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參數(shù)資料
| 型號(hào)： | LC74781M |
| 元件分類： | 畫面疊加 |
| 英文描述： | ON-SCREEN DISPLAY IC, PDSO24 |
| 封裝： | MFP-24 |
| 文件頁數(shù)： | 16/16頁 |
| 文件大小： | 183K |
| 代理商： | LC74781M |
Second byte
Note: The register states are all set to zero when the LC74781/M is reset with the RST pin.
z COMMAND2 (Vertical display start position and vertical character size setup command)
First byte
Second byte
Note: The register states are all set to zero when the LC74781/M is reset with the RST pin.
No. 4988-9/16
LC74781, 74781M
Register content
DA0 to DA7
Register name
State
Function
Note
7
—
0
6
c6
0
1
5
c5
0
1
4
c4
0
1
3
c3
0
Character code (00 to 7F hexadecimal)
1
2
c2
0
1
c1
0
1
0
c0
0
1
Register content
DA0 to DA7
Register name
State
Function
Note
7
—
0
Second byte identification bit
6
FS
0
Crystal oscillator frequency: 2fsc
1
Crystal oscillator frequency: 4fsc
5
VP5
0
(MSB)
1
4
VP4
0
1
3
VP3
0
1
2
VP2
0
1
VP1
0
1
0
VP0
0
(LSB)
1
The vertical display start position is set
by the 6 bits VP0 to VP5.
The weight of bit 1 is 2H.
If VS is the vertical display start position then:
5
VS = H
× (2Σ 2nVP
n)
n = 0
H: the horizontal synchronization pulse period
Register content
DA0 to DA7
Register name
State
Function
Note
7
—
1
6
—
0
Command 2 identification code
5
—
1
Set the vertical display start position and vertical character size.
4
—
0
3
VS21
0
1
Second line vertical character size
2
VS20
0
1
VS11
0
1
First line vertical character size
0
VS10
0
1
VS21
VS20
0
1
0
1H per dot
2H per dot
1
3H per dot
1H per dot
VS11
VS10
0
1
0
1H per dot
2H per dot
1
3H per dot
1H per dot
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LC74781M-9017-E | 功能描述:顯示驅(qū)動(dòng)器和控制器 RoHS:否 制造商:Panasonic Electronic Components 工作電源電壓:2.7 V to 5.5 V 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Reel |
| LC74781M-9017-TLM-E | 功能描述:顯示驅(qū)動(dòng)器和控制器 RoHS:否 制造商:Panasonic Electronic Components 工作電源電壓:2.7 V to 5.5 V 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Reel |
| LC74782 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-screen Display Controller LSI for VCR Products |
| LC74782M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-screen Display Controller LSI for VCR Products |
| LC74782M-8A13-E | 制造商:ON Semiconductor 功能描述: |
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