This part is a kind of semiconductor called STV2248H.

Function of this product has (STV22xxH) BUS-CONTROLLED MULTISTANDARD SINGLE CHIP TV PROCESSOR.

Manufacturers : STMicroelectronics

Image and pinout :

Some of the text within the PDF file :

STV224XH/228XH/223XH I²C BUS-CONTROLLED MULTISTANDARD SINGLE CHIP TV PROCESSOR I²C Bus Control PIF Circuit with PLL Demodulation (Positive and Negative Video) ■ SIF Circuit with QSS Structure, FM Demodulation and AM Demodulation for France ■ Intercarrier Capability ■ Built-in Sound Bandpass ■ Sound Subcarrier Output for Stereo Chassis (FM, NICAM) ■ Audio FM wide mode ■ Audio Switch and Volume Control (Mono Chassis) ■ AVL (Automatic Volume Levelling) ■ Integrated Chroma Filters and Luma Delay Line ■ Integrated Chroma Delay Line ■ Video Switch (3 CVBS In, 2 CVBS Out) ■ SVHS Switch (Y Combined with CVBS3 Input) ■ OSD RGB Inputs ■ External RGB/YCrCb Inputs or YUV Interface ■ PAL / SECAM / NTSC Chroma Demodulators ■ Auto Flesh Control Capabili [ ... ]

STV2248H PDF Datasheet Download