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LC72720

Sanyo Semicon Device
Part Number LC72720
Manufacturer Sanyo Semicon Device
Description Single-Chip RDS Signal-Processing System LSI
Published Mar 22, 2005
Detailed Description Ordering number : EN *5602 CMOS LSI LC72720, 72720M Single-Chip RDS Signal-Processing System LSI Preliminary Overview ...
Datasheet PDF File LC72720 PDF File

LC72720
LC72720

Overview
Ordering number : EN *5602 CMOS LSI LC72720, 72720M Single-Chip RDS Signal-Processing System LSI Preliminary Overview The LC72720 and LC72720M are single-chip system LSIs that implement the signal processing required by the European Broadcasting Union RDS (Radio Data System) standard and by the US NRSC (National Radio System Committee) RDBS (Radio Broadcast Data System) standard.
These LSIs include band-pass filter, demodulator, synchronization, and error correction circuits as well as data buffer RAM on chip and perform effective error correction using a soft-decision error correction technique.
Package Dimensions unit: mm 3067-DIP24S [LC72720] Functions • Band-pass filter: Switched capacitor filter (SCF) • Demodulator: RDS data clock regeneration and demodulated data reliability information • Synchronization: Block synchronization detection (with variable backward and forward protection conditions) • Error correction: Soft-decision/hard-decision error correction • Buffer RAM: Adequate for 24 blocks of data (about 500 ms) and flag memory • Data I/O: CCB interface (power on reset) SANYO: DIP24S unit: mm 3045B-MFP24 [LC72720M] Features • Error correction capability improved by soft-decision error correction • The load on the control microprocessor can be reduced by storing decoded data in the on-chip data buffer RAM.
• Two synchronization detection circuits provide continuous and stable detection of the synchronization timing.
• Data can be read out starting with the backwardprotection block data after a synchronization reset.
• Fully adjustment free • Operating power-supply voltage: 4.
5 to 5.
5 V • Operating temperature: –40 to +85°C • Package: DIP24S, MFP24 • CCB is a trademark of SANYO ELECTRIC CO.
, LTD.
• CCB is SANYO’s original bus format and all the bus addresses are controlled by SANYO.
SANYO: MFP24 SANYO Electric Co.
,Ltd.
Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg.
, 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN N2897HA (OT) No.
5...


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