• Part: LM1270
  • Description: Hi-Brite 200 MHz I2C Compatible RGB Image Enhancer
  • Manufacturer: National Semiconductor
  • Size: 1.25 MB
LM1270 Datasheet (PDF) Download
National Semiconductor
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