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Portable Network Graphic  |  2000-11-20  |  84.8 KB  |  2480x3508
   ocr: VAMAHA YM3526 PIN LAYOUT VSS 24 OM IRQ 2 23 OSY 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 DO 10 15 D4 DI II 14 D3 GND 12 13 D2 *NC No Connection BLOCK DIAGRAM AOCS RDWR OMOSYSH IRQ Data bus Timing Timer control control EG OP ACC MO DO-D7 Register PG Vibrato/ Amplitude array modulation 2