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參數(shù)資料
| 型號： | LC74782 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | On-Screen Display Controller LSI for VCR Products(用于錄象機的屏幕顯示控制器的大規(guī)模集成電路（LSI）) |
| 中文描述： | 屏幕顯示控制器芯片的錄像機產(chǎn)品（用于錄象機的屏幕顯示控制器的大規(guī)模集成電路（LSI）的） |
| 文件頁數(shù)： | 10/16頁 |
| 文件大?。?/td> | 183K |
| 代理商： | LC74782 |
Second byte
Note: The register states are all set to zero when the LC74782/M is reset with the RST pin.
{
COMMAND3 (Horizontal display start position and horizontal character size setup command)
First byte
Second byte
Note: The register states are all set to zero when the LC74782/M is reset with the RST pin.
No. 4989-10/16
LC74782, 74782M
Register content
DA0 to DA7
Register name
State
Function
Note
7
—
1
6
—
0
Command 3 identification code
Set the horizontal display start position and horizontal
character size.
5
—
1
4
—
1
3
HS21
0
1
Second line horizontal character size
2
HS20
0
1
1
HS11
0
1
First line horizontal character size
0
HS10
0
1
HS21
HS20
0
1
0
1 Tc per dot
2 Tc per dot
1
3 Tc per dot
1 Tc per dot
HS11
HS10
0
1
0
1 Tc per dot
2 Tc per dot
1
3 Tc per dot
1 Tc per dot
Register content
DA0 to DA7
Register name
State
Function
Note
7
—
0
Second byte identification bit
6
LC
0
An LC oscillator is used for the dot clock.
Selects the dot clock used in horizontal
character display.
1
A crystal oscillator is used for the dot clock.
5
HP5
(MSB)
0
If HS is the horizontal start position then:
1
5
4
HP4
0
HS = Tc
×
(2
2
n
HP
n
)
1
n = 0
3
HP3
0
1
2
HP2
0
1
1
HP1
0
1
0
HP0
(LSB)
0
1
The horizontal display start position is
set by the six bits HP5 to HP0.
The weight of bit 1 is 2Tc.
Tc: Period of the oscillator connected to OSCIN/OSCOUT in
operating mode.
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
If VS is the vertical display start position then:
5
VS = H
×
(2
2
n
VP
n
)
n = 0
5
VP5
(MSB)
0
1
4
VP4
0
1
3
VP3
0
1
2
VP2
0
1
1
VP1
0
1
0
VP0
(LSB)
0
1
The vertical display start position is set
by the 6 bits VP0 to VP5.
The weight of bit 1 is 2H.
H: the horizontal synchronization pulse period
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 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: |
| LC74782M-9011-E | 功能描述:顯示驅(qū)動器和控制器 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: 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Reel |
| LC74783 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-screen Display Controller LSI for VCR Products |
| LC74783M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-screen Display Controller LSI for VCR Products |
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