MC68HC908GR16A Datasheet, PDF (261/270 Pages) Freescale Semiconductor, Inc – M68HC08 Microcontrollers

Timer Interface Module Characteristics
20.14 Timer Interface Module Characteristics
Characteristic
Symbol
Min
Max
Timer input capture pulse width
Timer Input capture period
t_TH, t_TL
2
—
t_TLTL
Note⁽¹⁾
—
1. 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
INPUT CAPTURE
RISING EDGE
INPUT CAPTURE
FALLING EDGE
INPUT CAPTURE
BOTH EDGES
t_TLTL
t_TH
t_TLTL
t_TL
t_TLTL
t_TH
t_TL
Figure 20-4. Timer Input Timing
MC68HC908GR16A Data Sheet, Rev. 1.0
Freescale Semiconductor
261