FDC37B78X SMSC Corporation, FDC37B78X Datasheet - Page 229
FDC37B78X
Manufacturer Part Number
FDC37B78X
Description
Enhanced Super I/O Controller with ACPI Support/ Real Time Clock and Consumer IR
Manufacturer
SMSC Corporation
Datasheet
1.FDC37B78X.pdf
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ISA WRITE
Note 1: FINTR refers to the IRQ used by the floppy disk
Note 2: PINTR refers to the IRQ used by the parallel port
NAME
SA[x],
t10
t1
t2
t3
t4
t5
t6
t7
t8
t9
FINTR
PINTR
nIOW
SD[x]
AEN
IBF
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 1)
nIOW deasserted to PINTER deasserted (Note 2)
IBF (internal signal) asserted from nIOW deasserted
nIOW deasserted to AEN invalid
t1
DESCRIPTION
FIGURE 13 - ISA WRITE TIMING
TABLE 92 - ISA WRITE TIMING
t3
DATA
t2
t4
229
t10
t5
t7
MIN
t8
10
80
10
45
25
10
t6
t9
TYP
MAX
260
55
40
0
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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