LC7874E Datasheet (Sanyo Semicon Device)

LC7874E, CD Graphics Decorder

Ordering number : EN5521 CMOS LSI LC7874E CD Graphics Decorder Overview The LC7874E is a CMOS LSI that provides the signal processing needed for compact disc graphics (CD-G) on a single chip.

The LC7874E accepts subcode R to W signals output from a CD player DSP LC786X Series, LC7862XE Series, or LC7863XE Series device, and performs de-interleaving, error detection and correction, graphic instruction processing, and image processing.

Has microcomputer interface functions, allowing

LC7874E Features

* A CD-G decoder can be configured using a three-chip combination of this LSI

* the LC7874E

* with external RAM (64K × 4 bits) and an LC78010E digital RGB encoder.

* Performs insertion and protection of CD subcode R to W sync signals and detection of R to W signal deinter