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18F452 Datasheet(PDF) 279 Page - Microchip Technology

Part # 18F452
Description  High Performance, Enhanced FLASH Microcontrollers with 10-Bit A/D
PDF  332 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

18F452 Datasheet(HTML) 279 Page - Microchip Technology

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 2002 Microchip Technology Inc.
DS39564B-page 277
PIC18FXX2
FIGURE 22-11:
PARALLEL SLAVE PORT TIMING (PIC18F4X2)
TABLE 22-10: PARALLEL SLAVE PORT REQUIREMENTS (PIC18F4X2)
Note:
Refer to Figure 22-4 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
25
—
—
ns
ns
Extended Temp. Range
63
TwrH2dtI
WR
↑ or CS↑ to data–in invalid
(hold time)
PIC18FXXX
20
—
ns
PIC18LFXXX
35
—
ns
VDD = 2V
64
TrdL2dtV
RD
↓ and CS↓ to data–out valid
—
—
80
90
ns
ns
Extended Temp. Range
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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