Digital video scaler
INTEGRATED CIRCUITS
DATA SHEET
SAA7186 Digital video scaler
Preliminary specification File under Integrated Circuits, I...
Description
INTEGRATED CIRCUITS
DATA SHEET
SAA7186 Digital video scaler
Preliminary specification File under Integrated Circuits, IC22 May 1993
Philips Semiconductors
Preliminary specification
Digital video scaler
CONTENTS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 FEATURES GENERAL DESCRIPTION QUICK REFERENCE DATA ORDERING INFORMATION BLOCK DIAGRAM PINNING FUNCTIONAL DESCRIPTION OPERATION CYCLE I2C-BUS FORMAT LIMITING VALUES DC CHARACTERISTICS AC CHARACTERISTICS PROCESSING DELAYS PROGRAMMING EXAMPLE PACKAGE OUTLINE SOLDERING DEFINITIONS LIFE SUPPORT APPLICATIONS PURCHASE OF PHILIPS I2C COMPONENTS
SAA7186
May 1993
2
Philips Semiconductors
Preliminary specification
Digital video scaler
1 FEATURES 2 GENERAL DESCRIPTION
SAA7186
Scaling of video picture windows down to randomly sized windows Processes maximum 1023 pixels per line and 1023 lines per field Two-dimensional data processing for improved signal quality of scaled video data and for compression of video data 16-bit YUV input data buffer Interlace/non-interlace video data processing and field control Line memories in Y path and UV path to store two lines, each with 2 × 768 × 8 bit capacity Vertical sync processing by scale control Non-scaled mode to get full picture or to gate videotext lines UV input and output data binary/two’s complement Switchable RGB matrix and anti-gamma ROMs 16-word FIFO register for 32-bit output data Output formats: 5-bit and 8-bit RGB, 8-bit YUV or 8-bit monochrome
The...
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