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參數資料
| 型號： | LC74784 |
| 廠商： | SANYO SEMICONDUCTOR CO LTD |
| 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： | 3/17頁 |
| 文件大?。?/td> | 187K |
| 代理商： | LC74784 |
COMMAND4 (Display control setup command)
First byte
Second byte
Note: The register states are all set to zero when the LC74784/M is reset with the RST pin.
No. 4991-11/15
LC74784, 74784M
Register content
DA0 to DA7
Register name
State
Function
Note
7
—
0
Second byte identification bit
6
BLK2
0
Character display block
Full character size specification
1
Video display block
5
BLK1
0
1
Changes the blanking size.
4
BLK0
0
1
3
BK1
0
Blinking period: about 0.5 s
Switches the blinking period.
1
Blinking period: about 1.0 s
0
Blinking off
When blinking is specified for reversed
2
BK0
characters, the blinking will be between
1
Blinking on
normal character and reversed character
display.
1
RV
0
Reverse (character reversing) off
1
Reverse (character reversing) on
0
DSPON
0
Character display off
1
Character display on
BLK1
BLK0
0
1
0
Blanking off
Character size
1
Border size
Full character size
Register content
DA0 to DA7
Register name
State
Function
Note
7
—
1
6
—
1
Command 4 identification code
5
—
0
Display control
4
—
0
3
TSTMOD
0
Normal operating mode
This bit must be zero.
1
Test mode
0
The RAM erase operation requires about
2
RAMERS
500 s (It is executed in the DSPOFF
1
Erase display RAM (set to FF hexadecimal)
state.)
1
OSCSTP
0
Do not stop the crystal oscillator and LC oscillator circuits.
Valid when character display is off in
1
Stop the crystal oscillator and LC oscillator circuits.
external synchronization mode.
0
SYSRST
0
Reset occurs when the CS pin is low, and
1
Reset all registers and turn the display off.
the reset is cleared when CS goes high.
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| LC74785 | ON-SCREEN DISPLAY IC, PDIP24 |
| LC74785M | ON-SCREEN DISPLAY IC, PDSO24 |
| LC74786 | ON-SCREEN DISPLAY IC, PDIP24 |
| LC74786 | ON-SCREEN DISPLAY IC, PDIP24 |
| LC74786M | ON-SCREEN DISPLAY IC, PDSO24 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 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 |
| LC74785M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller LSI |
| LC74786 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller |
| LC74786-9606-E | 制造商:ON Semiconductor 功能描述:ON-SCREEN DISPLAY CONTROL - Ammo Pack |
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