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參數(shù)資料
| 型號(hào)： | 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(jī) |
| 文件頁(yè)數(shù)： | 20/52頁(yè) |
| 文件大?。?/td> | 570K |
| 代理商： | UPD6465GT |
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μ
PD6464A,6465
20
2.10 Output Level Control Command
The
μ
PD6464A, 6465 can set the luminance level of the character and background (including the frame) by
using a command.
This command is a 2-byte command, and must be input in 16-bit units even when successively input.
D15
1
D14
0
D13
0
D12
1
D11
0
D10
0
D9
0
D8
VPD
D7
0
D6
0
D5
0
D4
0
D3
0
D2
1
D1
VC1
D0
VC0
Character level control bits
VC1
VC0
0
1
1
1
Function
75 I.R.E.
90 I.R.E.
Setting Prohibited
Internal video signal amplitude control bit
VPD
0
1
Function
1 V
p-p
amplitude
2 V
p-p
amplitude
1
0
Setting Prohibited
0
0
Character level control bits
These bits can select two character luminance levels: 75 or 90 I.R.E.
If these bits are not set, the character level is set to 75 I.R.E.
Remark
The background (frame) level is fixed to 0 I.R.E.
Internal video signal amplitude control bit
This bit sets the amplitude of the internal video signal to 1 or 2 V
p-p
(this amplitude must match the amplitude of
the signal input in the external video signal mode). When the amplitude is set to 1 V
p-p
, the voltage applied to the
V
CNT
pin must be 2.5 V.
When the amplitude is set to 2 V
p-p
, apply 5 V to the V
CNT
pin.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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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