The Wavetable synthesizer of this LSI is able to generate up to 24 types of sounds simultaneously. Has an interface that makes this LSI compatible with MPU-401 UART mode. Has an OPL3 (FM synthesizer) for AdLib/Sound Blaster applications. Has a 1 Mbyte built-in Wavetable sample ROM. Complies with GM system Level 1. (Thus, it is compatible with DOS applications that support MPU-401.) MIDI signal can be transmitted either through serial input or parallel input. FM synthesizer and Wavetable synthesizer of this LSI can generate their sound at the same time. FM synthesizer is register-compatible with OPL3. All registers are readable.