About: HP Saturn

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Family of 4-bit datapath, nibble serial, CISC, calculator, pocket computer and printer general purpose processors with 20-bit addressing capabilities and 64-bit general purpose registers

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dbo:description
  • Prozessorfamilie für Taschenrechner (de)
  • ancien microprocesseur (fr)
  • family of 4-bit datapath, nibble serial, CISC, calculator, pocket computer and printer general purpose processors with 20-bit addressing capabilities and 64-bit general purpose registers (en)
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dbp:alt
  • Photo of HP48SX 1LT8 SoC die containing an embedded Saturn CPU (en)
dbp:bits
  • Hybrid 64-bit GPR, 20-bit address bus, 4-bit datapath, 4-bit minimum word size (en)
dbp:branching
  • Carry bit, "sticky" bit and other flag registers (en)
dbp:caption
  • Photo of the exposed die of the HP 1LT8 Clarke SoC which contains the embedded Saturn microprocessor manufactured by HP for use in the HP 48SX (en)
dbp:cs1Dates
  • y (en)
dbp:date
  • April 2019 (en)
dbp:design
  • CISC (en)
dbp:designer
dbp:encoding
  • Variable (en)
dbp:endianness
  • Little-endian (en)
dbp:extensions
  • Only extensions for emulated ARM-based "virtual" CPUs (en)
dbp:fpr
  • No FPU registers (en)
dbp:gpr
  • Four 64-bit GPRs (en)
dbp:group
  • "nb" (en)
dbp:introduced
  • 1984 (xsd:integer)
dbp:name
  • Saturn (en)
dbp:open
  • Proprietary (en)
dbp:pageSize
  • No MMU or paging available (en)
dbp:predecessor
dbp:registers
  • Nine 64-bit GPR and "scratch" registers, two 20-bit "data pointer" registers and other miscellaneous registers (en)
dbp:type
  • Combination of a load–store architecture with some exceptions which fall into the register–memory architecture family (en)
dbp:version
  • 2.0 (dbd:second)
dbp:vpr
  • No vector registers (en)
dbp:wikiPageUsesTemplate
dct:subject
rdfs:label
  • HP Saturn (en)
  • Saturn (microprocesador) (es)
  • HP Saturn (de)
  • Saturn (microprocesseur) (fr)
  • HP Saturn (ja)
  • HP Saturn (zh)
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