SAA7186

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...