HM17CM4096 ETC2 [List of Unclassifed Manufacturers], HM17CM4096 Datasheet - Page 39
HM17CM4096
Manufacturer Part Number
HM17CM4096
Description
128XRGBX162 OUTPUT LCD DRIVER IC with built-in RAM
Manufacturer
ETC2 [List of Unclassifed Manufacturers]
Datasheet
1.HM17CM4096.pdf
(67 pages)
- Current page: 39 of 67
- Download datasheet (2Mb)
(24) REFERENCE VOLTAGE GENERATION CIRCUIT
(25) LCD DRIVING VOLTAGE GENERATION CIRCUIT
output voltage level from V
terminal V
voltages V
each of LCD power terminals.
display the LCD.
supply the V
C
C
circuit is not activated, you should supply reference voltage through V
voltage converting circuit at V
4
1
The reference voltage generation circuit is within voltage converting circuit.
This circuit generates reference voltage V
The LCD driving voltages can be made by applying reference voltage to reference voltage input
The generation circuit of LCD driving voltage is within voltage converting circuit and generates
The bias ratio of LCD driving voltages can be one of 1/5, 1/6, 1/7, 1/8, 1/9, 1/10, 1/11, 1/12.
When using built-in power supply circuit, you should connect voltage stabilization capacitor CA
When using external voltage supply, disable the built-in power supply circuit(AMPON, DCON=‘00’),
When using external voltage source and parts of built-in voltage converting circuit, the terminals of
Connecting stabilization capacitor CA
+ , C
+ , C
4
1
- , C
- , C
REF
LCD
5
OUT
+ , C
2
.
, V
+ , C
V
, V
1
BA
, V
5
LCD
= V
- , C
2
2
- , C
, V
, V
EE
6
3
1
+ , C
, V
x 0.9
3
, V
+ , C
4
BA
2
by resistively dividing V
, V
6
terminal is as following description.
- , V
OUT
3
3
- , C
, V
.
EE
4
There is need for selecting the coefficient of capacitor CA
voltages externally and open the C
, V
4
+ , C
REF
3
, V
at V
4
- , C
REG
BA
REG
5
terminals.
terminal for using at regulator circuit through.
+ , C
terminal is recommended.
LCD
5
- , C
into 4 levels.
6
+ , C
6
- should be open because boosting
REF
1
+ , C
terminal and the voltage for
HM17CM4096
1
- , C
2
+ , C
2
- , C
3
+ , C
2
- 39 -
after
The
2
3
- ,
at
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