|Produced||From 1992 to 1994|
|Designed by||Sun Microsystems|
|Max. CPU clock rate||40 MHz to 125 MHz|
|Instruction set||SPARC V8|
The microSPARC (code-named "Tsunami") is a microprocessor implementing the SPARC V8 instruction set architecture (ISA) developed by Sun Microsystems. It was a low-end microprocessor intended for low-end workstations and embedded systems. The microprocessor was developed by Sun, but the floating-point unit (FPU) was licensed from Meiko Scientific. It contained 800,000 transistors.
There were two derivatives of the microSPARC: the microSPARC-II and microSPARC-IIep. The microSPARC-IIep was a 100 MHz microSPARC-II with an integrated PCI controller for embedded systems. It was developed and fabricated by LSI Logic for Sun. The microprocessor was used by Sun in their JavaStation Network Computer.
|Name (codename)||Model||Frequency (MHz)||Arch. version||Year||Total threads||Process (µm)||Transistors (millions)||Die size (mm²)||IO Pins||Power (W)||Voltage (V)||L1 Dcache (k)||L1 Icache (k)||L2 Cache (k)||L3 Cache (k)|
|microSPARC I (Tsunami)||TI TMS390S10||40–50||V8||1992||1×1=1||0.8||0.8||225?||288||2.5||5||2||4||none||none|
|microSPARC II (Swift)||Fujitsu MB86904 / Sun STP1012||60–125||V8||1994||1×1=1||0.5||2.3||233||321||5||3.3||8||16||none||none|
- Threads per core × number of cores
- Sun Microsystems, Inc. (10 August 1992). "Highly Integrated SPARC Processor Implementation (Tsunami)". Hot Chips presentation.'
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