CHAPTER 5 MEMORY ACCESS CONTROL FUNCTION
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User’s Manual U14492EJ3V0UD
5.1.2
SRAM, external ROM, external I/O access
Figure 5-1. SRAM, External ROM, External I/O Access Timing (1/5)
(a) On a read (1 wait insertion)
T1
T2
TW
T3
Address
Data
H
CLKOUT (Output)
A16 to A23 (Output)
AD0 to AD15 (I/O)
ASTB (Output)
RD (Output)
UWR, LWR (Output)
CSn (Output)
WAIT (Input)
Address
Remarks 1.
The circles indicate the sampling timing.
2.
Broken lines indicate high impedance.
3.
n = 0 to 7
Содержание V850E/IA1 mPD703116
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