PIC18F2450/4450
FIGURE 21-10:
CAPTURE/COMPARE/PWM TIMINGS (CCP MODULE)
CCP1
(Capture Mode)
50
51
52
54
CCP1
(Compare or PWM Mode)
53
Refer to Figure 21-4 for load conditions.
Note:
TABLE 21-12: CAPTURE/COMPARE/PWM REQUIREMENTS
Param
Symbol
Characteristic
Min
Max
Units
Conditions
No.
50
TccL
CCP1 Input
Low Time
No prescaler
0.5 TCY + 20
—
—
—
—
—
—
—
ns
ns
ns
ns
ns
ns
ns
With
PIC18FXXXX
10
prescaler
PIC18LFXXXX
20
VDD = 2.0V
VDD = 2.0V
51
TccH
CCP1 Input
High Time
No prescaler
0.5 TCY + 20
With
PIC18FXXXX
10
20
prescaler
PIC18LFXXXX
52
53
TccP
TccR
CCP1 Input Period
3 TCY + 40
N
N = prescale
value (1, 4 or 16)
CCP1 Output Fall Time
PIC18FXXXX
PIC18LFXXXX
PIC18FXXXX
PIC18LFXXXX
—
—
—
—
25
45
25
45
ns
ns
ns
ns
VDD = 2.0V
VDD = 2.0V
54
TccF
CCP1 Output Fall Time
DS39760A-page 288
Advance Information
© 2006 Microchip Technology Inc.
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