HD6412240 RENESAS [Renesas Technology Corp], HD6412240 Datasheet - Page 207

• Manufacturer Part Number: HD6412240
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Figure 6.18 shows an 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. When a manual reset is performed, the contents of bus controller registers are
retained, and the wait control settings remain the same as before the reset.
Read
Write
Note:
Address bus
indicates the timing of WAIT pin sampling.
HWR, LWR
Data bus
Data bus
Figure 6.18 Example of Wait State Insertion Timing
WAIT
RD
AS
T
1
By program wait
T
2
T
w
Rev.3.00 Mar. 26, 2007 Page 165 of 772
Write data
By WAIT pin
T
w
Section 6 Bus Controller
T
w
REJ09B0355-0300
Read data
T
3