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- Published: 2009-10-24
- Uploaded: 2010-08-27
- Author: MrVitic73
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The R3000 found much success and was used by many companies in their workstations and servers. Users included:
The R3000 was also used as a high-end embedded microprocessor, and when advances in technology rendered it obsolete for high-performance systems, it was used as a low-cost embedded design. Companies such as LSI Logic developed derivatives of the R3000 specifically for embedded systems.
The R3000 was a further development of the R2000 with minor improvements. The R3000 die contained 115,000 transistors and measured 56 mm2. MIPS was fabless semiconductor company, so the R3000 was fabricated by MIPS partners including Integrated Device Technology (IDT), LSI Logic, NEC Corporation, Performance Semiconductor, etc. It was fabricated in a 1.2 µm complementary metal–oxide–semiconductor (CMOS) process with two levels of aluminium interconnect.
Derivatives of the R3000 for non-embedded applications include:
* R3000A - A further development by MIPS introduced in 1989. It operated at high clock frequencies of 20, 25, 33.33 and 40 MHz.
Derivatives of the R3000 for embedded applications include:
* PR31700 - A 75 MHz microcontroller from Philips Semiconductors. It is fabricated in a 0.35 μm process and is packaged in a 208-pin LQFP. It uses a 3.3 W power supply and dissipates 0.35 W.
Category: MIPS implementations Category: MIPS microprocessors
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