SH7144 Datasheet, PDF (179/773 Pages) Renesas Technology Corp – Hitachi SuperH RISC engine

9.6.2 Wait State Control
The number of wait states inserted into external space access states can be controlled using the
WCR settings. The specified number of Tw cycles are inserted as software cycles at the timing
shown in figure 9.4.
CK
Address
T1
Tw
T2
Read
Data
Write
Data
DACK
Figure 9.4 Wait State Timing of External Space Access (Software Wait Only)
Rev. 2.0, 09/02, page 139 of 732