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參數(shù)資料
| 型號： | LM1236 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 150 MHz I2C Compatible RGB Preamplifier with Internal 254 Character OSD ROM, 512 Character RAM and 4 DACs |
| 中文描述： | 150 MHz的I2C兼容的RGB前置放大器254字符OSD光盤，512個字符RAM和4 DAC的內(nèi)置 |
| 文件頁數(shù)： | 33/43頁 |
| 文件大?。?/td> | 1898K |
| 代理商： | LM1236 |
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Control Register Definitions
(Continued)
Character Font Access Register:
CHARFONTACC (0x8402)
Reserved
X
X
Select
ATTR
Plane
FONT4
X
X
X
X
Bit 0
This is the Color Bit Plane Selector. This bit must be set to 0 to read or write a two-color attribute from the range
0x0000 to 0x2FFF. When reading or writing four-color attributes from the range 0x3000 to 0x3FFF, this bit is set to
0 for the least significant plane and to 1 for the most significant plane. It is also required to set this bit to read the
individual bit planes of the four color character fonts in 0x3000 to 0x3FFF and 0x7000 to 0x7FFF.
This is the Character/Attribute Selector. This applies to reads from the Display Page RAM (address range
0x8000–0x81FF). When a 0, the character code is returned and when a 1, the attribute code is returned.
Reserved. These should be set to zero.
Bit 1
Bits 7–2
Vertical Blank Duration Register:
VBLANKDUR (0x8403)
Vertical Blanking Duration
VB[6:0]
Res’d
X
Bits 6–0
This register determines the duration of the vertical blanking signal in scan lines. When vertical blanking is enabled,
it is recommended that this register be set to a number greater than 0x0A.
Reserved. This bit should be set to zero.
Bit 7
OSD Character Height Register:
CHARHTCTRL (0x8404)
CH[7:0]
Bits 7–0
This register determines the OSD character height as described in the section Constant Character Height
Mechanism. The values of this register is equal to the approximate number of OSD height compensated lines
required on the screen, divided by 4. This value is not exact due to the approximation used in scaling the character.
Example: If approximately 384 OSD lines are required on the screen (regardless of the number of scan lines) then
the Character Height Control Register is programmed with 81 (0x51).
Enhanced Feature Register 1:
Button Box Highlight Color
BBHLCTRLB1 (0x8406)
Reserved
X
X
BBHLCTRLB0 (0x8405)
Highlight - Red
R[2:0]
Highlight - Green
G[2:0]
Highlight - Blue
B[2:0]
X
X
X
X
X
Bits 8–0
Bits 15–9
These determine the button box highlight color.
Reserved. These bits should be set to zero.
Enhanced Feature Register 2:
Button Box Lowlight Color
BBLLCTRLB1 (0x8408)
Reserved
X
X
BBLLCTRLB0 (0x8407)
Lowlight - Red
R[2:0]
Lowlight - Green
G[2:0]
Lowlight - Blue
B[2:0]
X
X
X
X
X
Bits 8–0
Bits 15–9
These determine the button box lowlight color.
Reserved. These bits should be set to zero.
Enhanced Feature Register 3:
Heavy Button Box Lowlight/Shading/Shadow
L
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM1236AAA/NA | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:150 MHz I2C Compatible RGB Preamplifier with Internal 254 Character OSD ROM, 512 Character RAM and 4 DACs |
| LM1237 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:150 MHz I2C Compatible RGB Preamplifier with Internal 254 Character OSD and 4 DACs |
| LM1237_04 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:150 MHz I2C Compatible RGB Preamplifier with Internal 254 Character OSD and 4 DACs |
| LM1237AAF/NA | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:150 MHz I2C Compatible RGB Preamplifier with Internal 254 Character OSD and 4 DACs |
| LM1237BAAF/NA | 功能描述:IC PREAMP CMOS 150MHZ 24-DIP RoHS:是 類別:集成電路 (IC) >> 線性 - 視頻處理 系列:- 產(chǎn)品變化通告:Product Discontinuation 07/Mar/2011 標(biāo)準(zhǔn)包裝:3,000 系列:OMNITUNE™ 類型:調(diào)諧器 應(yīng)用:移動電話，手機(jī)，視頻顯示器 安裝類型:表面貼裝 封裝/外殼:65-WFBGA 供應(yīng)商設(shè)備封裝:PG-WFSGA-65 包裝:帶卷 (TR) 其它名稱:SP000365064 |
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