Bus Timing - NEC V850E/RS1 User Manual

5.10 Bus Timing

(1) Read cycle
CLKOUT
AD15-AD0
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.
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Chapter 5 Bus Control Function
Figure 5-9: Bus Read Timing (Bus Size: 16 bit, 16-bit Access)
T1
T2 T3
A1 D1
ASTB
CSn
WAIT
RD
In the case of
8-bit access
AD15 to AD8
AD7 to AD0
2. The broken line indicates high impedance.
User's Manual U16702EE3V2UD00
TW
T1 T2 TW
A2 D2
Programmable External
wait wait
Odd address Even address
Data -
- Data
T3 TI T1
A3
IDLE
state