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參數資料
| 型號： | LC74751 |
| 元件分類： | 畫面疊加 |
| 英文描述： | ON-SCREEN DISPLAY IC, PDIP22 |
| 封裝： | SDIP-22 |
| 文件頁數： | 2/15頁 |
| 文件大小： | 540K |
| 代理商： | LC74751 |
No. 5396-10/15
LC74751
Address 191 (0BF hexadecimal)
DA
Register
Contents
Notes
0 to C
State
Function
0
BCOL
0
Background color provided (only valid in internal synchronization mode)
1
No background color (Only the background level is set)
1
CBOFF
0
The burst signal is always output.
1
The burst signal is not output when BCOL is high.
2
EXT/
0
External synchronization
Switches between external and internal
INT
1
Internal synchronization
sources for the HSYNC and VSYNC signals.
3
BLINK0
0
Changes the blinking duty ratio.
1
4
BLINK1
0
1
5
BLINK2
0
Blinking period: 0.5 s
Changes the blinking period.
1
Blinking period: 1.0 s
6
RVSON
0
Reverse video off
1
Reverse video on
7
BLK0
0
Changes the blanking size
1
8
BLK1
0
1
9—
0
1
A
VSNSEP
0
External V input used (SEPIN: pin 19)
Selects V input when superimpose mode is used.
1
Internal V separation circuit used
B
TSTMOD
0
Normal operating mode
This bit must be set to 0.
1
Test mode
BLK0
01
BLK1
0
Blinking off
Character size
1
Frame size
Whole area size
BLINK0
01
BLINK1
0
Blinking off
25% duty
1
50% duty
75% duty
Note: The states of all registers are set to zero when the IC is reset by the RST pin.
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| LC74759JM-9820-TRM-E | 制造商:SANYO Semiconductor Co Ltd 功能描述:ELECTRONIC COMPONENT |
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| LC74761 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display LSI |
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