SM5905AF
NIPPON PRECISION CIRCUITS INC.
compression and non compression type shock-proof memory controller
Overview
The SM5905AF 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 4M DRAM can be connected to expand the memory to 4M bits.
Digital attenuator, soft mute and related functions are also incorporated.
It operates from a 4.
5 to 5.
5 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 ...