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參數(shù)資料
| 型號： | L64015 |
| 廠商： | LSI CORP |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP144 |
| 封裝： | PLASTIC, QFP-144 |
| 文件頁數(shù)： | 15/20頁 |
| 文件大小： | 197K |
| 代理商： | L64015 |
4
L64015 VMI Bridge
VMI Host Interface
Through this interface, the VMI host can access the L64015 direct and
indexed registers, the L64020 DVD Decoder registers, and the Serial
EEPROM. The L64015 registers control system capabilities such as
DMA, interrupts, reset, wait, and port enabling.
L64020 DVD Decoder Interface and Control Logic
The DVD Decoder Interface and Control Logic provides access to the
DVD Decoder’s indexed registers and data ports. The interface and
control functions handle register addressing, port enabling, reset, wait,
and interrupt control. The control logic generates the required HREF and
VREF signals for the DVD Decoder. The interrupt control logic receives
interrupt requests from the DVD Decoder and relays them to the Host.
Gamma Correction Look-up Table
The 256 x 8 SRAM contains gamma correction information, which is
arranged as a look-up table. When gamma correction look-up is enabled,
the incoming 8-bit pixel data from the DVD Decoder is used as the
address for the correct SRAM location. Each 8-bit SRAM location
contains gamma corrected video luminance information. The L64015
accesses the information in the look-up table, and sends this information
to the Host in place of the luminance video data that originated from the
L64020.
Serial EEPROM Control Interface
The L64015 uses the I2C two-wire interface to read four bytes of data
from a Serial EEPROM. The EEPROM contains CIS data. The host can
read or write the data serially and read data in parallel bytes through the
L64015.
Video Port Interface
The L64015 video logic outputs a horizontal sync, vertical sync, and a
pixel clock. The pixel data output is in eight-bit format and is compliant
with the YUV byte ordering specication.
The audio logic also converts digital audio from the DVD Decoder into
I2S data in stereo format. The L64020 DVD Decoder supplies audio data
that is delta-sigma modulated with a wide selection of oversampling
rates.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| L64020XDC | SPECIALTY CONSUMER CIRCUIT, CBGA208 |
| L64020XQC | SPECIALTY CONSUMER CIRCUIT, PQFP160 |
| L64020XBC | SPECIALTY CONSUMER CIRCUIT, PQFP176 |
| L64021HG | SPECIALTY CONSUMER CIRCUIT, PBGA208 |
| L64021MS | SPECIALTY CONSUMER CIRCUIT, PQFP176 |
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