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| 型號(hào)： | BT849A |
| 英文描述： | Single-Chip Video Capture for PCI |
| 中文描述： | 單芯片的PCI視頻捕捉 |
| 文件頁(yè)數(shù)： | 1/141頁(yè) |
| 文件大?。?/td> | 1149K |
| 代理商： | BT849A |
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Brooktree
Brooktree Division Rockwell Semiconductor Systems, Inc. 9868 Scranton Road San Diego, CA 92121-3707
619-452-7580 1-800-2-BT-APPS FAX: 619-452-1249 Internet: apps@brooktree.com L848A_A
Distinguishing Features
Fully PCI Rev. 2.1 compliant
Auxiliary GPIO data port and video data
port
Supports image resolutions up to
768x576 (full PAL resolution)
Supports complex clipping of video
source
Zero wait state PCI burst writes
Field/frame masking support to throttle
bandwidth to target
Multiple YCrCb and RGB pixel
formats supported on output
Supports NTSC/SECAM/PAL analog
input
Image size scalable down to icon using
vertical & horizontal interpolation
filtering
Multiple composite and S-video inputs
Supports different destinations for even
and odd fields
Supports different color space/scaling
factors for even and odd fields
Support for mapping of video to 225
color palette
VBI data capture for closed captioning,
teletext and intercast data decoding
Additional Features
in Bt848A/849A Only
Supports peaking
Requires only one crystal
Digital camera support through GPIO
port
Support for WST decode (Bt849A only)
Applications
PC TV
Intercast receiver
Desktop video phone
Motion video capture
Still frame capture
Teletext/Intertext
VBI data services capture
Bt848 is a complete, low cost single-chip solution for analog
NTSC/PAL/SECAM video capture on the PCI bus. As a bus master, Bt848 does
not require any local memory buffers to store video pixel data which signifi-
cantly minimizes the hardware cost for this architecture. Bt848 takes advantage
of the PCI-based system’s high bandwidth and inherent multimedia capability. It
is designed to be interoperable with any other PCI multimedia device at the
component or board level, thus enabling video capture and overlay capability to
be added to PCI systems in a modular fashion at low cost. The Bt848 solution is
independent of the PCI system bus topology and may be used in a variety of sys-
tem bus organizations: directly on a motherboard planar bus, on a card for a pla-
nar or secondary bus.
The Bt848A/849A are fully backward compatible enhancements to the
Bt848. The Bt848A and 849A both include all the functionality of the Bt848,
while adding support for peaking, single crystal operation, and digital camera
support.
Functional Block Diagram
Advance Information
This document contains information on a product under development.
The parametric information contains target parameters that are subject to change.
Analog
Mux
AGC
40 MHz
ADC
40 MHz
ADC
D
Ultralock
and
Clock Generation
Video Timing
Unit
IIC
JTAG
Pixel Format
Conversion
630 Byte FIFO
Digital Camera
Input (Bt848A/849A)
and GPIO Port
Target
Initiator
PCI I/F
MUXIN
MUXOUT
SYNCDET
REFOUT
YIN
CIN
XTAL
Luma-Chroma
Separation
and
Chroma Demod
Single-Chip Video Capture for PCI
Bt848/848A/849A
Horizontal, Vertical
and Temporal
Scaling
DMA Controller
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| BT849AKPF | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Single-Chip Video Capture for PCI |
| BT850-SA | 功能描述:BTV4.2 DUAL MODE USB HCI MODULE 制造商:laird - wireless & thermal systems 系列:* 零件狀態(tài):在售 標(biāo)準(zhǔn)包裝:1 |
| BT850-SA-T/R | 功能描述:BTV4.2 DUAL MODE USB HCI MODULE 制造商:laird - wireless & thermal systems 系列:* 零件狀態(tài):在售 標(biāo)準(zhǔn)包裝:2,500 |
| BT850-ST | 功能描述:BTV4.2 DUAL MODE USB HCI MODULE 制造商:laird - wireless & thermal systems 系列:* 零件狀態(tài):在售 標(biāo)準(zhǔn)包裝:1 |
| BT850-ST-T/R | 功能描述:BTV4.2 DUAL MODE USB HCI MODULEE 制造商:laird - wireless & thermal systems 系列:* 零件狀態(tài):在售 標(biāo)準(zhǔn)包裝:2,500 |
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