Datasheet

PIC18F6390/6490/8390/8490
DS39629C-page 374 © 2007 Microchip Technology Inc.
FIGURE 26-10: CAPTURE/COMPARE/PWM TIMINGS (ALL CCP MODULES)
TABLE 26-12: CAPTURE/COMPARE/PWM REQUIREMENTS (ALL CCP MODULES)
Note: Refer to Figure 26-4 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 V
DD = 2.0V
51 TCCH CCPx Input
High Time
No Prescaler 0.5 TCY + 20 — ns
With
Prescaler
PIC18FXXXX 10 — ns
PIC18LFXXXX 20 — ns V
DD = 2.0V
52 TCCP CCPx Input Period 3 TCY + 40
N
— ns N = prescale
value (1, 4 or 16)
53 T
CCR CCPx Output Fall Time PIC18FXXXX — 25 ns
PIC18LFXXXX — 45 ns VDD = 2.0V
54 TCCF CCPx Output Fall Time PIC18FXXXX — 25 ns
PIC18LFXXXX — 45 ns V
DD = 2.0V