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PIC18F2221_1 Datasheet, PDF (360/402 Pages) Microchip Technology – Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology | |||
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PIC18F2221/2321/4221/4321 FAMILY
FIGURE 27-12: PARALLEL SLAVE PORT TIMING (PIC18F4221/4321)
RE2/CS
RE0/RD
RE1/WR
65
RD<7:0>
64
Note: Refer to Figure 27-5 for load conditions.
62
63
TABLE 27-13: PARALLEL SLAVE PORT REQUIREMENTS (PIC18F4221/4321)
Param.
No.
Symbol
Characteristic
Min Max Units
Conditions
62
TdtV2wrH Data In Valid before WR â or CS â (setup time) 20 â ns
63
TwrH2dtI WR â or CS â to DataâIn
Invalid (hold time)
PIC18FXXXX 20 â ns
PIC18LFXXXX 35 â ns VDD = 2.0V
64
TrdL2dtV RD â and CS â to DataâOut Valid
â 80 ns
65
TrdH2dtI RD â or CS â to DataâOut Invalid
10 30 ns
66
TibfINH
Inhibit of the IBF Flag bit being Cleared from
â 3 TCY
WR â or CS â
DS39689F-page 360
© 2009 Microchip Technology Inc.
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