Filter
Top Products
( 58 / 76 )
Figure 5.3 Memory expansion and microprocessor modes (with wait, multiplex bus)
Memory expansion and microprocessor modes
(with wait, accessing external memory area and using multiplex bus)
Read timing
BCLK
ALE
ADi
DBi
Write timing
BCLK
ALE
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
ADi
DBi
CSi
ADi
BHE
WR, WRL,
WRH
ADi
BHE
CSi
WR