The MCST R500S (Russian: МЦСТ R500S) is a 32-bit system-on-a-chip, developed by Moscow Center of SPARC Technologies (MCST) and fabricated by TSMC.

MCST R500S Highlights

  • implements the SPARC V8 instruction set architecture (ISA)
  • dual-core
  • the two cores can work in redundancy to increase reliability of the system.
  • core specifications:
    • in-order, single-issue
    • 5-stage integer pipeline
    • 7-stage floating-point pipeline
    • 16 KB L1 instruction cache
    • 32 KB L1 data cache
  • shared 512KB L2 cache
  • integrated controllers:
    • memory
    • PCI
    • RDMA (to connect with other MCST R500S)
    • MSI (Mbus and SBus)
    • EBus
    • PS/2
    • Ethernet 100
    • SCSI-2
    • RS-232
  • 500 МHz clock rate
  • 130 nm process
  • die size 100 mm2
  • ~45 million transistors
  • power consumption 5W

References

Allikas: https://en.wikipedia.org/wiki/MCST-R500S
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