HD6433044 Datasheet, PDF (151/867 Pages) Hitachi Semiconductor – Hitachi Single-Chip Microcomputer

Programmable Wait Mode: The number of wait states (T_W) selected by bits WC1 and WC0 are
inserted in all accesses to external three-state-access areas. Figure 6-15 shows the timing when the
wait count is 1 (WC1 = 0, WC0 = 1).
T₁
T₂
T_W
T₃
ø
Address bus
External address
AS
Read
access
RD
Data bus
Write
access
HWR, LWR
Data bus
Read data
Write data
Figure 6-15 Programmable Wait Mode
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