PIC18F2420/2520/4420/4520
FIGURE 26-11:
CAPTURE/COMPARE/PWM TIMINGS (ALL CCP MODULES)
CCPx
(Capture Mode)
50
51
52
54
CCPx
(Compare or PWM Mode)
53
Refer to Figure 26-5 for load conditions.
Note:
TABLE 26-12: CAPTURE/COMPARE/PWM REQUIREMENTS (ALL CCP MODULES)
Param
Symbol
Characteristic
Min
Max
Units
Conditions
No.
50
TccL
CCPx Input Low No prescaler
0.5 TCY + 20
—
—
—
—
—
—
—
ns
ns
ns
ns
ns
ns
ns
Time
With
PIC18FXXXX
10
prescaler
PIC18LFXXXX
20
VDD = 2.0V
VDD = 2.0V
51
TccH
CCPx Input
High Time
No prescaler
0.5 TCY + 20
With
PIC18FXXXX
10
20
prescaler
PIC18LFXXXX
52
53
TccP
TccR
CCPx Input Period
3 TCY + 40
N
N = prescale
value (1, 4 or 16)
CCPx Output Fall Time
PIC18FXXXX
PIC18LFXXXX
PIC18FXXXX
PIC18LFXXXX
—
—
—
—
25
45
25
45
ns
ns
ns
ns
VDD = 2.0V
VDD = 2.0V
54
TccF
CCPx Output Fall Time
© 2008 Microchip Technology Inc.
DS39631E-page 347