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參數(shù)資料
| 型號： | TLC34076M-135 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Color-Palette(135MHz,與TLC34075兼容，另具24位和16位真彩色模式) |
| 中文描述： | 顏色調(diào)色板（135MHz，與TLC34075兼容，另具24位和16位真彩色模式） |
| 文件頁數(shù)： | 9/57頁 |
| 文件大?。?/td> | 456K |
| 代理商： | TLC34076M-135 |
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1–1
1 Introduction
The TLC34076M Video Interface Palette (VIP) is designed to provide lower system cost with a higher level
of integration by incorporating all the high-speed timing, synchronizing, and multiplexing logic usually
associated with graphics systems into one device, thus greatly reducing chip count. Since all high-speed
signals (excluding the clock source) are contained on-chip, RF noise considerations are simplified.
Maximum flexibility is provided through the pixel multiplexing scheme, which allows for 32-, 16-, 8-, and 4-bit
pixel buses to be accommodated without any circuit modification. This enables the system to be easily
reconfigured for varying amounts of available video RAM. Data can be split into 1, 2, 4, or 8 bit planes. The
TLC34076M is software-compatible with the IMSG176/8 and Brooktree Bt476/8 color palettes.
The TLC34076M VIP is pin-for-pin compatible with the TLC34075 VIP but contains additional 24- and 16-bit
true-color modes as well as the ability to select little- or big-endian data formats for the pixel bus frame buffer
interface.
The TLC34076M features a separate VGA bus that allows data from the feature connector of most
VGA-supported personal computers to be fed directly into the palette without the need for external data
multiplexing. This allows a replacement graphics board to remain downward compatible by utilizing the
existing graphics circuitry often located on the motherboard.
The 24- and 16-bit true-color modes that are provided allow bits of color information to be transferred directly
from the pixel port to the digital-to-analog converters (DACs). Depending on which true-color mode is
selected, an overlay function is provided using the remaining bits of the pixel bus. The 24-bit modes allow
overlay with the eight remaining bits of the pixel bus, while the TARGA (5-5-5) 16-bit mode allows overlay
with the one remaining bit of the divided pixel bus.
The TLC34076M has a 256-by-24 color lookup table with triple 8-bit video D/A converters capable of directly
driving a doubly terminated 75-
line. Sync generation is incorporated on the green output channel. HSYNC
and VSYNC are fed through the device and optionally inverted to indicate screen resolution to the monitor.
A palette-page register provides the additional bits of palette address when 1, 2, or 4 bit planes are used.
This allows the screen colors to be changed with only one MPU write cycle.
Clocking is provided through one of four or five inputs (3 TTL- and either 1 ECL- or 2 TTL-compatible) and
is software selectable. The video and shift clock outputs provide a software-selected divide ratio of the
chosen clock input.
The TLC34076M can be connected directly to the serial port of VRAM devices, eliminating the need for any
discrete logic. Support for split shift-register transfers is also provided.
1.1
Features
Versatile multiplexing interface allows lower pixel bus rate
High level of integration to provide lower system cost and complexity
Direct VGA pass-through capability
Versatile pixel bus interface supports little- and big-endian data formats
True-color (direct-addressing) modes support various 24- and 16-bit formats
5-6-5 XGA format compatible
5-5-5 TARGA format compatible
Directly interfaces to TMS34010/TMS34020 and other graphics processors
Triple 8-bit D/A converters
85-, 110-, and 135-MHz versions
256-word color-palette RAM
Palette-page register
On-chip voltage reference
RS-343A-compatible outputs
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相關(guān)代理商/技術(shù)參數(shù) |
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| TLC34077135FN | 制造商:TI 功能描述:* |
| TLC352 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:LinCMOSE DUAL DIFFERENTIAL COMPARATOR |
| TLC352CD | 功能描述:校驗器 IC Dual Differential RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補(bǔ)償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| TLC352CDG4 | 功能描述:校驗器 IC Dual Low Vltg LinCMOS Differential RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補(bǔ)償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
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