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Figure 5.1 Memory expansion mode and microprocessor mode (no-wait)
Memory expansion mode and microprocessor mode (no-wait)
Read timing
BCLK
ALE
DB
RD
ADi
BHE
Write timing
BCLK
ALE
DB
ADi
BHE
CSi
CSi
WR, WRL,
WRH
Conditions:
• V
CC=5V
• Input timing voltage: VIL=0.8V, VIH=2.5V
• Output timing voltage: VOL=0.8V, VOH=2.0V