Namco System 21 - System 21 Specifications

System 21 Specifications

The System 21 consists of four PCBs housed in a metal crate.

  • Main CPU: 2x Motorola 68000 @ 12.288 MHz
  • DSP (used for performing 3D math): 4x Texas Instruments TMS320C25 @ 24.576 MHz (Star Blade uses 5xTMS320C20 instead)
  • Sound CPU: Motorola 6809 @ 3.072 MHz
  • Sound Chip: Yamaha YM2151 @ 3.58 MHz
  • MCU Hitachi HD63705 @ 2.048 MHz
  • + Namco custom chips

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