Datasheet
Electrical Specifications
MC68HC908GZ60 • MC68HC908GZ48 • MC68HC908GZ32 Data Sheet, Rev. 6
330 Freescale Semiconductor
21.14 Timer Interface Module Characteristics
Figure 21-4. Timer Input Timing
Characteristic Symbol Min Max Unit
Timer input capture pulse width 
t
TH, 
t
TL
2—
t
cyc
Timer input capture period 
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
.
—
t
cyc
Timer input clock pulse width 
t
TCL
, t
TCH
t
cyc
 + 5
—ns
INPUT CAPTURE
RISING EDGE
INPUT CAPTURE
FALLING EDGE
INPUT CAPTURE
BOTH EDGES
t
TH
t
TL
t
TLTL
t
TLTL
t
TLTL
t
TL
t
TH
TCLK
t
TCL
t
TCH










