FDC37M81 SMSC [SMSC Corporation], FDC37M81 Datasheet - Page 173

• Manufacturer Part Number: FDC37M81
• Description: PC98/99 Compliant Enhanced Super I/O Controller with Keyboard/Mouse Wake-Up
• Manufacturer: SMSC [SMSC Corporation]

NAME
t1
t2
t3
t4
t5
t6
t7
t8
t8
t9
PD[x], nERROR, PE,
SLCT, nACK, BUSY
SA[x], nCS and AEN valid to nIOR asserted
nIOR asserted to nIOR deasserted
nIOR asserted to SA[x], nCS invalid
nIOR asserted to Data Valid
Data Hold/float from nIOR deasserted
nIOR deasserted
Parallel Port setup to nIOR asserted
nIOR asserted after nIOW deasserted
nIOR/nIOR, nIOW/nIOW transfers from/to ECP FIFO
nIOW deasserted to AEN invalid
nIOR/nIOW
SA[x], nCS
SD[x]
nIOR
AEN
DESCRIPTION
t1
FIGURE 7 - ISA READ
t7
ISA READ TIMING
t4
t3
173
DATA VALID
t2
t8
MIN
150
10
50
10
10
25
80
10
t9
t5
TYP
MAX
50
25
20
t6
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns