SAA5252 Description
SAA5252 The SAA5252 (LITOD) is a single-chip CMOS device, which will acquire, decode and display Line 21 Closed Captioning data from a 525-line posite video signal. Operation as an On-Screen Display (OSD) device is also possible. Normal and line progressive scan modes are supported.
SAA5252 Key Features
- plete ‘stand-alone’ Line 21 decoder in one package
- On-chip display RAM allowing full page Text mode
- Enhanced character display modes
- Full colour captions
- RGB interface for standard colour decoder ICs
- Automatic handling of Field 2 data
- Onboard OSD facility using Character generator
- RGB inputs to support existing OSD ICs
- I2C-bus or ‘stand-alone’ pin control
- Automatic data-ready signal generation on data acquisition