Datasheet

Timer Interface Module Characteristics
MC68HC908GP32 Data Sheet, Rev. 10
Freescale Semiconductor 251
19.15 Timer Interface Module Characteristics
Figure 19-19. 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