參數(shù)資料
型號: S-4561A
廠商: Seiko Instruments Inc.
英文描述: LCD Controller-Driver With Built-in Serial and Parallel interfaces(內(nèi)置串行和并行接口的LCD控制器-驅(qū)動器)
中文描述: LCD控制器,內(nèi)置的串行和并行接口(內(nèi)置串行和并行接口的液晶顯示控制器-驅(qū)動器驅(qū)動程序)
文件頁數(shù): 39/49頁
文件大小: 461K
代理商: S-4561A
LCD Controller-Driver
S-4561A
38
Seiko Instruments Inc.
I
External Bias Resistor vs LCD Drive Waveform
Figure 17
External Bias Resistor vs LCD Drive Waveform
V
LCD
V
1
V
2
V
3
V
4
V
SS
SEG Waveform
M
M
1.
1/4 or more bias
COM Waveform
M
M
Ra
2
R
b
V
LCD
V
1
V
2
=V
3
V
4
V
SS
SEG Waveform
M
M
2.
1/4 bias
COM Waveform
M
M
R
b
R
b
R
b
V
LCD
V
1
V
3
V
2
V
4
V
SS
SEG Waveform
M
M
3.
1/3 to 1/4 bias
COM Waveform
M
M
R
c2
R
c3
R
c2
R
d
V
LCD
V
1
=V
3
V
2
=V
4
V
SS
SEG Waveform
M
M
4.
1/3 bias
COM Waveform
M
M
R
d
R
d
R
e1
V
LCD
V
3
V
1
V
4
V
2
V
SS
SEG Waveform
M
M
5.
1/2 to 1/3 bias
COM Waveform
M
M
R
e2
R
e3
R
e2
R
e1
R
=
α
R
a1
0
≤α
Bias
=
R
a1
+R
a1
+R
a2
+R
a1
+R
a1
1
R
a
=
4+
α
R
C2
+R
C3
=R
C1
R
C2
=
β
R
C1
0
≤β≤
1
Bias
=R
C1
+R
C2
+R
C3
+R
C2
+R
C1
1
R
C1
=
3+
β
R
e3
=
γ
(Re
1
+Re
2
)
R
e1
=R
e3
0
≤γ≤
1
Bias
=R
e1
+R
e2
+R
e3
+R
e2
+R
e1
1
R
e1
+R
e2
=
2+
γ
Ra
1
Ra
1
Ra
1
Ra
1
R
c1
R
c1
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