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LC74201E Datasheet(PDF) 1 Page - Sanyo Semicon Device |
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LC74201E Datasheet(HTML) 1 Page - Sanyo Semicon Device |
1 / 21 page Ordering number :EN *5684 22897HA (OT) No. 5684-1/21 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 components. Features • Incorporation of virtually almost all the functionality required by a video CD player from the CD-ROM decoder through to the MPEG audio and video decoders in a single chip • Fully automatic playback with automatic decoding within the LSI in response to simple external commands and the MPEG bit stream • Special playback functions are activated by command inputs, and do not require signal processing by the host microcomputer • Support for two external DRAM configurations: 4 M bits (256k × 16 bits) or 4 M bits (256k × 16 bits) + 1 M bit (64k × 16 bits) • 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 (5 M bits of external DRAM) • Automatic synchronization of audio and video • Built-in high-speed decoder core that supports variable- speed video playback at up to quadruple speed. Audio support for normal and double-speed playback. • Internal registers that offer configuration settings for connecting to most commercially available CD digital signal processors and D/A converters • Compatible with version 2 of the video CD standard. Support for superimposition of closed caption data on the output signal as specified in the EIA608 standard • Support for Photo CD standard. (Base/4 and Base/16) Package Dimensions unit: mm 3182-QFP-128E Preliminary SANYO: QIP-128E [LC74201E] LC74201E SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN Video CD Decoder CMOS LSI |
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