Epson S1C6200A Specifications Page 141

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S1C6S2N7 TECHNICAL SOFTWARE EPSON II-31
CHAPTER 3: PERIPHERAL CIRCUITS (LCD Driver)
Fig. 3.5.3
7-segment LCD assignment
In the assignment shown in Figure 3.5.3, the 7-segment
display pattern is controlled by writing data to display
memory addresses 090H and 091H.
g f e
091H
dcba
090H
D3 D2 D1 D0
Address
Register
a
g
fb
ec
d
SEG
0–25
COM
0–3
Frame frequency
LCD lighting status
COM0
COM1
COM2
COM3
SEG0–25
-V
DD
-V
L1
-V
L2
-V
L3
-V
DD
-V
L1
-V
L2
-V
L3
-V
DD
-V
L1
-V
L2
-V
L3
Not lit
Lit
Fig. 3.5.2
1/1 duty drive control
(1/3 bias)
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