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PIC18LF4520-IPT Datasheet, PDF (350/412 Pages) Microchip Technology – 28/40/44-Pin Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology | |||
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PIC18F2420/2520/4420/4520
FIGURE 26-12:
RE2/CS
PARALLEL SLAVE PORT TIMING (PIC18F4420/4520)
RE0/RD
RE1/WR
65
RD<7:0>
64
Note: Refer to Figure 26-5 for load conditions.
62
63
TABLE 26-13: PARALLEL SLAVE PORT REQUIREMENTS (PIC18F4420, PIC18F4520)
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
DS39631E-page 348
© 2008 Microchip Technology Inc.
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