FDC37B78X View Datasheet(PDF) - SMSC -> Microchip
Part Name
Description
Manufacturer
FDC37B78X
SMSC -> Microchip
FDC37B78X Datasheet PDF : 258 Pages
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Parallel Port
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 22 - PARALLEL PORT TIMING
TABLE 101 - PARALLEL PORT TIMING
NAME
DESCRIPTION
MIN TYP
t1 PD0-7, nINIT, nSTROBE, nAUTOFD Delay from
nIOW
t2 PINTR Delay from nACK, nFAULT
t3 PINTR Active Low in ECP and EPP Modes
200
t4 PINTR Delay from nACK
t5 nERROR Active to PINTR Active
t6 PD0 - PD7 Delay from IOW Active
Note PINTR refers to the IRQ used by the parallel port.
MAX
100
60
300
105
105
100
UNITS
ns
ns
ns
ns
ns
ns
240
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