Datasheet

© 2008 Microchip Technology Inc. DS39646C-page 405
PIC18F8722 FAMILY
FIGURE 28-13: CAPTURE/COMPARE/PWM TIMINGS (ALL ECCP/CCP MODULES)
TABLE 28-14: CAPTURE/COMPARE/PWM REQUIREMENTS (ALL ECCP/CCP MODULES)
Note: Refer to Figure 28-5 for load conditions.
CCPx
(Capture Mode)
50 51
52
CCPx
53
54
(Compare or PWM Mode)
Param
No.
Symbol Characteristic Min Max Units Conditions
50 T
CCL CCPx Input Low
Time
No prescaler 0.5 TCY + 20 — ns
With
prescaler
PIC18FXXXX 10 — ns
PIC18LFXXXX 20 — ns VDD = 2.0V
51 T
CCH CCPx Input
High Time
No prescaler 0.5 TCY + 20 — ns
With
prescaler
PIC18FXXXX 10 — ns
PIC18LFXXXX 20 — ns VDD = 2.0V
52 T
CCP CCPx Input Period 3 TCY + 40
N
— ns N = prescale
value (1, 4 or 16)
53 TCCR CCPx Output Fall Time PIC18FXXXX — 25 ns
PIC18LFXXXX — 45 ns V
DD = 2.0V
54 TCCF CCPx Output Fall Time PIC18FXXXX — 25 ns
PIC18LFXXXX — 45 ns VDD = 2.0V