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The Yamaha YM2151, also known as OPM (FM Operator Type-M) is an eight-channel, four-operator sound chip developed by Yamaha. It was Yamaha's first single-chip FM synthesis implementation, being created originally for some of the Yamaha DX series of keyboards (DX21, DX27, and DX100 [1]). Yamaha also used it in some of their budget-priced ...
Yamaha YM2151 (a.k.a. OPM) 1983 32 8 4 Mid-1980s to mid-1990s arcade systems (the most prolific FM chip used in arcades), Sharp X1 and X68000 computers, MSX (CX5M, Yamaha SFG-01 and SFG-05 FM Sound Synthesizer Unit), Yamaha digital synthesizers (DX21, DX27, DX100) NMOS chip (depletion-load) [61] [62] [33] [63] Yamaha YM2203 (a.k.a. OPN) 1984 12 3 4
The Yamaha YM2164, a.k.a. OPP (FM Operator Type P), is an FM synthesis sound chip developed by Yamaha, an enhanced version of their YM2151 (a.k.a. OPM). The OPP was used in various MIDI-based synthesizers by Yamaha - DX21, DX27, DX100, SFG-05, FB-01 (a standalone SFG-05) - plus several licensed products: the IBM Music Feature Card (which is effectively an FB-01 on an ISA card) and Korg's DS-8 ...
The OPL (FM Operator Type-L) series is a family of sound chips developed by Yamaha.It consists of low-cost sound chips providing FM synthesis for use in computing, music and video game applications.
The YM2203, a.k.a. OPN (FM Operator Type-N), is a six-channel (3 FM and 3 SSG) sound chip developed by Yamaha.It was the progenitor of Yamaha's OPN family of FM synthesis chips used in many video game and computer systems throughout the 1980s and early 1990s.
The YM2608, a.k.a. OPNA, is a sound chip developed by Yamaha. It is a member of Yamaha's OPN family of FM synthesis chips, and is the successor to the YM2203. It was notably used in NEC's PC-8801/PC-9801 series computers. The YM2608 consists of four internal modules: FM Sound Source, a six-channel FM synthesis sound system, based on the YM2203
The YM2612, a.k.a. OPN2, is a sound chip developed by Yamaha.It is a member of Yamaha's OPN family of FM synthesis chips, and is derived from the YM2203. [1]The YM2612 is a six-channel FM synthesizer used in several game and computer systems, most notably in Sega's Mega Drive/Genesis video game console [2] as well as Fujitsu's FM Towns computer series. [3]
Yamaha YM2420 (OPLL2) is a variant with slightly changed registers (intentionally undocumented to avoid hardware piracy), used in Yamaha's own home keyboards. It has the same pinout and built-in FM patches as the YM2413, but several registers have parts of the bit order reversed. Yamaha YM2423 (OPLL-X) is another YM2413 derivative. It has the ...