SMC Networks SMC91C95 Product Manual page 123

A0-15
(ISA)
AEN,
nSBHE
nIOCS16
nIOWR
Z
IOCHRDY
D0-D15
t9 Control Active to IOCHRDY Low
t18 IOCHRDY Width when Data Register is Full
IOCHRDY is used instead of meeting t20 and t44.
'No Wait St' bit is 1 - IOCHRDY only negated if needed and only for Data Register access.
FIGURE 31 - DATA REGISTER SPECIAL WRITE ACCESS
VALID ADDRESS
t9
t18
VALID DATA IN
Parameter
123
Z
min typ max
15
425
units
ns
ns