DESCRIPTION

The M65669SP/FP is a PIP (Picture in Picture) signal processing LSI, whose sub-picture input is composite signal for NTSC, PAL-M, and PAL-N. The built-in field memory (144k-bit RAM) , V-chip data slicer and analog circuitries lead the high quality PIP system low cost and small size.

FEATURES

* Built-in 144k-bit field memory ( sub-picture data storage)

* Internal V-chip data slicer (for sub-picture)

* Vertical filter for sub-picture ( Y signal )

* Single sub-picture ( selectable picture size : 1/9 , 1/16 )

* Sub-picture processing specification ( 1/9 , 1/16 size) :

Quantization bits Y, B-Y, R-Y : 6 bits

Horizontal sampling 229 pixels ( Y ) , 57 pixels ( B-Y, R-Y )

Vertical lines 69/ 52 lines

* Frame ( sub-picture ) on/off

* Built-in analog circuits :

One 8-bit A/D converter ( for sub-picture signal)

Three 8-bit D/A converters ( for Y, U and V of sub-picture )

Sync-tip-clamp, VCXO ... etc..

* IIC BUS control ( parallel/serial control) :

PIP on/off , Frame on/off ( programmable luma level),

Sub-picture size ( 1/9, 1/16 ),

PIP position ( free position ), Picture freeze ,

Y delay adjustment, Chroma level, Tint, Black level,

Contrast ...etc..