Datasheet > BT815A

BT815A

更新时间： 2024-09-15 21:55:39

品牌	Logo	应用领域
其他 - ETC		解码器
页数	文件大小	规格书
110页	651K
描述
VideoStream Decoders

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数据手册

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BT815A 数据手册

Bt819A/817A/815A

VideoStream™ Decoders

Distinguishing Features

Bt819A – Video Capture Processor for

TV/VCR Analog Input

•

Single-Chip Composite/S-Video

NTSC/PAL to YCrCb Digitizer

On-Chip Ultralock^TM

Square Pixel and CCIR601 Resolu-

tion for NTSC and PAL

•

Bt817A – Composite Video and S-Video Decoder

Bt815A – Composite Video Decoder

•

Chroma Comb Filtering

Arbitrary Horizontal Scaling and

Vertical Scaling (using line store)

Arbitrary Temporal Decimation

for a Reduced Frame-Rate Video

Sequence

The Bt819A, Bt817A and Bt815A VideoStream Decoders are a family of single-

chip, pin and register compatible, composite NTSC/PAL video and S-video

decoders. Low operating power consumption and power down capability make

them ideal low-cost solutions for PC video capture applications on both desktop

and portable system platforms. They support square pixel and CCIR601 resolu-

tions for both NTSC and PAL. They have a ﬂexible pixel port which supports a

variety of system interface conﬁgurations, and they are offered in both a 100-pin

PQFP and 100-pin TQFP.

•

Programmable Hue, Brightness,

Saturation, and Contrast

User-Programmable Cropping of

the Video Window

2x Oversampling to Simplify

External Analog Filtering

Two-Wire I²C Bus Interface

On-Chip 40-Pixel-Deep

•

Functional Block Diagram

Asynchronous Output FIFO

8- or 16-Bit Pixel Interface

YCrCb (4:2:2) Output Format

Software Selectable Three-Input

Analog Mux

Auto NTSC/PAL Format Detect

Automatic Gain Control

XT0

XT1

•

MUX0

MUX1

ANALOG

MUX

I²C

JTAG

ULTRALOCK^TM

AND

MUX2

VIDEO

TIMING

•

MUXOUT

CLOCK

GENERATION

VIDEO

TIMING

UNIT

SYNCDET

REFOUT

AGC

IEEE 1149.1 (JTAG) Interface

100-Pin PQFP and TQFP Packages

OUTPUT

CONTROL

YREF+

YIN

40 MHZ

ADC

LUMA-CHROMA

SEPARATION

SPATIAL AND

TEMPORAL

SCALING

YREF–

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