FDC37C932APM View Datasheet(PDF) - SMSC -> Microchip
Part Name
Description
Manufacturer
FDC37C932APM
SMSC -> Microchip
FDC37C932APM Datasheet PDF : 280 Pages
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AEN
SA[x], nCS
nIOW
t3
t2
t1
t4
SD[x]
GP I/O
FINTR
DATA VALID
PINTR
IBF
t10
t6
t11
t5
t7
t8
t9
FIGURE 18 - ISA WRITE
NAME
DESCRIPTION
MIN
t1 SA[x], nCS and AEN Valid to nIOW Asserted
10
t2 nIOW Asserted to nIOW Deasserted
80
t3 nIOW Asserted to SA[x], nCS Invalid
10
t4 SD[x] Valid to nIOW Deasserted
45
t5 SD[x] Hold from nIOW Deasserted
t6 nIOW Deasserted to nIOW Asserted
25
t7 nIOW Deasserted to FINTR Deasserted (Note 2)
t8 nIOW Deasserted to PINTER Deasserted (Note 3)
t9 IBF (Internal Signal) Asserted from nIOW Deasserted
t10 nIOW Deasserted to AEN Invalid
10
t11 nIOW Deasserted to GPI/O Out Valid
TYP MAX UNITS
ns
ns
ns
ns
0
ns
ns
55
ns
260
ns
40
ns
ns
100
ns
Note 1: If ACCESS.bus is used at 12 MHz, use 100 ns.
Note 2: FINTR refers to the IRQ used by the floppy disk.
Note 3: PINTR refers to the IRQ used by the parallel port
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