H8S2164 Datasheet, PDF (183/906 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcomputer H8S Family / H8S/2400 Series

Section 6 Bus Controller (BSC)
By program wait
By WAIT pin
T₁
T₂
T_W
T_W
T_W
T₃
φ
WAIT
Address bus
IOS (IOSE = 1)
AS _*(IOSE = 0)
Read
RD
Data bus
Read data
Write
WR
Data bus
Write data
Note: ↓ shown in φ clock indicates the WAIT pin sampling timing.
* For external address space access, this signal is not output when the 256-kbyte extended area
is accessed with CS256E = 1.
Figure 6.28 Example of Wait State Insertion Timing (Pin Wait Mode)
Rev. 1.00 Mar. 17, 2008 Page 143 of 862
REJ09B0429-0100