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Most memory and peripheral devices latch data on the rising edge of the write strobe. Address,
chip-select and data must be valid (set up) prior to the rising edge of WR. T
fine the minimum data setup requirements. The value calculated by their respective equations
must be greater than the device requirements. To increase the calculated value, insert wait states.
LA15:1
RD
LA0
WR
BHE
LCS
Figure 3-22. 16-Bit Bus Read/Write Device Interface
BUS INTERFACE UNIT
A0:14
OE
I/O1:8
WE
CS1
A0:14
OE
I/O1:8
WE
CS1
, T
and T
de-
AW
CW
DW
AD7:0
AD15:8
A1106-0A
3-25
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