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參數資料
| 型號： | LC74783 |
| 元件分類： | 畫面疊加 |
| 英文描述： | ON-SCREEN DISPLAY IC, PDIP24 |
| 封裝： | SDIP-24 |
| 文件頁數： | 5/15頁 |
| 文件大小： | 181K |
| 代理商： | LC74783 |
Second byte
Note: The register states are all set to zero when the LC74783/M is reset with the RST pin.
COMMAND7 (Display control setup command)
First byte
No. 4990-13/15
LC74783, 74783M
Register content
DA0 to DA7
Register name
State
Function
Note
7
—
0
Second byte identification bit
6
RN2
0
1
5
RN1
0
1
4
RN0
0
1
3
SN3
0
1
2
SN2
0
1
SN1
0
1
0
SN0
0
1
External synchronization signal
detection control
Signal present to absent transition
recognition
Setting for the sampling period when
SYNC can not be detected
consecutively in the horizontal
synchronization signal period (1H).
External synchronization signal detection
control
Signal absent to present transition
recognition
Setting for the sampling period when
SYNC can be detected consecutively in
the horizontal synchronization signal
period (1H).
RN2
RN1
RN0
Number of times HSYNC detected
0
0 times
0
1
4 times
0
1
0
8 times
1
0
16 times
SN3 SN2 SN1 SN0
Number of times HSYNC detected
0
Not detected
0
1
32 times
0
1
0
64 times
0
1
0
128 times
1
0
256 times
Register content
DA0 to DA7
Register name
State
Function
Note
7
—
1
6
—
1
Command 7 identification code
5
—
1
Display control setup
4
—
1
3
EX1
0
MODE1 setting output
Switches the SEPOUT (pin 19) output
1
PORT DATA1 setting output
2
PD1
0
The output is set low.
1
The output is set high.
1
EX0
0
MODE0 setting output
Switches the BLANK (pin 5) output
1
PORT DATA0 setting output
0
PD0
0
The output is set low.
1
The output is set high.
相關PDF資料 |
PDF描述 |
|---|---|
| LC74783M | ON-SCREEN DISPLAY IC, PDSO24 |
| LC74783M | ON-SCREEN DISPLAY IC, PDSO24 |
| LC74783 | ON-SCREEN DISPLAY IC, PDIP24 |
| LC74784 | ON-SCREEN DISPLAY IC, PDIP24 |
| LC74784M | ON-SCREEN DISPLAY IC, PDSO24 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 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 |
| LC74783M-9014-E | 制造商:ON Semiconductor 功能描述:ON-SCREEN DISPLAY CONTROL - Ammo Pack |
| LC74784 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-screen Display Controller LSI for VCR Products |
| LC74784M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-screen Display Controller LSI for VCR Products |
| LC74785 | 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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