HD6412350 Hitachi, HD6412350 Datasheet - Page 179

• Manufacturer Part Number: HD6412350
• Description: (HD6412350 / HD6432351) 16-BIT MICROCONTROLLER
• Manufacturer: Hitachi

Figure 6-14 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:
indicates the timing of WAIT pin sampling.
Address bus
HWR, LWR
Data bus
Data bus
Figure 6-14 Example of Wait State Insertion Timing
ø
WAIT
RD
AS
T
1
By program wait
T
2
T
w
Write data
By WAIT pin
T
w
T
w
Read data
T
3
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