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HMP8156EVAL1 Datasheet

  • HMP8156EVAL1

  • NTSC/PAL Encoders

  • 34頁(yè)

  • INTERSIL   INTERSIL

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HMP8154, HMP8156A
Data Sheet
October 1998
File Number 4343.3
NTSC/PAL Encoders
The HMP8154 and HMP8156A NTSC and PAL encoders
are 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 6MHz 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 analog component RGB and
the European SCART connector.
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. Any unused DACs may be powered down
to reduce power consumption.
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 BT.656
鈥?Overlay Mixing
- 7 Colors
- Internal, External, or Hard Mixing Control
鈥?Analog Output Formats
- Y/C + Two Composite
- RGB + Composite (SCART)
鈥?Flexible Video Timing Control
- Timing Master or Slave
- Programmable Input Sync Timing
- 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?Three Line Vertical Flicker Filter
(HMP8154 only)
鈥?Four 2x Oversampling, 10-Bit DACs with Power Down
鈥?I
2
C Interface
鈥?Verilog Models Available
Ordering Information
PART NUMBER
HMP8154CN
HMP8156ACN
HMP8154EVAL1
HMP8156EVAL1
HMP8156EVAL2
TEMP.
RANGE (
o
C)
0 to 70
0 to 70
PACKAGE
64 Ld PQFP
64 Ld PQFP
PKG. NO.
Q64.14x14
Q64.14x14
Daughter/Stand-Alone Card Evaluation
Platform (Note)
Frame Grabber Evaluation Platform (Note)
NOTE: Described in the Applications Section
Applications
鈥?Multimedia PCs
鈥?Video Conferencing
鈥?Video Editing
鈥?Related Products
- NTSC/PAL Encoders:
HMP8170-HMP8173
- HMP8190/91
- NTSC/PAL Decoders:
HMP8112A, HMP8115, HMP8116, HMP8130/31
1
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

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