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參數(shù)資料
| 型號： | LC74770 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | On-Screen Display Controller LSI |
| 中文描述： | 屏幕顯示控制器芯片 |
| 文件頁數(shù)： | 8/11頁 |
| 文件大小： | 125K |
| 代理商： | LC74770 |
Second byte
Note: All registers are set to 0 when the LC74770M is reset by the RST pin.
5
COMMAND 4 (Display control setup command)
First byte
No. 4248-8/11
LC74770M
Register content
DA0 to DA7
Register name
State
Function
Note
7
—
0
Second byte identification bit
6
—
0
5
HP5
(MSB)
0
1
4
HP4
0
1
3
HP3
0
1
2
HP2
0
1
1
HP1
0
1
0
HP0
(LSB)
0
1
The horizontal display start position is
set by the 6 bits HP0 to HP5.
The weight of bit 1 is 1Tc.
If HS is the horizontal start position then:
5
HS = Tc
×
2
n
HP
n
)
n = 0
Tc: Period of the oscillator connected to OSC
IN
/OSC
OUT
in
operating mode.
Register content
DA0 to DA7
Register name
State
Function
Note
7
—
1
6
—
1
Command 4 identification code
Sets up display control.
5
—
0
4
—
0
3
TST
0
Normal operating mode
This bit must be zero.
(TSTMOD)
1
Test mode
2
RCL
0
Valid when display is off.
(RAMCLR)
1
Erase display RAM (Data is set to 7F hexadecimal.)
1
OSC
0
Do not stop the LC oscillator circuit.
This bit must be zero.
(OSCSTP)
1
Stop the LC oscillator circuit.
RST
0
The LSI is reset when the CS pin is low,
and the reset is cleared when that pin
goes high.
0
(SYSRST)
1
Reset all registers and turn the display off.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LC74770M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller LSI |
| LC74772V | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Camcorder On-Screen Display LSI |
| LC74772V_99 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Camcorder On-Screen Display LSI |
| LC74772V-9015-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 |
| LC74772V-9015-TLM-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 |
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