Datasheet

PIC18F2220/2320/4220/4320
DS39599G-page 334 © 2007 Microchip Technology Inc.
TABLE 26-12: CAPTURE/COMPARE/PWM REQUIREMENTS (ALL CCP MODULES)
FIGURE 26-12: PARALLEL SLAVE PORT TIMING (PIC18F4X20)
Param
No.
Symbol Characteristic Min Max Units Conditions
50 TCCL CCPx Input Low
Time
No prescaler 0.5 TCY + 20 — ns
With
prescaler
PIC18FXX20 10 — ns
PIC18LFXX20 20 — ns
51 T
CCH CCPx Input High
Time
No prescaler 0.5 TCY + 20 — ns
With
prescaler
PIC18FXX20 10 — ns
PIC18LFXX20 20 — ns
52 T
CCP CCPx Input Period 3 TCY + 40
N
—nsN = prescale
value (1,4 or 16)
53 TCCR CCPx Output Fall Time PIC18FXX20 — 25 ns
PIC18LFXX20 — 45 ns
54 T
CCF CCPx Output Fall Time PIC18FXX20 — 25 ns
PIC18LFXX20 — 45 ns
Note: Refer to Figure 26-5 for load conditions.
RE2/CS
RE0/RD
RE1/WR
RD7:RD0
62
63
64
65