YMF721 lsi equivalent, fm + wavetable synthesizer lsi.
˔ 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 m.
sound cards, MIDI synthesis modules and other sound applications. Since this LSI outputs stereophonic 16 bit digital si.
ISA bus interface : 19 pins
Pin name
pins I/O Type Size Function
ADB7-0
8
I/O TTL 2mA Data bus
A2-0
3
I TTL
- Address bus
/MPUCS
1
I TTL
- MPU401 chip select
/OPLCS
1
I TTL
- FM/Wavetable/Command/Control chip select
/IOW
1
I TTL
.
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