PIC18F2420 MICROCHIP [Microchip Technology], PIC18F2420 Datasheet - Page 350
PIC18F2420
Manufacturer Part Number
PIC18F2420
Description
28/40/44-Pin Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.PIC18F2420.pdf
(390 pages)
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PIC18F2420/2520/4420/4520
FIGURE 26-11:
TABLE 26-13: PARALLEL SLAVE PORT REQUIREMENTS (PIC18F4420/4520)
DS39631A-page 348
62
63
64
65
66
Param.
No.
Note:
RD7:RD0
RE1/WR
RE2/CS
RE0/RD
TdtV2wrH
TwrH2dtI
TrdL2dtV
TrdH2dtI
TibfINH
Symbol
Refer to Figure 26-4 for load conditions.
PARALLEL SLAVE PORT TIMING (PIC18F4420/4520)
Data In Valid before WR
(setup time)
WR
Invalid (hold time)
RD
RD
Inhibit of the IBF Flag bit being Cleared from
WR
and CS
or CS
or CS
or CS
64
to Data–Out Invalid
to Data–In
to Data–Out Valid
Characteristic
65
or CS
Preliminary
PIC18FXXXX
PIC18LFXXXX
Min
20
20
35
10
—
—
3 T
Max
62
80
30
—
—
—
CY
2004 Microchip Technology Inc.
Units
63
ns
ns
ns
ns
ns
V
DD
= 2.0V
Conditions
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