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參數(shù)資料
| 型號(hào)： | NJU6677CL |
| 廠商： | New Japan Radio Co., Ltd. |
| 英文描述： | 88-common x 132-segment BIT MAP LCD DRIVER |
| 中文描述： | 88共同× 132段位圖，多媒體播放器 |
| 文件頁(yè)數(shù)： | 32/45頁(yè) |
| 文件大?。?/td> | 470K |
| 代理商： | NJU6677CL |
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NJU667
7
(c) Contrast Adjustment by the EVR function
The EVR controls voltage of V
As result, LCD display contrast is adjusted by V
5
conditions by setting 6bits data into the EVR register.
In case of EVR operation, T
1
terminal and T
2
require to set couples of value as (L,L),(L,H) and (H,L) excepting
for (H,H) and the internal power supply must turn on by instruction.
(37)H to (4F)H available for use. If keeping 3% precision set EVR over (4F)H.
REG
by instruction and changes voltage of V
5
.
. The EVR selects a voltage of V
REG
in the following 201
Min.(4F)H Max.(FF)H
Adjustable Range
6.2 - - - - - - - - - - - - - - - - - - - 15.0 [V]
Step Voltagre
50 [mV]
* In case of V
DD
=3V
Adjustable range of the LCD driving voltage by EVR function
The adjustable range is decided by the power supply voltage V
Ra and Rb.
[ Design example for the adjustable range / Reference ]
DD
and the ratio of external resistors
- Condition V
Ra=1M
The adjustable range and the step voltage are calculated as follows in the above condition.
DD
=3.0V, V
SS
=0V
, Rb=4M
( Ra:Rb=1:4 )
In case of setting (4F)
H
V
LCD
= ((Ra+Rb)/Ra)V
= (5/1) x [(100/300) x 3.0]
= 6.2V
in the EVR register,
REG
In case of setting (FF)
H
V
LCD
= ((Ra+Rb)/Ra)V
= (5/1) x [(300/300) x 3.0]
= 15.0V
in the EVR register,
REG
EVR register
V
REG
[V]
:
:
V
LCD
Low
:
:
:
:
:
:
:
:
:
:
(4F)
H
:
:
(FD)
H
(FE)
H
(FF)
H
(0,1,0,0,1,1,1,1)
:
:
(1,1,1,1,1,1,0,1)
(1,1,1,1,1,1,1,0)
(1,1,1,1,1,1,1,1)
(124/300) x (V
DD
-V
SS
)
:
:
(298/300) x (V
DD
-V
SS
)
(299/300) x (V
DD
-V
SS
)
(300/300) x (V
DD
-V
SS
)
High
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| NJU6677 | Adjustable Precision Micropower Shunt Voltage Reference, 1.0% accuracy 5-SC70 -40 to 85 |
| NJU6577 | 88Common x 132Segment Bit Map LCD Driver(88x132點(diǎn)陣位圖LCD驅(qū)動(dòng)器) |
| NJU6678 | Adjustable Precision Micropower Shunt Voltage Reference, 1.0% accuracy 3-TO-92 -40 to 85 |
| NJU6678CL | Adjustable Precision Micropower Shunt Voltage Reference, 1.0% accuracy 3-TO-92 -40 to 85 |
| NJU6679CL | 128-common x 132-segment BIT MAP LCD DRIVER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| NJU6678 | 制造商:NJRC 制造商全稱(chēng):New Japan Radio 功能描述:104-common x 132-segment BIT MAP LCD DRIVER |
| NJU6678CL | 制造商:NJRC 制造商全稱(chēng):New Japan Radio 功能描述:104-common x 132-segment BIT MAP LCD DRIVER |
| NJU6678VACL-G-CT2 | 功能描述:LCD 驅(qū)動(dòng)器 104 com x 132 seg Bit Map LCD Driver RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube |
| NJU6678VBH-04 | 功能描述:LCD 驅(qū)動(dòng)器 104Com x 132Seg RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube |
| NJU6679 | 制造商:NJRC 制造商全稱(chēng):New Japan Radio 功能描述:128-common x 132-segment BIT MAP LCD DRIVER |
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