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SM5907AF

Part Number	SM5907AF
Manufacturer	Nippon Precision Circuits Inc
Description	compression and non compression type shock-proof memory controller
Published	Apr 7, 2005
Detailed Description	SM5907AF NIPPON PRECISION CIRCUITS INC. compression and non compression type shock-proof memory controller Overview Th...
Datasheet	SM5907AF PDF File

Overview

SM5907AF NIPPON PRECISION CIRCUITS INC.
compression and non compression type shock-proof memory controller Overview The SM5907AF is a compression and non compression type shock-proof memory controller LSI for compact disc players.
The compression level can be set in 4 levels, and external memory can be selected from 4 options (4M, 4M× 2, 16M, 16M× 2).
It operates from a 2.
4 to 3.
6 V supply voltage range.
Features - 2-channel processing - Serial data input ⋅ 2s complement, 16-bit/MSB first, right-justified format ⋅ Wide capture function (up to 3 × speed input rate) - System clock input ⋅ 384fs (16.
9344 MHz) - Shock-proof memory controller ⋅ ADPCM compression method 4-bit compression mode 2.
78 s/Mbit 5-bit compression mode 2.
22 s/Mbit 6-bit compression mode 1.
85 s/Mbit Full-bit non compression mode 0.
74 s/Mbit ⋅ 4 external DRAM configurations selectable 1 or 2 × 16M DRAM (4M × 4 bits, refresh cycle = 2048 cycle) 1 or 2 × 4M DRAM (1M × 4 bits) lim 44-pin QFP ⋅ 4-level compression m...

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SM5907AF compression and non compression type shock-proof memory controller - Nippon Precision Circuits Inc

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