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参数资料
| 型号： | SAA7134HL |
| 厂商： | NXP Semiconductors N.V. |
| 元件分类： | 通用总线功能 |
| 英文描述： | PCI audio and video broadcast decoder |
| 文件页数： | 15/51页 |
| 文件大小： | 233K |
| 代理商： | SAA7134HL |
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SAA7134HL_4
Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Product data sheet
Rev. 04 — 31 March 2006
15 of 51
Philips Semiconductors
SAA7134HL
PCI audio and video broadcast decoder
Audio, video and transport streams are collected in a configurable FIFO with a total
capacity of 1 kB. The DMA controller monitors the FIFO filling degree and master-writes
the audio and video stream to the associated DMA channel. The virtual memory address
space (from OS) is translated into physical (bus) addresses by the on-chip hardware
Memory Management Unit (MMU).
The application of the SAA7134HL is supported by reference designs and a set of drivers
for the Windows operating system (Windows driver model compliant).
6.2 Application examples
The SAA7134HL enables PC TV capture applications both on the PC motherboard and
on PCI add-on TV capture cards.
Figure 5
and
Figure 6
illustrate some examples of
add-on card applications.
Figure 5
shows the basic application to capture video from analog TV sources. The
proposed tuner types incorporate the RF tuning function and the IF downconversion.
Usually the IF downconversion stage also includes a single channel and analog sound
FM demodulator. The Philips tuner FI1216MK2 is dedicated to the 50 Hz system
B/G standard as used in Europe. The FI1236MK2 is the comparable type for the 60 Hz
system M standard for the USA. Both types are suited for terrestrial broadcast and for
cable reception. The tuner provides composite video and baseband audio as mono or
‘multiplexed’ (mpx) in case of BTSC. These analog video and sound signals are fed to the
appropriate input pins of the SAA7134HL.
Further analog video input signals, CVBS and/or Y-C, can be connected via the board
back-panel, or the separate front connectors, e.g. from a camcorder. Accompanying
stereo audio signals can also be fed to the SAA7134HL.
Video is digitized and decoded to YUV. TV sound is digitized and decoded to stereo audio,
according to NICAM or dual FM standards. The digital streams are pumped via DMA into
the PCI memory space.
The SAA7134HL incorporates means for legacy analog audio signal routing. The on-chip
audio DACs convert the digital decoded stereo signal into analog audio. This analog audio
input signal is fed via an analog audio loop back cable into the line-in of a legacy sound
card. An external audio signal, that would have otherwise connected directly to the sound
card, is now routed through the SAA7134HL. This analog pass-through is enabled as
default by a system reset, i.e. without any driver involvement and before system setup.
During the power-up procedure, the SAA7134HL will investigate the on-board EEPROM
to load the board specific system vendor ID and board version ID into the related places of
the PCI configuration space. The board vendor can store other board specific data in the
EEPROM that is accessible via the I
2
C-bus.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SAA7134HL/V1,518 | 功能描述:视频 IC PCI 9-BIT VID/STEREO RoHS:否 制造商:Fairchild Semiconductor 工作电源电压:5 V 电源电流:80 mA 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-28 封装:Reel |
| SAA7134HL/V1,557 | 功能描述:视频 IC PCI 9-BIT VID/STEREO RoHS:否 制造商:Fairchild Semiconductor 工作电源电压:5 V 电源电流:80 mA 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-28 封装:Reel |
| SAA7134HLBE | 功能描述:视频 IC PCI 9-BIT VID/STEREO DECODER RoHS:否 制造商:Fairchild Semiconductor 工作电源电压:5 V 电源电流:80 mA 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-28 封装:Reel |
| SAA7134HLBE-T | 功能描述:视频 IC PCI 9-BIT VID/STEREO DECODER RoHS:否 制造商:Fairchild Semiconductor 工作电源电压:5 V 电源电流:80 mA 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-28 封装:Reel |
| SAA7135 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Single-chip, analog TV video/stereo DECODER |
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