
1
D External clock frequency
2
D External clock period
3
D External clock high time
4
D External clock low time
5
D Input capture pulse width
Symbol
Min
fTEXT
DC
tTEXT
4
tTCLKH
1.5
tTCLKL
1.5
fICPW
1.5
Max
1/4 fop
—
—
—
—
Unit
MHz
tCYC
tCYC
tCYC
tCYC
ipg_clk
tCYC
EXTERNAL
CLOCK
tTEXT
tTCLKH
tTCLKL
INPUT
CAPTURE
tICPW
Figure 15. Timer Input Capture Pulse
MC9S08QB8 Series MCU Data Sheet, Rev. 3
Freescale Semiconductor
19
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