FDC37C672 View Datasheet(PDF) - SMSC -> Microchip
Part Name
Description
Manufacturer
FDC37C672 Datasheet PDF : 173 Pages
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Enhanced Super I/O Controller with Fast IR
Datasheet
PD0- PD7
t6
nIOW
nINIT, nSTROBE.
nAUTOFD, SLCTIN
nACK
nPINTR
(SPP)
PINTR
(ECP or EPP Enabled)
nFAULT (ECP)
nERROR
(ECP)
PINTR
t1
t2
t4
t3
t5
t2
t3
Figure 21.12 - Parallel Port Timing
NAME
t1
t2
t3
t4
t5
t6
DESCRIPTION
PD0-7, nINIT, nSTROBE, nAUTOFD Delay from nIOW
PINTR Delay from nACK, nFAULT
PINTR Active Low in ECP and EPP Modes
PINTR Delay from nACK
nERROR Active to PINTR Active
PD0 - PD7 Delay from IOW Active
Note: PINTR refers to the IRQ used by the parallel port.
MIN
TYP MAX UNITS
100
ns
60
ns
200
300
ns
105
ns
105
ns
100
ns
SMSC FDC37C672
Page 156
DATASHEET
Rev. 10-29-03
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