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PIC18F4520E/MLQTP Datasheet(PDF) 350 Page - Microchip Technology

Part # PIC18F4520E/MLQTP
Description  28/40/44-Pin Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology
PDF  390 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC18F4520E/MLQTP Datasheet(HTML) 350 Page - Microchip Technology

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PIC18F2420/2520/4420/4520
DS39631A-page 348
Preliminary
 2004 Microchip Technology Inc.
FIGURE 26-11:
PARALLEL SLAVE PORT TIMING (PIC18F4420/4520)
TABLE 26-13: PARALLEL SLAVE PORT REQUIREMENTS (PIC18F4420/4520)
Note:
Refer to Figure 26-4 for load conditions.
RE2/CS
RE0/RD
RE1/WR
RD7:RD0
62
63
64
65
Param.
No.
Symbol
Characteristic
Min
Max
Units
Conditions
62
TdtV2wrH
Data In Valid before WR
↑ or CS ↑
(setup time)
20
—
ns
63
TwrH2dtI
WR
↑ or CS ↑ to Data–In
Invalid (hold time)
PIC18FXXXX
20
—
ns
PIC18LFXXXX
35
—
ns
VDD = 2.0V
64
TrdL2dtV
RD
↓ and CS ↓ to Data–Out Valid
—
80
ns
65
TrdH2dtI
RD
↑ or CS ↓ to Data–Out Invalid
10
30
ns
66
TibfINH
Inhibit of the IBF Flag bit being Cleared from
WR
↑ or CS ↑
—3 TCY



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