D12320VF25V Datasheet, PDF (203/1146 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Figure 6.14 shows an example of wait state insertion timing.
Section 6 Bus Controller
By program wait By WAIT pin
T₁
T₂
T_w
T_w
T_w
T₃
φ
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 6.14 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.
Rev.7.00 Feb. 14, 2007 page 169 of 1108
REJ09B0089-0700