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參數(shù)資料
| 型號： | uPD16431AGC-7ET |
| 廠商： | NEC Corp. |
| 英文描述： | LJT 29C 29#16 SKT PLUG |
| 中文描述： | 1 / 2，1 / 3，1/4-DUTY LCD控制器/驅(qū)動 |
| 文件頁數(shù)： | 7/34頁 |
| 文件大?。?/td> | 179K |
| 代理商： | UPD16431AGC-7ET |
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μ
PD16431A
7
If diode A is not available, not only the key data may not be read normally but the LCD display may be
affected or ICs may be damaged or deteriorated.
For example, if SW1 and SW2 are ON and KS
1
has been selected (high level) as shown below, this will
cause not only current I
1
which is supposed to run but also short-circuited current I
2
of KS
1
to KS
2
to run.
It is possible that this will then cause the following three problems:
(1)Since the level to KEY
2
is not correctly sent, the key data cannot be latched correctly.
(2)If KS
2
is used as SEG
2
as well, the LCD display may be distorted (such as causing unintended segments
to light up).
(3)Since the short-circuited current (current I
2
) of KS
2
(high level) to KS
2
(low level) runs, ICS may be
damaged or deteriorated
KEY
1
KEY
2
KEY
3
KEY
4
KS
2
KS
3
KS
4
KS
5
KS
6
KS
7
KS
8
Select
(high level)
Non Select
(low level)
KS
1
SW1
SW2
I
1
I
2
=
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| UPD16431A | 1/2, 1/3, 1/4-DUTY LCD CONTROLLER/DRIVER |
| UPD16448A | SOURCE DRIVER FOR 240-OUTPUT TFT-LCD NAVIGATION, AUTOMOBILE LCD-TV |
| UPD16448AN | SOURCE DRIVER FOR 240-OUTPUT TFT-LCD NAVIGATION, AUTOMOBILE LCD-TV |
| UPD16510 | VERTICAL DRIVER FOR CCD SENSOR |
| UPD16510GR-8JG | VERTICAL DRIVER FOR CCD SENSOR |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UPD16431AGC-7ET (A) | 制造商:Renesas Electronics Corporation 功能描述: |
| UPD16432B | 制造商:NEC 制造商全稱:NEC 功能描述:1/8, 1/15 DUTY LCD CONTROLLER/DRIVER |
| UPD16432BGC-001-9EU | 制造商:NEC 制造商全稱:NEC 功能描述:1/8, 1/15 DUTY LCD CONTROLLER/DRIVER |
| UPD16432BGC-001-9EU-A | 制造商:Renesas Electronics Corporation 功能描述: |
| UPD16434 | 制造商:NEC 制造商全稱:NEC 功能描述:1/8, 1/16 DUTY LCD CONTROLLER/DRIVER |
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