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參數資料
| 型號： | LC74731W |
| 元件分類： | 畫面疊加 |
| 英文描述： | ON-SCREEN DISPLAY IC, PQFP64 |
| 封裝： | SQFP-64 |
| 文件頁數： | 10/38頁 |
| 文件大小： | 153K |
| 代理商： | LC74731W |
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No. 6526-18/38
LC74731W
COMMAND3 (Display control setup command)
First byte
DA0 to 7
Register
Content
Notes
State
Function
7
—
1
Command 3 identification code
6
—
0
Display character data write settings
5—
1
4—
1
3
TSTMOD
0
Normal operating mode
This bit must always be 0.
1
Test mode
2
RAMERS
0
The RAM erase operation takes about 500 s. (It
1
Erase display RAM (sets the data to FF (hexadecimal))
must be executed in the DSPOFF state.)
1
OSCSTP
0
Do not stop the crystal and LC oscillator circuits.
This setting is valid in external synchronization
1
Stop the crystal and LC oscillator circuits.
mode when character display is off.
0
SYSRST
0
The reset occurs when the CS pin is low, and is
1
Reset all registers. This turns the display off.
cleared when CS is set high.
Second byte
Note that all registers are set to 0 when the LC74731W is reset by the RST pin.
DA0 to 7
Register
Content
Notes
State
Function
7
—
0
Second byte identification bit
6
LCSOFF
0
Normal operation
Switches the LC oscillator STOP control
1
LC oscillator STOP: Disabled
5
XN53S
0
Normal
Switches the crystal oscillator capability
1
Switching
4
BLKSEL
0
Character display area
Specifies the character size that fills the whole
1
Video display area
character area.
3LC
0
The LC oscillator is used as the dot clock.
Selects the dot clock used for character display in
1
The crystal oscillator is used as the dot clock.
the horizontal direction.
2FS
0
Crystal oscillator frequency: 2 fsc
Sets the crystal oscillator frequency.
1
Crystal oscillator frequency: 4 fsc
1BK
0
Blinking period: 0.5 s
Switches the blinking period.
1
Blinking period: 1 s
0
DSPON
0
Character display: off
1
Character display: on
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LC74731W_11 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller |
| LC74731W-9818-E | 功能描述:顯示驅動器和控制器 RoHS:否 制造商:Panasonic Electronic Components 工作電源電壓:2.7 V to 5.5 V 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Reel |
| LC74731WS-9818-E | 功能描述:顯示驅動器和控制器 RoHS:否 制造商:Panasonic Electronic Components 工作電源電壓:2.7 V to 5.5 V 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Reel |
| LC74732W | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller |
| LC74732W-9811 | 制造商:SANYO Semiconductor Co Ltd 功能描述: |
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