mc9s08ac128 Freescale Semiconductor, Inc, mc9s08ac128 Datasheet - Page 28
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mc9s08ac128
Manufacturer Part Number
mc9s08ac128
Description
8-bit Hcs08 Central Processor Unit Cpu
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC9S08AC128.pdf
(42 pages)
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Chapter 3 Electrical Characteristics and Timing Specifications
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.
28
Timer/PWM (TPM) Module Timing
External clock frequency
External clock period
External clock high time
External clock low time
Input capture pulse width
Figure 3-11. Active Background Debug Mode Latch Timing
IRQ/KBIP7-KBIP4
Function
BKGD/MS
IRQ/KBIPx
RESET
MC9S08AC128 Series Data Sheet, Rev. 1
Figure 3-12. IRQ/KBIPx Timing
Table 3-13. TPM Input Timing
Preliminary — Subject to Change
t
MSSU
Symbol
f
t
TPMext
TPMext
t
ICPW
t
t
clkh
clkl
t
t
IHIL
ILIH
Min
1.5
1.5
1.5
dc
4
t
MSH
f
Max
Bus
—
—
—
—
/4
Freescale Semiconductor
MHz
Unit
t
t
t
t
cyc
cyc
cyc
cyc