LM1270
Description
The LM1270 is a supplementary IC to the low cost chipset (LCCS). It modifies the video stream prior to the LCCS preamplifier.
Key Features
- Programmable clamp generator
- Programmable blank generator
- Video detection controlled by I2C compatible bus, allowing easy and accurate Hi-Brite window calibration
- Programmable window Hi-Brite function
- Programmable image sharpness control (TV emphasis), adjustable for different line rates
- Measures video position with respect to the horizontal flyback and vertical sync pulses, providing necessary information for auto-sizing
- Emphasis done either inside or outside the window