參數(shù)資料
型號(hào)： BT457KG125
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(yè)數(shù)： 42/60頁(yè)
文件大?。?/td> 647K
代理商： BT457KG125
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
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
BT457KG80 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Video DAC with Color Palette (RAMDAC)
BT457KPJ110 制造商:BROOKTREE 功能描述:
BT457KPJ125 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Video DAC with Color Palette (RAMDAC)
BT457KPJ135 制造商:BROOKTREE 功能描述: 制造商:Brooktree 功能描述:Digital Analog Converter, Single, 8 Bit, 84 Pin, PLCC 制造商:Brooktree (BT) 功能描述:Digital Analog Converter, Single, 8 Bit, 84 Pin, PLCC 制造商:BT 功能描述:Digital Analog Converter, Single, 8 Bit, 84 Pin, PLCC
BT457KPJ80 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Video DAC with Color Palette (RAMDAC)
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