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MIPS version Licensee Processor Features Year Process (nm) Frequency (MHz) Transistors (millions) Die size (mm 2) Pin count Power (W) Voltage (V) D. cache (KB) I. cache (KB) MMU L2 cache L3 cache MIPS I: Lexra: LX4080, LX4180, LX4280, LX5280, LX8000 MIPS II: НИИСИ РАН: KOMDIV-32: MIPS III: Sony Computer Entertainment + Toshiba: Emotion ...
In the early 1990s, MIPS began to license their designs to third-party vendors. This proved fairly successful due to the simplicity of the core, which allowed it to have many uses that would have formerly used much less able complex instruction set computer (CISC) designs of similar gate count and price; the two are strongly related: the price of a CPU is generally related to the number of ...
MIPS III is a backwards-compatible extension of MIPS II that added support for 64-bit memory addressing and integer operations. The 64-bit data type is called a doubleword, and MIPS III extended the general-purpose registers, HI/LO registers, and program counter to 64 bits to support it.
Name License Source model Target uses Status Platforms Apache Mynewt: Apache 2.0: open source: embedded: active: ARM Cortex-M, MIPS32, Microchip PIC32, RISC-V: BeRTOS: Modified GNU GPL: open source
National Semiconductor's SC/MP (pronounced scamp) for Simple Cost-effective Micro Processor, is an early 8-bit microprocessor which became available in April 1976. It was designed to allow systems to be implemented with the minimum number of additional support chips.
SCAMP prototype. In 1973, Bill Lowe was instrumental in fostering an engineering prototype called SCAMP (Special Computer APL Machine Portable) created by Dr. Paul Friedl and a team at the IBM Los Gatos Scientific Center. [6] [7] SCAMP has been dubbed in PC Magazine as "the world's first personal computer". [6]