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Chapter 5
Bus Control Function
User’s Manual U16702EE3V2UD00
5.10 Bus
Timing
(1)
Read cycle
Figure 5-9:
Bus Read Timing (Bus Size: 16 bit, 16-bit Access)
Note:
AD15-8 hold the data when we access to odd address with 8-bit access.
Remarks: 1.
The circles indicate the sampling timing when 0 is set for the programmable wait.
2.
The broken line indicates high impedance.
In the case of
8-bit access
Odd address
Even address
AD15 to AD8
Data
-
AD7 to AD0
-
Data
CLKOUT
T1
T2
T3
T1
T2
TW
TW
T3
TI
T1
AD15-AD0
ASTB
CSn
WAIT
RD
A1
D1
A2
D2
A3
IDLE
state
Programmable
wait
External
wait
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