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参数资料
| 型号： | LC74782 |
| 厂商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分类： | 画面叠加 |
| 英文描述： | ON-SCREEN DISPLAY IC, PDIP24 |
| 封装： | SDIP-24 |
| 文件页数： | 5/16页 |
| 文件大小： | 183K |
| 代理商： | LC74782 |
~ COMMAND6 (Synchronization signal detection setup command)
First byte
Second byte
Note: The register states are all set to zero when the LC74782/M is reset with the RST pin.
COMMAND7 (Display control setup command)
First byte
No. 4989-13/16
LC74782, 74782M
Register content
DA0 to DA7
Register name
State
Function
Note
7
—
0
Second byte identification bit
6
RN2
0
1
5
RN1
0
1
4
RN0
0
1
3
SN3
0
1
2
SN2
0
1
SN1
0
1
0
SN0
0
1
External synchronization signal
detection control
Signal present to absent transition
recognition
Setting for the sampling period when
SYNC can not be detected
consecutively in the horizontal
synchronization signal period (1H).
External synchronization signal detection
control
Signal absent to present transition
recognition
Setting for the sampling period when
SYNC can be detected consecutively in
the horizontal synchronization signal
period (1H).
RN2
RN1
RN0
Number of times HSYNC detected
0
0 times
0
1
4 times
0
1
0
8 times
1
0
16 times
SN3 SN2 SN1 SN0
Number of times HSYNC detected
0
Not detected
0
1
32 times
0
1
0
64 times
0
1
0
128 times
1
0
256 times
Register content
DA0 to DA7
Register name
State
Function
Note
7
—
1
6
—
1
Command 7 identification code
5
—
1
Display control setup
4
—
1
3
EX1
0
MODE1 setting output
Switches the SEPOUT (pin 19) output
1
PORT DATA1 setting output
2
PD1
0
The output is set low.
1
The output is set high.
1
EX0
0
MODE0 setting output
Switches the BLANK (pin 5) output
1
PORT DATA0 setting output
0
PD0
0
The output is set low.
1
The output is set high.
Register content
DA0 to DA7
Register name
State
Function
Note
7
—
1
6
—
1
Command 6 identification code
5
—
1
Synchronization signal control settings
4
—
0
3
MOD1
0
Sync separator circuit signal
Switches the SEPOUT (pin 19) output
1
High level output during internal synchronization
0
Pin 5: Blank signal
2
MOD0
Pin 8: Character signal
Switches the BLANK (pin 5) and CHARA
1
Pin 5: Composite synchronization signal
(pin 8) outputs
Pin 8: External synchronization signal discrimination output signal
1
DISLIN
0
12 lines
Switches the number of display lines.
1
10 lines
0
MUT
0
Normal output
Switches CVOUT
1
CVIN is cut and CVOUT is fixed at the pedestal level.
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相关代理商/技术参数 |
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| LC74782M | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:On-screen Display Controller LSI for VCR Products |
| LC74782M-8A13-E | 制造商:ON Semiconductor 功能描述: |
| LC74782M-9011-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 |
| LC74783 | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:On-screen Display Controller LSI for VCR Products |
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