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參數(shù)資料
| 型號： | LC74723 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | On-Screen Display Controller |
| 中文描述： | 屏幕顯示控制器 |
| 文件頁數(shù)： | 8/12頁 |
| 文件大?。?/td> | 144K |
| 代理商： | LC74723 |
3. COMMAND2 (Vertical display start position and vertical character size setting command)
First byte
Second byte
Note: The register states are all set to zero when the LC74723 is reset with the RST pin.
4. COMMAND3 (Horizontal display start position and horizontal character size setting command)
First byte
No. 4841-8/12
LC74723, 74723M
DA
0 to 7
Register
name
Contents
Remarks
State
Function
7
—
1
6
—
0
Command 2 identification code
Set vertical display start position and vertical character size.
5
—
1
4
—
0
3
—
0
2
VS20
0
1H per dot
Second line vertical character size
1
2H per dot
1
—
0
0
VS10
0
1H per dot
First line vertical character size
1
2H per dot
DA
0 to 7
Register
name
Contents
Remarks
State
Function
7
—
0
Second byte identification code
6
FS
0
Crystal oscillator frequency: 2f
sc
Crystal oscillator frequency: 4f
sc
If VS is the vertical display start position then:
5
1
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
DA
0 to 7
Register
name
Contents
Remarks
State
Function
7
—
1
6
—
0
Command 3 identification code
Set horizontal display start position and horizontal character size.
5
—
1
4
—
1
3
EGP
0
Correction: on
Trimming specifications when the horizontal
character size is doubled
1
Correction: off
2
HS20
0
1Tc per dot
Second line horizontal character size
1
2Tc per dot
1
—
0
0
HS10
0
1Tc per dot
First line horizontal character size
1
2Tc per dot
The vertical display start position is set by the
6 bits VP0 to VP5.
The weight of the low-order bit is 2H.
H: the horizontal synchronization pulse period
VS = H
×
(2
Σ
n
VP
n
)
n = 0
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|---|---|
| LC74725 | On-Screen Display Controller LSI |
| LC74725M | On-Screen Display Controller LSI |
| LC7472 | On-screen Video Display Controller for NTSC or PAL-M |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LC74723M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller |
| LC74723M9141 | 制造商:Panasonic Industrial Company 功能描述:IC |
| LC74723M9629 | 制造商:Panasonic Industrial Company 功能描述:IC |
| LC74725 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller LSI |
| LC74725M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller LSI |
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