FDC37C672QFP SMSC Corporation, FDC37C672QFP Datasheet - Page 148
FDC37C672QFP
Manufacturer Part Number
FDC37C672QFP
Description
ENHANCED SUPER I/O CONTROLLER WITH FAST IR
Manufacturer
SMSC Corporation
Datasheet
1.FDC37C672QFP.pdf
(173 pages)
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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
SMSC FDC37C672
NAME
t10
t1
t2
t3
t4
t5
t6
t7
t8
t9
SA[x], nCS
PINTR
FINTR
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
nIOW
SD[x]
AEN
IBF
t1
DESCRIPTION
t3
DATASHEET
Figure 21.3 - ISA Write
DATA VALID
Page 148
t2
t4
t10
MIN
t5
t7
10
80
10
45
25
10
t8
t6
Enhanced Super I/O Controller with Fast IR
t9
TYP
MAX
260
55
40
0
Rev. 10-29-03
UNITS
Datasheet
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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