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{{rockwell title|PPS-4/2 (11660)}}
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{{stub}}
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{{chip
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{{Microprocessor
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| name               = Rockwell PPS-4/2
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|name             = Rockwell PPS-4/2
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| image               = Rockwell PPS4 11660 CPU.jpg
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<!--|image           = -->
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| caption            = PPS4/2 part 11660EC, week 22, 1979
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|developer        = [[Rockwell International]]
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| designer           = Rockwell International
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|intro_date      = Q3, 1975
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| manufacturer        = Rockwell International
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|model           = 10660<br />12660
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| model number       = PPS-4/2
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|transistors      =
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| part number        = 11660
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|clock            = 198.864 Khz
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| first launched      = October, 1975
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|bus_width       = 4-bit
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|lithography      =
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|mem_max          = 2KB
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|mem_addressable  = 4KB
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|gpio            = 31 ports<ref name=datasheet />
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|package          = 42-pin [[QUIL]]<ref name=datasheet />
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}}
  
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| family              = PPS-4
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The '''Rockwell PPS-4/2''' ('''PPS-4/2''') was a 4-bit [[microprocessor]] designed by [[Rockwell International]]. The chip, which was the second generation of the [[PPS-4]], first produced at the 3rd quarter of 1975.<ref name=datasheet>[http://bitsavers.trailing-edge.com/pdf/rockwell/PPS-4/mm78.pdf Data Sheet]</ref> The [[chip]] came in a 42-pin [[quadruple in-line package]] and was fabricated using metal gate technology.<ref>[http://www.cpushack.com/2013/05/06/cpu-of-the-day-rockwell-pps-41-the-other-4-bit-processor/ CPU of the Day: Rockwell PPS-4/1 The other 4-bit Processor]</ref><ref name=antiquetech>[http://www.antiquetech.com/?page_id=796]</ref>
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| frequency          = 198.864 kHz
 
  
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| microarch          = PPS-4
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== System ==
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| process            = 10 μm
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Similarly to the [[Intel 4004]], the Rockwell PPS-4 required two additional support chips: a [[clock generator]] and [[ROM]] memory. The chip came in a 42-pin [[QIP]] package. 12 I/O terminals are available for general purpose I/O.
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| die size            =  
 
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| word size          = 4 bit
 
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| max memory         = 2 KiB
 
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| max memory addr    = 4 KiB
 
  
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{| class="wikitable"
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|-
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! Model !! Description
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|-
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| PPS-4 || CPU
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|-
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| PPS-4/2 || CPU
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|-
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| 10706 || [[Clock generator]]
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|-
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| 10738 || [[Bus interface]]
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|-
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| 11049 || [[Interval timer]]
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|-
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| 10686 || [[General purpose I/O]]
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|-
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| 10696 || [[General purpose I/O]]
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|-
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| 10736 || dot matrix printer controller
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|-
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| 10788 || keyboard/display controller
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|-
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| 10789 || printer controller
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|-
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| 10815 || keyboard/printer controller
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|-
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| 10930 || [[Serial data controller]]
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|-
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| 15380 || dot matrix printer controller
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|}
  
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| tdp                = 600 mW
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== Versions ==
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| temp max            = 70 °C
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The PPS-4 came in two versions: ''10660'' and the ''12660''. The difference between the two is unclear.
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| temp min            = 0 °C
 
  
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| packaging          = Yes
 
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| package            = QIL42
 
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| package type        = QIL
 
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}}
 
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The '''PPS-4/2''' (also known by its part number '''11660''') was a {{arch|4}} [[microprocessor]] designed by [[Rockwell International]] and first produced at the 3rd quarter of 1975. The PPS-4 is part of the {{rockwell|PPS-4|PPS-4 Family}}. The PPS-4/2 is the 2nd model from the PPS-4 family. The "/2" was used to indicate that this chip is a two-chip system; Rockwell incorporated the {{rockwell|pps-4/10706|10706}} clock generator internally. It's full compatible with all the original {{rockwell|pps-4/10660|PPS-4}} CPU and all the other parts.
 
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THe PPS-4/2 is functionally identical to the {{rockwell|pps-4/10660|PPS-4}}. It can, however, directly drive low-power LED display.
 
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== Versions ==
 
 
{| class="wikitable"
 
{| class="wikitable"
 
|-
 
|-
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== Instruction set ==
 
== Instruction set ==
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{{main|rockwell international/pps-4/instruction set|l1=PPS-4 Instruction Set}}
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The PPS-40 came with a relatively large set of instruction.
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{{empty section}}
 
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== Documents ==
 
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* [[:File:rockwell PPS-4-2 datasheet.pdf|PPS-4/2 Datasheet]]
 
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* [[:File:rockwell pps-4-2 manual.pdf|PPS-4/2 Manual]]
 
  
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== See also ==
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== References ==
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* {{rockwell|PPS-4}}
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{{reflist}}
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* {{rockwell|PPS-4/10660|10660}}
 
  
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{{DEFAULTSORT:PPS-4/2, Rockwell}}
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{{stub}}
 
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{{DEFAULTSORT:11660, Rockwell}}
 
 
[[Category:4-bit microprocessors]]
 
[[Category:4-bit microprocessors]]
 
[[Category:1975 microprocessors]]
 
[[Category:1975 microprocessors]]
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[[Category:Rockwell International microprocessors]]
 
 
[[Category:Microprocessor stubs]]
 
[[Category:Microprocessor stubs]]

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Facts about "PPS-4/2 (11660) - Rockwell International"
RDF feed
base frequency0.199 MHz (1.98864e-4 GHz, 198.864 kHz) +
designerRockwell International +
familyPPS-4 +
first launchedOctober 1975 +
full page namerockwell international/pps-4/11660 +
instance ofmicroprocessor +
ldateOctober 1975 +
main imageFile:Rockwell PPS4 11660 CPU.jpg +
main image captionPPS4/2 part 11660EC, week 22, 1979 +
manufacturerRockwell International +
max memory0.00195 MiB (2 KiB, 2,048 B, 1.907349e-6 GiB, 1.862645e-9 TiB) +
max memory address4 KiB +
max operating temperature70 °C +
microarchitecturePPS-4 +
min operating temperature0 °C +
model numberPPS-4/2 +
nameRockwell PPS-4/2 +
part number11660 +
process10,000 nm (10 μm, 0.01 mm) +
tdp0.6 W (600 mW, 8.046e-4 hp, 6.0e-4 kW) +
word size4 bit (0.5 octets, 1 nibbles) +