SuperH

The SuperH (or SH) is a family of microprocessors, originally developed by Hitachi during the 1990s as the successor to the H8 family, and now supported by Renesas. They were notable for their time as being capable, yet relatively cheap units with low power consumption.

Sega has used SuperH chips as the central processing unit for a number of video game consoles and arcade machines:

• SH-1: Used on Sega Saturn to control the CD-drive and to check copy protection on game discs
• SH-2: The main processor behind both the the Sega 32X and Sega Saturn (both consoles in fact use two chips in parallel)
• SH-4: Used in the Sega Dreamcast and derivatives such as the NAOMI and NAOMI 2

SH-3 and SH-5 chips also belong to the family, but were never utilised by Sega. Towards the early 2000s, the family had perhaps out-lived its potential in video gaming, however the technology continues to see widespread use in other forms of electronics.

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