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參數(shù)資料
| 型號： | BT458LPJ80 |
| 英文描述： | Video DAC with Color Palette (RAMDAC) |
| 中文描述： | 視頻DAC的調(diào)色板（的RAMDAC） |
| 文件頁數(shù)： | 42/60頁 |
| 文件大?。?/td> | 647K |
| 代理商： | BT458LPJ80 |
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4.0 Application Information
Bt457/Bt458
4.7 Initializing the Bt457 (Color) 8-bit MPU Data Bus
125 MHz/135 MHz/165 MHz Monolithic CMOS 256 Color Palette
4-10
Conexant
L45801 Rev. N
Green Bt457
Write $04 to address register
Write $FF to read mask register
Write $05 to address register
Write $00 to blink mask register
Write $06 to address register
Write $40 to command register
Write $07 to address register
Write $02 to test register
Blue Bt457
Write $04 to address register
Write $FF to read mask register
Write $05 to address register
Write $00 to blink mask register
Write $06 to address register
Write $40 to command register
Write $07 to address register
Write $04 to test register
Color Palette RAM Initialization
Write $00 to all three address registers
Write red data to RAM (location $00)
Write green data to RAM (location $00)
Write blue data to RAM (location $00)
Write red data to RAM (location $01)
Write green data to RAM (location $01)
Write blue data to RAM (location $01)
:
Write red data to RAM (location $FF)
Write green data to RAM (location $FF)
Write blue data to RAM (location $FF)
Overlay Color Palette Initialization
Write $00 to all three address registers
Write red data to overlay (location $00)
Write green data to overlay (location $00)
Write blue data to overlay (location $00)
Write red data to overlay (location $01)
Write green data to overlay (location $01)
Write blue data to overlay (location $01)
:
Write red data to overlay (location $03)
Write green data to overlay (location $03)
Write blue data to overlay (location $03)
00
10
00
10
00
10
00
10
00
10
00
10
00
10
00
10
00
01
01
01
01
01
01
:
01
01
01
00
11
11
11
11
11
11
:
11
11
11
相關(guān)PDF資料 |
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| BT457KG125 | Video DAC with Color Palette (RAMDAC) |
| BT457KG80 | Video DAC with Color Palette (RAMDAC) |
| BT457KPJ110 | Video DAC with Color Palette (RAMDAC) |
| BT457KPJ125 | Video DAC with Color Palette (RAMDAC) |
| BT457KPJ80 | Video DAC with Color Palette (RAMDAC) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| BT471KPJ35-695 | 制造商:BT 功能描述: |
| BT471KPJ80 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Video DAC with Color Palette (RAMDAC) |
| BT473KPJ110 | 制造商:BT 功能描述:Digital Analog Converter, Triple, 8 Bit, 68 Pin, PLCC |
| BT473KPJ110ES2 | 制造商:BT 功能描述:Digital Analog Converter, Triple, 8 Bit, 68 Pin, PLCC |
| BT473KPJ110-ES2 | 制造商:BT 功能描述:Digital Analog Converter, Triple, 8 Bit, 68 Pin, PLCC |
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