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
AEN
SA[x], nCS
nIOW
SD[x]
t3
t2
t1
t4
DATA VALID
FINTR
PINTR
IBF
t10
t6
t5
t7
t8
t9
Figure 21.3 - ISA Write
NAME
t1
t2
t3
t4
t5
t6
t7
t8
t9
t10
DESCRIPTION
SA[x], nCS and AEN valid to nIOW asserted
nIOW asserted to nIOW deasserted
nIOW asserted to SA[x], nCS invalid
SD[x] Valid to nIOW deasserted
SD[x] Hold from nIOW deasserted
nIOW deasserted to nIOW asserted
nIOW deasserted to FINTR deasserted (Note 21.2)
nIOW deasserted to PINTER deasserted (Note 21.3)
IBF (internal signal) asserted from nIOW deasserted
nIOW deasserted to AEN invalid
Note 21.2 FINTR refers to the IRQ used by the floppy disk.
Note 21.3 PINTR refers to the IRQ used by the parallel port
MIN
TYP
MAX UNITS
10
ns
80
ns
10
ns
45
ns
0
ns
25
ns
55
ns
260
ns
40
ns
10
ns
SMSC FDC37C672
Page 148
DATASHEET
Rev. 10-29-03
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