HD6432633 Datasheet, PDF (259/1453 Pages) Renesas Technology Corp – Series of Microcomputers (MCUs: microcomputer units)

Figure 7-14 shows an example of wait state insertion timing.
By program wait By WAIT pin
T₁
T₂
T_w
T_w
T_w
T₃
ø
WAIT
Address bus
AS
Read
RD
Data bus
Read data
Write
HWR, LWR
Data bus
Write data
Note: indicates the timing of WAIT pin sampling.
Figure 7-14 Example of Wait State Insertion Timing
The settings after a power-on reset are: 3-state access, 3 program wait state insertion, and WAIT
input disabled. At a manual reset, the bus control register values are retained and wait control
continues as before the reset.
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