部品番号
STV2236D
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STMicroelectronics
STV2236D データシート - STMicroelectronics
STMicroelectronics
INTRODUCTION
The STV223XD/224X are fully bus-controlled ICs for TV that include PIF, SIF, Luma, Chroma and Deflection processing functions. Used with a vertical frame booster (TDA8174A for a 90° chassis, STV9306 for a 110° chassis), they allow multistandard (BGDKIMNLL’, PAL/SECAM/NTSC) sets to be designed with very few external components and no manual adjustments.
◾ 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 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, 1 or 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 Capability in NTSC mode
◾ South America Capability (PAL-M / PAL-N /
NTSC)
◾ Chroma Subcarrier Output
◾ Black Stretch Circuit
◾ Peaking Circuit
◾ Automatic Cut-off Current Loop
◾ Manual Cut-off possible for low-cost
applications
◾ Two Horizontal Deflection PLLs
◾ Vertical Countdown
◾ Half Contrast
◾ APR (Automatic RGB Peak Regulation)
Function
◾ SAW Filter Switch Control (Optional)
◾ Very Few External Components
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