Non-PCI Single-Chip Full Duplex Ethernet Controller
A0-15
AEN, nSBHE
VALID ADDRESS
VALID ADDRESS
t4
t15
nIOCS16
t3
t20
nIOWR
D0-15
t8
t7
VALID DATA IN
VALID DATA
Parameter
min
typ
max
units
Address, nSBHE, AEN Setup to Control Active
Address, nSBHE, AEN Hold after Control
Inactive
t3
t4
10
5
ns
ns
Data Setup to nIOWR Rising
Data Hold after nIOWR Rising
A4-A15, AEN Low, BALE High to nIOCS16
Low
t7
t8
5
5
ns
ns
ns
t15
12
Cycle time*
t20
185
ns
BALE Tied High
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.
Figure 12.2 – Local Bus Consecutive Write Cycles
SMSC DS – LAN91C96I
Page 93
Rev. 11/18/2004
DATASHEET
SMSC [ SMSC CORPORATION ]
