SS用NV1? 你丫也去google一下再回来扯蛋呀:fq52:

Processors
Two Hitachi SuperH-2 7604 32-Bit RISC processors at 28.63 MHz (50-MIPS) – each has 4 KiB on-chip cache, of which 2 KiB can alternatively be used as directly addressable Scratchpad RAM
SH-1 32-bit RISC processor (controlling the CD-ROM)
Custom VDP 1 32-bit video display processor (running at 7.1590 MHz on NTSC Systems, 6.7116 MHz for PAL Systems)
Custom VDP 2 32-bit video display processor (running at 7.1590 MHz on NTSC Systems, 6.7116 MHz for PAL Systems)
Custom Saturn Control Unit (SCU) with DSP for geometry processing and DMA controller (running at 14.3 MHz)
Motorola 68EC000 sound controller (running at 11.3 MHz / 1,5 MIPS)
Yamaha FH1 DSP sound processor, "Sega Custom Sound Processor" (SCSP), running at 22.6 MHz
Hitachi 4-bit MCU, "System Manager & Peripheral Control" (SMPC)