GENERAL DESCRIPTION
The SAA7187 encodes digital YUV video data to an NTSC, PAL CVBS or S-Video signal. The circuit accepts differently formatted YUV data with 640 or 768 active pixels per line. It includes a sync/clock
generator and on-chip Digital-to-Analog Converters (DACs).

FEATURES
• CMOS 5 V device
• Digital PAL/NTSC encoder
• System pixel frequency selectable for 12.27 MHz (60 Hz fields) or 14.75 MHz (50 Hz fields)
• 24-bit wide YUV input port or
• 16-bit wide YUV input port or
• Input data format Cb, Y, Cr, etc. (CCIR 656)
• I2C-bus control port
• MPU parallel control port
• Encoder can be master or slave
• Programmable horizontal and vertical input synchronization phase
• Programmable horizontal sync output phase
• OSD overlay with Look-Up Tables (LUTs) 8×3 bytes
• Line 21 Closed Caption encoder
• Cross-colour reduction
• DACs operating at twice oversampling with 10-bit resolution
• Controlled rise/fall times of output syncs and blanking
• Down-mode of DACs
• CVBS and S-Video output simultaneously
• PLCC68 package.