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參數(shù)資料
| 型號： | UPD6465GT |
| 廠商： | NEC Corp. |
| 英文描述： | ON-SCREEN CHARACTER DISPLAY CMOS LSI FOR 12-LINE, 24-COLUMN DECK-TYPE VCR |
| 中文描述： | 屏幕字符顯示的CMOS大規(guī)模集成電路的12線，24柱甲板型錄像機 |
| 文件頁數(shù)： | 9/52頁 |
| 文件大?。?/td> | 570K |
| 代理商： | UPD6465GT |
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μ
PD6464A,6465
9
2.2 Display Control Command
This command turns ON/OFF the display and controls LC oscillation and blinking of characters.
D7
D6
D5
D4
D3
D2
D1
D0
0
0
0
1
D0
LC
BL1
BL0
Blinking control bits
BL1
BL0
0
0
0
1
1
1
Function
Blinking OFF
Blinking frequency: about 2 Hz
Blinking frequency: about 0.5 Hz
Display ON/OFF control bit
D0
0
1
Function
Display OFF
Display ON
LC oscillation control bit
LC
0
1
Function
LC oscillation OFF
LC oscillation ON
1
0
Blinking frequency: about 1 Hz
Blinking control bits
These bits blink the character that is specified by the display character control command.
The blinking ratio is 1:1, and three blinking frequencies can be selected.
Blinking in character units can be specified by the display character control command.
LC oscillation control bit
This bit controls LC oscillation and can turn ON/OFF the oscillation circuit. While no character is displayed,
oscillation can be stopped to reduce the power dissipation.
Data cannot be written to the video RAM with oscillation stopped. To write data to the video RAM, be sure to turn
ON oscillation.
Remark
Oscillation is synchronized with Hsync when display is ON and LC oscillation is ON, and oscillation
is stopped while Hsync is low. When display is OFF and LC oscillation is ON, oscillation is performed,
regardless of the level of Hsync.
Display ON/OFF control bit
This bit turns ON/OFF the display output. The display is turned ON/OFF in synchronization with the fall of Hsync.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| UPD6465GT-101(A) | 制造商:Renesas Electronics Corporation 功能描述: |
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| UPD6466GS | 制造商:NEC 制造商全稱:NEC 功能描述:ON-SCREEN CHARACTER DISPLAY CMOS IC FOR 512-CHARACTER, 12-ROW, 24-COLUMN, CAMERA-CONTAINED VCR |
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