LC74201E Overview
Ordering number :EN 5684 CMOS LSI LC74201E Video CD Decoder Preliminary Overview The LC74201E is a CMOS LSI that reduces the signal processing functions required of a video CD decoder to a single chip. All that it takes to make a version 1 or version 2 video CD player is the addition of a CD digital signal processor, DRAM, an audio D/A converter, digital video encoder, and similar ponents. mm 3182-QFP-128E...
LC74201E Key Features
- Incorporation of virtually almost all the functionality required by a video CD player from the CD-ROM decoder through to
- Fully automatic playback with automatic decoding within the LSI in response to simple external mands and the MPEG bit st
- Special playback functions are activated by mand inputs, and do not require signal processing by the host microputer
- Support for a Track 1 DRAM user area (i.e., sector buffer) of up to 8 k bytes (4 M bits of external DRAM) or 22 k bytes
- Automatic synchronization of audio and video
- Built-in high-speed decoder core that supports variablespeed video playback at up to quadruple speed. Audio support for
- Internal registers that offer configuration settings for connecting to most mercially available CD digital signal proces
- patible with version 2 of the video CD standard. Support for superimposition of closed caption data on the output signal
- Support for Photo CD standard. (Base/4 and Base/16)
- System power supply (connect to ground) DVDD1