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HMP8156CN Datasheet

  • HMP8156CN

  • NTSC/PAL Encoder

  • 33頁(yè)

  • INTERSIL   INTERSIL

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HMP8156
August 1997
NTSC/PAL Encoder
Description
The HMP8156 NTSC and PAL encoder is designed for use
in systems requiring the generation of high-quality NTSC
and PAL video from digital image data.
YCbCr or RGB digital video data drive the P0-P23 inputs.
Overlay inputs are processed and the data is 2x upsampled.
The Y data is optionally lowpass 鏗乴tered to 5MHz and drives
the Y analog output. Cb and Cr are each lowpass 鏗乴tered to
1.3MHz, quadrature modulated, and summed. The result
drives the C analog output. The digital Y and C data are also
added together and drive the two composite analog outputs.
The YCbCr data may also be converted to RGB data to drive
the DACs, allowing support for the European SCART con-
nector.
The DACs can drive doubly-terminated (37.5鈩? lines, and
run at a 2x oversampling rate to simplify the analog output
鏗乴ter requirements.
Features
鈥?(M) NTSC and (B, D, G, H, I, M, N, CN) PAL Operation
鈥?ITU-R BT.601 and Square Pixel Operation
鈥?Digital Input Formats
- 4:2:2 YCbCr
- 8-Bit or 16-Bit
- 4:4:4 RGB
- 16-Bit (5, 6, 5) or 24-Bit (8, 8, 8)
- Linear or Gamma-Corrected
- 8-Bit Parallel ITU-R BT.656
- Seven Overlay Colors
鈥?Analog Output Formats
- Y/C + Two Composite
- RGB + Composite (SCART)
鈥?Flexible Video Timing Control
- Timing Master or Slave
- Selectable Polarity on Each Control Signal
- Programmable Blank Output Timing
- Field Output
鈥?Closed Caption Encoding for NTSC and PAL
鈥?2x Upscaling of SIF Video
鈥?Four 2x Oversampling, 10-Bit DACs
鈥?I
2
C Interface
鈥?Verilog Models Available . . . . . . . . . . . . . . . . . . . . . . . . .
Table of Contents
Page
Functional Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . 2
Functional Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pixel Data Input Formats . . . . . . . . . . . . . . . . . . . . . . . . . 3
Input Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pixel Input and Control Signal Timing. . . . . . . . . . . . . . . . 5
Video Timing Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Video Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Analog Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Host Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Applications Information . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Evaluation Kits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Applications
鈥?Multimedia PCs
鈥?Video Conferencing
鈥?Video Editing
鈥?Related Products
- NTSC/PAL Encoders: HMP8154
- NTSC/PAL Decoders: HMP8112A, HMP8115
Ordering Information
PART NUMBER
HMP8156CN
HMP8156EVAL1
HMP8156EVAL2
TEMP.
RANGE (
o
C)
0 to 70
PACKAGE
64 PQFP
PKG. NO.
Q64.14x14
Daughter Card Evaluation Platform (Note)
Frame Grabber Evaluation Platform (Note)
NOTE: Described in the Applications Section
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
http://www.intersil.com or 407-727-9207
|
Copyright
漏
Intersil Corporation 1999
File Number
4269.3
1

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