參數(shù)資料
型號(hào): S-4561A
元件分類: 顯示控制器
英文描述: 16 X 60 DOTS DOT MAT LCD DRVR AND DSPL CTLR, UUC166
封裝: 7.65 X 2 MM, DIE-166
文件頁(yè)數(shù): 32/48頁(yè)
文件大小: 427K
代理商: S-4561A
LCD Controller-Driver
S-4561A
38
Seiko Instruments Inc.
s External Bias Resistor vs LCD Drive Waveform
Figure 17 External Bias Resistor vs LCD Drive Waveform
VLCD
V1
V2
V3
V4
VSS
SEG Waveform
M
1.
1/4 or more bias
COM Waveform
MM
Ra2
Rb
VLCD
V1
V2=V3
V4
VSS
SEG Waveform
M
2.
1/4 bias
COM Waveform
MM
Rb
VLCD
V1
V3
V2
V4
VSS
SEG Waveform
M
3.
1/3 to 1/4 bias
COM Waveform
MM
Rc2
Rc3
Rc2
Rd
VLCD
V1=V3
V2=V4
VSS
SEG Waveform
M
4.
1/3 bias
COM Waveform
MM
Rd
Re1
VLCD
V3
V1
V4
V2
VSS
SEG Waveform
M
5.
1/2 to 1/3 bias
COM Waveform
MM
Re2
Re3
Re2
Re1
Ra2=
αR
a1
0
≤α
Bias
=
Ra1+Ra1+Ra2+Ra1+Ra1
Ra
=
4+
α
1
RC2+RC3=RC1
RC2=
βR
C1
0
≤β≤1
Bias
=
RC1+RC2+RC3+RC2+RC1
RC1
=
3+
β
1
Re3=
γ(Re
1+Re2)
Re1=Re3
0
≤γ≤1
Bias
=
Re1+Re2+Re3+Re2+Re1
Re1+Re2
=
2+
γ
1
Ra1
Rc1
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