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参数资料
| 型号： | LC74730M |
| 元件分类： | 画面叠加 |
| 英文描述： | ON-SCREEN DISPLAY IC, PDSO30 |
| 封装： | MFP30S |
| 文件页数： | 2/14页 |
| 文件大小： | 250K |
| 代理商： | LC74730M |
⑥ COMMAND 5 (Synchronizing signal control setup command)
First byte
Second byte
Note: All these registers are set to 0 by a reset due to the RST pin.
Display Screen Organization
The display screen consists of 10 lines of 24 characters each. Thus the maximum number of characters that can be
displayed is 240 characters. However, the maximum number of characters that can be displayed may be fewer than 240
when characters are enlarged. The display memory address consists of a line address (with values from 0 to 9 decimal),
and a column (character position) address (with values from 0 to 23 decimal).
No. 4247-10/14
LC74730M
Register content
DA0 to DA7
Register name
State
Function
Note
7—
0
Second byte identification bit
6—
0
5—
0
4—
0
3
SN3
0
1
2
SN2
0
1
SN1
0
1
0
SN0
0
1
External synchronizing signal detection
control
SN3 SN2 SN1 SN0
Number of times HSYNC detected
00
Not detected
00
01
16 times
00
10
32 times
01
00
64 times
10
00
128 times
Register content
DA0 to DA7
Register name
State
Function
Note
7—
1
6—
1
Command 5 identification code
5—
0
Sets up control of the synchronizing signals
4—
1
0
3
PH1
1
0
2
PH0
1
BCL
0
Background color displayed.
Valid only in internal synchronization
1
No background color (only the background level is set).
mode
0
INT
0
External synchronization
Switches between internal and external
1
Internal synchronization
synchronization.
Sets the background color
(one of 4 colors).
There is only one background color
(blue) in PAL-M mode.
PHASE1 PHASE0
Background color (phase)
00
π/2
01
π
10
3π/2
11
In phase
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LC74731 | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:On-Screen Display Controller |
| LC74731W | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:On-Screen Display Controller |
| LC74731W_11 | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:On-Screen Display Controller |
| LC74731W-9818-E | 功能描述:显示驱动器和控制器 RoHS:否 制造商:Panasonic Electronic Components 工作电源电压:2.7 V to 5.5 V 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Reel |
| LC74731WS-9818-E | 功能描述:显示驱动器和控制器 RoHS:否 制造商:Panasonic Electronic Components 工作电源电压:2.7 V to 5.5 V 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Reel |
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