Oki ML63611, User Manual

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ML63611 User’s Manual
Chapter 13 LCD Driver (LCD)
13 – 13
OPTION B (D): 1.5 V (3.0 V), With regulator
circuit for LCD bias
OPTION A (C): 1.5 V (3.0 V), Without regulator
circuit for LCD bias
(2) Figure 13-9 shows the OPTION A bias generator configuration.
To LCD driver
Bias
generator
circuit
V
DD3
V
DD2
V
DD1
(1.5 V)
(4.5 V)
(3.0 V)
(1.5 V)
V
SS
C1
ML63611
C2
C
12
C
2
C
3
1 kHz
(from time base counter)
V
DD
V
DD3
V
DD2
V
DD1
(0 V)
Inside the IC
V
DD
Figure 13-9 Configuration of the Bias Generator Circuit of the OPTION A
(C
2
, C
3
, C
12
= 0.1
µµµµ
F)
Note:
If the LCD driver is not used, capacitors C
2
, C
3
, and C
12
are not necessary. Leave each of the V
DD1
, V
DD2
, V
DD3
,
C1, and C2 pins open.
!