mcf51qe32 Freescale Semiconductor, Inc, mcf51qe32 Datasheet - Page 26
mcf51qe32
Manufacturer Part Number
mcf51qe32
Description
Mc9s08qe128 Flexis 8-bit Hcs08 Microcontrollers
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MCF51QE32.pdf
(52 pages)
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Electrical Characteristics
3.10.2
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.
26
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
MC9S08QE128 Series Advance Information Data Sheet, Rev. 4
TCLK
TPMCHn
TPMCHn
Function
Figure 20. Timer Input Capture Pulse
Figure 19. Timer External Clock
Table 13. TPM Input Timing
t
clkh
t
t
ICPW
ICPW
Symbol
t
TCLK
f
t
t
TCLK
TCLK
t
ICPW
t
clkh
clkl
t
clkl
Min
1.5
1.5
1.5
0
4
f
Max
Bus
—
—
—
—
Freescale Semiconductor
/4
Unit
t
t
t
t
Hz
cyc
cyc
cyc
cyc