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Intersil Corporation - NTSC/PAL Encoders

Numéro de référence HMP8154
Description NTSC/PAL Encoders
Fabricant Intersil Corporation 
Logo Intersil Corporation 





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HMP8154 fiche technique
Data Sheet
HMP8154, HMP8156A
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 filtered to 6MHz and drives
the Y analog output. Cb and Cr are each lowpass filtered 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) lines, and
run at a 2x oversampling rate to simplify the analog output
filter requirements. Any unused DACs may be powered down
to reduce power consumption.
Ordering Information
TEMP.
PART NUMBER RANGE (oC) PACKAGE
PKG. NO.
HMP8154CN
0 to 70 64 Ld PQFP Q64.14x14
HMP8156ACN
0 to 70 64 Ld PQFP Q64.14x14
HMP8154EVAL1 Daughter/Stand-Alone Card Evaluation
HMP8156EVAL1 Platform (Note)
HMP8156EVAL2 Frame Grabber Evaluation Platform (Note)
NOTE: Described in the Applications Section
Features
• (M) NTSC and (B, D, G, H, I, M, N, CN) PAL Operation
• ITU-R BT.601 and Square Pixel Operation
• 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
• Overlay Mixing
- 7 Colors
- Internal, External, or Hard Mixing Control
• Analog Output Formats
- Y/C + Two Composite
- RGB + Composite (SCART)
• Flexible Video Timing Control
- Timing Master or Slave
- Programmable Input Sync Timing
- Selectable Polarity on Each Control Signal
- Programmable Blank Output Timing
- Field Output
• Closed Caption Encoding for NTSC and PAL
• 2x Upscaling of SIF Video
• Three Line Vertical Flicker Filter
(HMP8154 only)
• Four 2x Oversampling, 10-Bit DACs with Power Down
• I2C Interface
• Verilog Models Available
Applications
• Multimedia PCs
• Video Conferencing
• Video Editing
• 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 © Intersil Corporation 1999

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