YM2413

Equivalence table

Rebadged as	Found on PCB (manufacturer)
6868A
U3567	IGS
UM3567	BMC, Dynax, IGS

FM Operator Type-LL

Pinout

DIP18
         +---\/---+
     GND | 1    18| D1
      D2 | 2    17| D0
      D3 | 3    16| Vcc
      D4 | 4    15| RO
      D5 | 5    14| MO
      D6 | 6    13| *IC
      D7 | 7    12| *CS
     XIN | 8    11| *WE
    XOUT | 9    10| AO
         +--------+

DIP24
         +---\/---+
     GND | 1    24| D1
      D2 | 2    23| D0
      D3 | 3    22| NC
      D4 | 4    21| Vcc
      D5 | 5    20| RO
      NC | 6    19| MO
      D6 | 7    18| NC
      NC | 8    17| *IC
      D7 | 9    16| NC
     XIN |10    15| *CS
    XOUT |11    14| *WE
      NC |12    13| AO
         +--------+

Frequency

DIP18
Set reader to FREQ, put black probe to GND, red probe to 8 and to 9 to measure CPU clock

DIP24
Set reader to FREQ, put black probe to GND, red probe to 10 and to 11 to measure CPU clock

External links

YM2413 page on Wikipedia

Files

• 
  YM2413 Datasheet