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Figure 5.6 Memory expansion mode and microprocessor mode (no-wait)
VCC = 3 V
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 =3 V
• Input timing voltage: VIL = 0.48 V, VIH = 1.5 V
• Output timing voltage: VOL = 1.5 V, VOH = 1.5 V