PIC18F258 MICROCHIP [Microchip Technology], PIC18F258 Datasheet - Page 344

• Manufacturer Part Number: PIC18F258
• Description: High Performance, 28/40-Pin Enhanced FLASH Microcontrollers with CAN
• Manufacturer: MICROCHIP [Microchip Technology]

PIC18FXX8
FIGURE 27-11:
TABLE 27-12: PARALLEL SLAVE PORT REQUIREMENTS (PIC18F248 AND PIC18F458)
DS41159B-page 342
62
63
64
65
66
Param
No.
Note: Refer to Figure 27-4 for load conditions.
RD7:RD0
RE1/WR
RE0/RD
RE2/CS
TdtV2wrH
TwrH2dtI
TrdL2dtV
TrdH2dtI
TibfINH
Symbol
Data-in valid before WR or CS
(setup time)
WR or CS to data-in invalid
(hold time)
RD and CS to data-out valid
RD or CS to data-out invalid
Inhibit the IBF flag bit being cleared from
WR or CS
PARALLEL SLAVE PORT TIMING (PIC18F248 AND PIC18F458)
64
Characteristic
65
Preliminary
PIC18FXX8
PIC18LFXX8
Min
20
25
20
35
10
—
—
—
3 T
Max
80
90
30
—
—
—
—
CY
62
Units
ns
ns
ns
ns
ns
ns
ns
ns
2002 Microchip Technology Inc.
63
Extended Temp. range
Extended Temp. range
Conditions