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Notes : 2.
3. DB0 - DB7 : load circuit
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AX6018 Dot Matrix Liquid Crystal Graphic Display Column Driver
ASLIC MICROELECTRONICS CORP.
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Page 8
P
WEL
2.0V
0.8V
t
t
AS
AS
P
WEH
cyc
t
t f
tAH
tr
2.0V
0.8V
2.4V
0.4V
t
t
t AH
DDR
DHR
E
R/W
CS1 - CS3
D/I
DB0 - DB7
Figure 2 CPU Read Timing
¡´
D1
C
R
RL
D2
D3
D4
Test
point
RL = 2.4k£[
R = 11k £[
C = 130pF (including jig capacitance)
Diodes D1 - D4 are all 1S2074 H