Overview
The LC7458B-04 is a closed-caption system (CCS) decoder and OSD display IC that conforms to the most recent American FCC standard issued on April 12, 1991. Together with an LA7945N Front End IC it forms a complete 2-chip system.

FEATUREs
• FCC Standard Conforming signal Demodulation.
   - Caption optional line display (new function).
   - Color character display.
   - Lower-case character display.
   - Underline display.
   - Flashing
   - Italic display.
   - Channel 1/Channel 2 mode switching and display.
   - Field 1/Field 2 mode switching and display.
   - Caption/Text mode switching and display.
• Control System
   - Serial/Parallel signal mode switching.
   - 5 parallel inputs or serial mode (PWM) interface selectable.
• Miscellaneous
   - Supports 16 characters from the EIA-608 Optional Extended Character set.
   - Automatic display ON/OFF.
   - On-Screen Display positioning input pins.
   - 5V supply voltage.