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參數(shù)資料
| 型號： | L64013A1 |
| 廠商： | LSI CORP |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP100 |
| 封裝： | PLASTIC, QFP-100 |
| 文件頁數(shù)： | 11/16頁 |
| 文件大?。?/td> | 273K |
| 代理商： | L64013A1 |
4
L64013 VIP Bridge
VIP Host Interface and L64013 Channel Interface
The L64020 Channel Interface accesses FIFOs in the
VIP domain. These FIFOs are accessed using standard
VIP FIFO command protocol.
Content Scrambling System (CSS) Unit
The CSS Unit provides authentication and descrambling
functions. The CSS Unit can be bypassed for
nonscrambled streams.
HSYNC/VSYNC Generator
The HSYNC/VSYNC generator provides the horizontal
and vertical synchronization pulses to the L64020 video
interface.
Video Color Controller
The Video Color Controller (VCC) detects chroma values
from the incoming video stream, processes the values
according to the programmed settings of the L64013’s
internal registers, and reinserts the new chroma values in
the outgoing video data stream.
VIP Host Interface
The VIP Host interface block provides the L64013 with an
interface to the VIP bus. The VIP bus connects the
L64013 to a local graphics subsystem.
Local Registers and Decoder
The local registers reside in the L64013 and provide
control over a variety of hardware functions.
Programmable I/O Interface
The programmable input/output interface provides seven
programmable I/O control hardware functions.
Pulse Width Modulator (PWM)
The system uses an external voltage-controlled (VCX)
oscillator to generate a nominal 27-MHz video clock. To
eliminate variance and drift, the PWM outputs a variable
voltage signal to control the VCX oscillator.
Audio Clock Control
The L64013 can control an external programmable clock
generator to select the appropriate audio clock frequency.
L64013VIP Page 4 Friday, May 29, 1998 8:29 AM
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