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Programmable Wait Mode: The number of wait states (T
inserted in all accesses to external three-state-access areas. Figure 6-15 shows the timing when the
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wait count is 1 (WC1 = 0, WC0 = 1).
ø
Address bus
AS
RD
Read
access
Data bus
HWR,
Write
access
Data bus
T
1
LWR
Figure 6-15 Programmable Wait Mode
) selected by bits WC1 and WC0 are
W
T
T
2
W
External address
Write data
137
T
3
Read data
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