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Yamaha Y8950 is a sound chip, produced in 1984. This model was used in the MSX-Audio cartridge for the MSX personal computer. This chip was introduced in three cartridge models: *Philips NMS-1205 *Toshiba HX-MU900 *Panasonic FS-CA1 ==Features== *Compatibility with the Yamaha YM3526 *Nine voices of Yamaha FM *Two sound-generation modes available: Simultaneous sounding of nine tones or 6 melodies and five rhythms (Compatible with the character and pattern telephone access information network system and teletex). *Built-in vibrato and AM oscillators *Built-in accelerated 4-bit ADPCM speech analysis/synthesis circuits *Possibility of connecting an external 256-kB RAM plus 256-kB ROM *Built-in 8-bit input/output ports for keyboard scanning *Built-in 4-bit general purpose I/O port *Two built-in general purpose timers *TTL compatible input/output *Si-gate CMOS LSI *5V single power supply *64-pin SDIP encapsulation (the same thing was used on the V9938) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Yamaha Y8950」の詳細全文を読む スポンサード リンク
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