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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)： | 6/34頁 |
| 文件大小： | 179K |
| 代理商： | UPD16431AGC-7ET |
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μ
PD16431A
6
KEY MATRIX CONFIGURATION
An example of key matrix configurations is shown below.
1) When pressing three or more times is assumed:
A configuration example is shown below. In this configuration, 0 to 32 ON switches can be
recognized.
KEY
1
KEY
2
KEY
3
KEY
4
KS
2
KS
3
KS
4
KS
5
KS
6
KS
7
KS
8
KS
1
=
C
2) When pressing twice or more times is assumed:
A configuration example is shown below. In this configuration, 0 to 2 ON switches can be recognized.
KEY
1
KEY
2
KEY
3
KEY
4
KS
2
KS
3
KS
4
KS
5
KS
6
KS
7
KS
8
KS
1
=
Diode A
In this configuration, pressing three or more times may cause OFF switches to be determined to be ON.
For example, if SW2 to SW4 are ON and KS
1
has been selected (high level) as shown below, SW3 in which
current I
1
is running is supposed to be detected to be ON. However, since SW2 and SW4 are ON, current
I
2
runs thus resulting in SW1 to be recognized as being ON.
KEY
1
KEY
2
KEY
3
KEY
4
KS
2
KS
3
KS
4
KS
5
KS
6
KS
7
KS
8
Select
KS
1
SW3
SW4
I
1
I
2
=
SW1
SW2
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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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