mc9s08lg32 Freescale Semiconductor, Inc, mc9s08lg32 Datasheet - Page 30

• Manufacturer Part Number: mc9s08lg32
• Description: 8-bit Hcs08 Central Processor Unit
• Manufacturer: Freescale Semiconductor, Inc

Electrical Characteristics
2.11.2
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.
30
No.
1
2
3
4
5
TPM Module Timing
C
D
D
D
D
D
External clock frequency
External clock period
External clock high time
External clock low time
Input capture pulse width
TPMCHn
TPMCHn
TCLK
IRQ/KBIPx
IRQ/KBIPx
Function
Figure 22. Timer Input Capture Pulse
MC9S08LG32 Series Data Sheet, Rev. 4
Preliminary - Subject to Change Without Notice
Figure 21. Timer External Clock
Figure 20. IRQ/KBIPx Timing
Table 15. TPM Input Timing
t
clkh
t
t
ICPW
ICPW
t
t
IHIL
ILIH
Symbol
t
TCLK
t
f
t
ICPW
TCLK
TCLK
t
t
clkh
clkl
t
clkl
Min
1.5
1.5
1.5
0
4
f
Max
Bus
—
—
—
—
Freescale Semiconductor
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Unit
t
t
t
t
Hz
cyc
cyc
cyc
cyc