PIC18F2220/2320/4220/4320
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
Time
No prescaler
0.5 TCY + 20
—
—
—
—
—
—
—
ns
ns
ns
ns
ns
ns
ns
With
PIC18FXX20
10
prescaler
PIC18LFXX20
20
51
TCCH
CCPx Input High No prescaler
Time
0.5 TCY + 20
With
PIC18FXX20
10
20
prescaler
PIC18LFXX20
52
53
TCCP
TCCR
CCPx Input Period
3 TCY + 40
N
N = prescale
value (1,4 or 16)
CCPx Output Fall Time
CCPx Output Fall Time
PIC18FXX20
PIC18LFXX20
PIC18FXX20
PIC18LFXX20
—
—
—
—
25
45
25
45
ns
ns
ns
ns
54
TCCF
DS39599C-page 330
2003 Microchip Technology Inc.