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參數(shù)資料
| 型號(hào)： | LC74794 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | On-Screen Display Controller LSI(用于屏幕顯示控制器規(guī)模集成電路（LSI）) |
| 中文描述： | 屏幕顯示控制器芯片（用于屏幕顯示控制器規(guī)模集成電路（LSI）的） |
| 文件頁(yè)數(shù)： | 14/30頁(yè) |
| 文件大?。?/td> | 217K |
| 代理商： | LC74794 |
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No. 5557-14/30
LC74794, 74794M
COMMAND6 (Synchronizing signal detection setup command)
First byte
DA
0 to 7
7
6
5
4
Register
Contents
Notes
State
1
1
1
0
0
1
0
1
0
1
0
1
Function
—
—
—
—
3
SEL0
Sync separator signal
Output signal set by MOD0
High-level output
ST pulse signal
12 lines
10 lines
Normal output
CV
IN
is cut and CV
OUT
is held at the pedestal level.
Switches the SEP
OUT
(pin 19) output.
2
MOD0
Only valid when SEL0 is high.
1
DISLIN
Switches the number of lines displayed.
0
MUT
CV
OUT
switching
Command 6 identification code
Sets up synchronizing signal control.
Second byte
Note: All registers are set to 0 when the LC74794/M is reset by the RST pin.
DA
0 to 7
7
Register
Contents
Notes
State
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Function
—
Second byte identification bit
6
RN2
5
RN1
4
RN0
3
SN3
2
SN2
1
SN1
0
SN0
External synchronizing signal detection control
Signal absent
→
signal present transition
detection
Sets the sampling period in which SYNC can
be detected continuously in the horizontal
synchronizing signal period (1H).
External synchronizing signal detection control
Signal present
→
signal absent transition
detection
Sets the sampling period in which SYNC
cannot be detected continuously in the
horizontal synchronizing signal period (1H).
RN2
0
0
0
1
RN1
0
0
1
0
RN0
0
1
0
0
Number of times HSYNC detected
0 times
4 times
8 times
16 times
SN3
0
0
0
0
1
SN2
0
0
0
1
0
SN1
0
0
1
0
0
SN0
0
1
0
0
0
Number of times HSYNC detected
Not detected
32 times
64 times
128 times
256 times
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PDF描述 |
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| LC74795 | On-Screen Display Controller LSI(用于屏幕顯示控制器規(guī)模集成電路（LSI）) |
| LC74798 | On-Screen Display Controller IC(屏幕顯示控制器芯片) |
| LC74799 | On-Screen Display Controller IC(屏幕顯示控制器芯片) |
| LC7480 | Video A/D Converter with 3-Input Multiplexer |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LC74794M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller LSI |
| LC74795 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller LSI |
| LC74795M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller LSI |
| LC74798 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller IC |
| LC74798M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller IC |
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