LC7442 Description
EN4412A CMOS IC LC7442, 7442E PIP Controller Overview The LC7442 and LC7442E are memory controller for PIP (picture-in-picture) systems for TV sets and VCRs. Since this IC includes 3 built-in D/A converter circuits on chip, a ponent-type PIP system can be constructed by bining this product with memory and an A/D converter such as the LC7480.
LC7442 Key Features
- Horizontal resolution: 600 TV lines-1
- Three built-in D/A converter provided on-chip in the
- High image quality display provided by vertical filter
- Built-in even/odd field determination circuit
- Built-in PLL circuit (requires external LPF)
- Handles NTSC/PAL, TV/VCR, and multi-mode systems
- Sub-screen specifications
- Display modes: 2-screen, 3-screen, and 4-screen-2
- Display on/off and frame on/off/color switching, wipe function
- Supports switching between fixed (4 corners) and arbitrary (8-bit specification of vertical and horizontal position) dis