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參數(shù)資料
| 型號(hào)： | LC74775M |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | On-Screen Display Controller IC |
| 中文描述： | 屏幕顯示控制器IC |
| 文件頁(yè)數(shù)： | 11/35頁(yè) |
| 文件大?。?/td> | 258K |
| 代理商： | LC74775M |
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No. 5919-11/35
LC74775, 74775M
DA 0 to 7
Register
Contents
Notes
State
Function
7
at
0
Character attribute off
1
Character attribute on
6
c6
0
1
5
c5
0
1
4
c4
0
1
Character code (00 to 7F hexadecimal)
3
c3
0
1
2
c2
0
(7E
HEX
: Space character)
(7F
HEX
: Transparent space character)
1
1
c1
0
1
0
c0
0
1
Second byte
Note: All registers are set to 0 when the LC74775/M is reset by the RST pin.
DA 0 to 7
Register
Contents
Notes
State
Function
7
–
1
6
–
0
Command 2 identification code.
Vertical display start position and the vertical character
size setup.
5
–
1
4
–
0
3
VS21
0
1
Second line vertical character size
2
VS20
0
1
1
VS11
0
1
First line vertical character size
0
VS10
0
1
COMMAND2: Vertical display start position and vertical character size setup command
VS20
0
1
VS21
0
1H/dot
2H/dot
1
3H/dot
1H/dot
VS10
0
1
VS11
0
1H/dot
2H/dot
1
3H/dot
1H/dot
DA 0 to 7
Register
Contents
Notes
State
Function
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
n=0
5
VP5
0
(MSB)
1
4
VP4
0
1
3
VP3
0
The vertical display start position is set by the
1
6 bits VP0 to VP5.
2
VP2
0
The weight of bit 1 is 2H.
1
1
VP1
0
1
0
VP0
0
(LSB)
1
Second byte
VS =
α
+H
×
H: The horizontal synchronization pulse period
α
= 20H (525H systems)
α
= 25H (625H systems)
2
2 VP
n
Character display area
Note: All registers are set to 0 when the LC74775/M is reset by the RST pin.
First byte
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| LC74776 | On-Screen Display Controller IC |
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| LC74781 | On-Screen Display Controller LSI for VCR Products(用于錄象機(jī)的屏幕顯示控制器的大規(guī)模集成電路（LSI）) |
| LC74782 | On-Screen Display Controller LSI for VCR Products(用于錄象機(jī)的屏幕顯示控制器的大規(guī)模集成電路（LSI）) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LC74775M-9614-E | 制造商:ON Semiconductor 功能描述:ON-SCREEN DISPLAY CONTROL - Ammo Pack |
| LC74776 | 制造商:SANYO 制造商全稱(chēng):Sanyo Semicon Device 功能描述:On-Screen Display Controller IC |
| LC74776M | 制造商:SANYO 制造商全稱(chēng):Sanyo Semicon Device 功能描述:On-Screen Display Controller IC |
| LC74776NM-9780-TRM | 制造商:SANYO Semiconductor Co Ltd 功能描述:ON-SCREEN DISPLAY IC, PDSO30 |
| LC74780 | 制造商:SANYO 制造商全稱(chēng):Sanyo Semicon Device 功能描述:On-screen Video Display Controllers for VCRs |
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