HD6473032F Datasheet, PDF (130/572 Pages) Hitachi Semiconductor – Hitachi 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 6-8 shows the timing when the
wait count is 1 (WC1 = 0, WC0 = 1).
T₁
ø
Address bus
AS
Read
access
RD
Data bus
Write
access
WR
Data bus
T₂
T_W
T₃
External address
Read data
Write data
Figure 6-8 Programmable Wait Mode
115