SMC Networks SMC91C95 - Manual (Page 120)

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FIGURE 28 - ISA CONSECUTIVE WRITE CYCLES
VALID ADDRESS VALID ADDRESS
t15 t4
t3 t20
A0-15
AEN, nSBHE
nIOCS16
nIOWR
D0-15 VALID DATA IN
VALID DATA
t7
t8
BALE Tied High
t3
t4
t7
t8
t15
t20
25
ns
ns
ns
ns
ns
ns
Address, nSBHE, AEN Setup to Control Active
Address, nSBHE, AEN Hold after Control
Inactive
Data Setup to nIOWR Rising
Data Hold after nIOWR Rising
A4-A15, AEN Low, BALE High to nIOCS16
Low
Cycle time*
Parameter min typ max units
25
20
30
9
185
IOCHRDY not used - t20 has to be met
*Note: The cycle time is defined only for consecutive accesses to the Data Register. These values assume
that IOCHRDY is not used.