PIC18F2420-I/SOC01 Microchip, PIC18F2420-I/SOC01 Datasheet - Page 350

• Manufacturer Part Number: PIC18F2420-I/SOC01
• Description: 28 pin, 16 kb flash, 3804 ram, 25 i/o...
• Manufacturer: Microchip

PIC18F2420/2520/4420/4520
FIGURE 26-12:
TABLE 26-13: PARALLEL SLAVE PORT REQUIREMENTS (PIC18F4420, PIC18F4520)
DS39631E-page 348
62
63
64
65
66
Param.
No.
Note:
RD<7:0>
RE1/WR
RE0/RD
RE2/CS
TdtV2wrH
TwrH2dtI
TrdL2dtV
TrdH2dtI
TibfINH
Symbol
Refer to Figure 26-5 for load conditions.
PARALLEL SLAVE PORT TIMING (PIC18F4420/4520)
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 of the IBF Flag bit being Cleared from
WR ↑ or CS ↑
64
Characteristic
65
PIC18FXXXX
PIC18LFXXXX
Min
20
20
35
10
—
—
3 T
62
Max
80
30
—
—
—
CY
© 2008 Microchip Technology Inc.
Units
63
ns
ns
ns
ns
ns
V
DD
= 2.0V
Conditions