SM5904BF - compression and non compression type shock-proof memory controller

Nippon Precision Circuits Inc

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Datasheet Details

Part number	SM5904BF
Manufacturer	Nippon Precision Circuits Inc
File Size	266.00 KB
Description	compression and non compression type shock-proof memory controller
Datasheet	SM5904BF_NipponPrecisionCircuitsInc.pdf

SM5904BF Product details

Description

Pin number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 Pin name VDD2 UC1 UC2 UC3 UC4 VSS2 DIT NTEST1 CLK VSS1 YSRDATA YLRCK YSCK ZSCK ZLRCK ZSRDATA YFLAG YFCLK YBLKCK NRESET ZSENSE VDD1 YDMUTE YMLD YMDATA YMCLK NTEST2 NCAS2 D2 D3 D0 D1 NWE NRAS A9 A8 A7 A6 A5 A4 A0 A1 A2 A3 I/O Ip/O Ip/O Ip/O Ip/O O Ip I I I I O O O I I I I O I I I I Ip O Ip/O Ip/O Ip/O Ip/O O O O O O O O O O O O O Function H VDD supply pin Microcontr

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-level compression mode selectable 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 ⋅ External DRAM configurations usable 2 × 4M DRAM (1M × 4 b.

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Published: Apr 7, 2005 |