YM2151

Equivalence table

Rebadged as	Found on PCB (manufacturer)
3569	Promat, Para, Promat
9222S	YunSung
BS901	Afega, Danbi, Dooyong, F2System, Omega System, SemiCom
CA5101	Jeil Computer System, Omega System, SemiCom
CY5001	Afega, Dongsung, Para
HG3091
K-661	Afega
KA2001	Danbi
KA51	Omega System, SemiCom
KB2001	SUN
PD2001	Afega
U6651	Semicom, Unico

FM Operator Type-M (OPM)

Pinout

DIP24
         +---\/---+
Vss(GND) | 1    24| ØM
    *IRQ | 2    23| Ø1
     *IC | 3    22| Vdd(+5V)
      A0 | 4    21| S0
     *WR | 5    20| SH1
     *RD | 6    19| SH2
     *CS | 7    18| D7
     CT1 | 8    17| D6
     CT2 | 9    16| D5
      D0 |10    15| D4
Vss(GND) |11    14| D3
      D1 |12    13| D2
         +--------+

Frequency

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

External links

YM2151 page on Wikipedia

Files

• 
  YM2151 Datasheet