PC87307VUL National Semiconductor, PC87307VUL Datasheet - Page 209

• Manufacturer Part Number: PC87307VUL
• Description: PC87307/PC97307 Plug and Play Compatible and PC97 Compliant SuperI/O
• Manufacturer: National Semiconductor

13.3.19 Extended Capabilities Port (ECP) Timing
t
t
t
t
t
t
t
t
t
t
t
t
ECDSF
ECDHF
ECLHF
ECHHF
ECHLF
ECLLF
PD7-0
AFD
STB
BUSY
ECDSB
ECDHB
ECLHB
ECHHB
ECHLB
ECLLB
PD7-0
BUSY
ACK
AFD
Symbol
Symbol
Data Setup before Strobe Active
Data Hold after BUSY
BUSY Setup after Strobe Active
Strobe Active after BUSY
BUSY Setup after Strobe Inactive
Strobe Active after BUSY
Data Setup before Strobe Active
Data Hold after BUSY
BUSY Setup after Strobe Active
Strobe Active after BUSY
BUSY Setup after Strobe Inactive
Strobe Active after BUSY
TABLE 13-56. Extended Capabilities Port (ECP) Timing – Backward
TABLE 13-55. Extended Capabilities Port (ECP) Timing – Forward
FIGURE 13-27. ECP Parallel Port Backward Timing Diagram
FIGURE 13-26. ECP Parallel Port Forward Timing Diagram
Parameter
Parameter
t
t
ECDSF
ECDSB
Device Description
t
t
ECLHF
ECLHB
209
Test Conditions
Test Conditions
t
ECHHF
t
ECHHB
t
t
ECDHF
ECDHB
t
ECHLF
t
ECHLB
t
ECLLF
t
ECLLB
Min
Min
75
75
0
0
0
0
0
0
0
0
0
0
Max
Max
35
35
1
1
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msec
msec
nsec
nsec
nsec
nsec
nsec
nsec
nsec
nsec
Unit
Unit
sec
sec