HD6412340 HITACHI [Hitachi Semiconductor], HD6412340 Datasheet - Page 179

• Manufacturer Part Number: HD6412340
• Description: H8S/2345 F-ZTAT Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

Figure 6.14 shows an example of wait state insertion timing.
By WAIT pin
By program wait
T
T
T
T
T
T
1
2
w
w
w
3
ø
WAIT
Address bus
AS
RD
Read
Data bus
Read data
HWR, LWR
Write
Data bus
Write data
indicates the timing of WAIT pin sampling.
Note:
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. 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.
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