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參數(shù)資料
| 型號： | TLC34076-110 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Color-Palette(110MHz,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（110MHz的，與TLC34075兼容，另具24位和16位真彩色模式） |
| 文件頁數(shù)： | 7/56頁 |
| 文件大?。?/td> | 419K |
| 代理商： | TLC34076-110 |
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1-1
1 Introduction
The TLC34076 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
TLC34076 is software-compatible with the IMSG176/8 and Brooktree BT476/8 color palettes.
The TLC34076 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 TLC34076 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 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 TLC34076 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 TLC34076 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
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TLC34076-85 | Color-Palette(85MHz,與TLC34075兼容，另具24位和16位真彩色模式) |
| TLC34076-170 | Color-Palette(170MHz,與TLC34075兼容，另具24位和16位真彩色模式) |
| TLC34076M-135 | Color-Palette(135MHz,與TLC34075兼容，另具24位和16位真彩色模式) |
| TLC4501(中文) | Self-Calibrating Dual Operational Amplifier(先進(jìn)LINEPIC，自校準(zhǔn)精密運放) |
| TLC4502(中文) | Self-Calibrating Operational Amplifier(先進(jìn)LINEPIC，雙組自校準(zhǔn)精密運放) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TLC34076-135FN | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| TLC34076-85FN | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| TLC34077 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Video Interface Palette Data Manual |
| 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 |
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