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- SCU(System Control Unit)
- Equipped with a CPU I / F, A-Bus I / F, and B-Bus I / F controller to smoothly transfer data between each bus. In addition, a DMA controller, interrupt controller, and DSP are installed inside to realize DMA control, interrupt control, and high-speed arithmetic processing.
- Main CPU
- Equipped with a 32-bit RISC CPU SH-2 that controls the entire system.
- MC68EC000
- Sound control CPU centered on SCSP. It plays the control function of SCSP.
- V-BLANK-IN
- One of three types of blanking interrupts. This interrupt indicates the end timing of screen display.
- V-BLANK-OUT
- One of three types of blanking interrupts. This interrupt indicates the screen display start timing.
- H-BLANK-IN
- One of three types of blanking interrupts. This interrupt indicates the display end timing of one line.
- Peripheral
- Peripheral devices connected to Saturn, such as control PAD, mouse, keyboard, etc.
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