MC68HC908QC16_07 Datasheet, PDF (254/274 Pages) Freescale Semiconductor, Inc – Microcontrollers

Electrical Specifications
19.16 Timer Interface Module Characteristics
Characteristic
Symbol
Min
Max
Timer input capture pulse width⁽¹⁾
Timer input capture period
Timer input clock pulse width⁽¹⁾
t_TH, t_TL
2
—
t_TLTL
Note⁽²⁾
—
t_TCL, t_TCH
t_CYC + 5
—
1. Values are based on characterization results, not tested in production.
2. The minimum period is the number of cycles it takes to execute the interrupt service routine plus 1 t_CYC.
Unit
t_CYC
t_CYC
ns
INPUT CAPTURE
RISING EDGE
INPUT CAPTURE
FALLING EDGE
INPUT CAPTURE
BOTH EDGES
TCLK
t_TLTL
t_TH
t_TLTL
t_TL
t_TLTL
t_TH
t_TL
t_TCH
t_TCL
Figure 19-13. Timer Input Timing
MC68HC908QC16 • MC68HC908QC8 • MC68HC908QC4 Data Sheet, Rev. 3
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Freescale Semiconductor