YM3812

Equivalence table

Rebadged as	Found on PCB (manufacturer)
5A12	Gaelco, Soft Art, SunA
6564L	IGS
K-666	Barko, Comad, Subsino, Top ltd.
KS8001	Yun Sung, Unico
ND-414	Yun Sung
SM64	Deniam, Soft Art
SM64JBCK	Subsino
U6612	ESD, Seibu Kaihatsu Inc, Yun Sung (different from the YM3012 package)
UA010	Promat (different from the YM3014 package)
UA011	Barko, F2System
YN2212	ESD

FM Operator Type-L II (OPL II)

Pinout

DIP24
         +---\/---+
     Vss | 1    24| ØM
    *IRQ | 2    23| ØSY
     *IC | 3    22| NC
      AO | 4    21| MO
     *WR | 5    20| SH
     *RD | 6    19| NC
     *CS | 7    18| D7
      NC | 8    17| D6
      NC | 9    16| D5
      D0 |10    15| D4
      D1 |11    14| D3
     GND |12    13| D2
         +--------+

Frequency

DIP24
Set reader to FREQ, put black probe to GND, red probe to 20,23 and 24 to measure CPU clock

External links

YM3812 page on Wikipedia

Note

Usually comes in pair with YM3014

Files

• 

  YM3812 Datasheet