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