Semiconductor & Computer Engineering
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Difference between revisions of "rockwell international/pps-4/10660"
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| − | The '''Rockwell PPS-4''' (Also '''PPS-4/1''', '''PPS-4/2''') was a 4-bit [[microprocessor]] designed by [[Rockwell International]] and first produced at the 3rd quarter of 1972.<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 as opposed to the [[Intel 4004]] which used silicon gate technology. The PPS-4 was one of only four microprocessors introduced before 1974.<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> In 1975 Rockwell released a second revision of the chip which was marked '''PPS-4/2'''.<ref name=antiquetech>[ | + | The '''Rockwell PPS-4''' (Also '''PPS-4/1''', '''PPS-4/2''') was a 4-bit [[microprocessor]] designed by [[Rockwell International]] and first produced at the 3rd quarter of 1972.<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 as opposed to the [[Intel 4004]] which used silicon gate technology. The PPS-4 was one of only four microprocessors introduced before 1974.<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> In 1975 Rockwell released a second revision of the chip which was marked '''PPS-4/2'''.<ref name=antiquetech>[http://www.antiquetech.com/?page_id=796]</ref> Various Gottlieb's pinball machines use the PPS-4.<ref name=antiquetech /> Unlike the Intel 4004, the PPS-4 was produced and sold throughout the 1980s. |
== System == | == System == | ||
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. | 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. | ||
| + | |||
| + | {| class="wikitable" | ||
| + | |- | ||
| + | ! Model !! Description | ||
| + | |- | ||
| + | | PPS-4 || CPU | ||
| + | |- | ||
| + | | PPS-4/2 || CPU | ||
| + | |- | ||
| + | | 10706 || [[Clock generator]] | ||
| + | |- | ||
| + | | 10738 || [[Bus interface]] | ||
| + | |- | ||
| + | | 11049 || [[Interval timer]] | ||
| + | |- | ||
| + | | 10686 || [[General purpose I/O]] | ||
| + | |- | ||
| + | | 10930 || [[Serial data controller]] | ||
| + | |} | ||
== Versions == | == Versions == | ||
Revision as of 08:53, 10 January 2014
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The Rockwell PPS-4 (Also PPS-4/1, PPS-4/2) was a 4-bit microprocessor designed by Rockwell International and first produced at the 3rd quarter of 1972.[1] The chip came in a 42-pin quadruple in-line package and was fabricated using metal gate technology as opposed to the Intel 4004 which used silicon gate technology. The PPS-4 was one of only four microprocessors introduced before 1974.[2] In 1975 Rockwell released a second revision of the chip which was marked PPS-4/2.[3] Various Gottlieb's pinball machines use the PPS-4.[3] Unlike the Intel 4004, the PPS-4 was produced and sold throughout the 1980s.
Contents
System
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.
| Model | Description |
|---|---|
| PPS-4 | CPU |
| PPS-4/2 | CPU |
| 10706 | Clock generator |
| 10738 | Bus interface |
| 11049 | Interval timer |
| 10686 | General purpose I/O |
| 10930 | Serial data controller |
Versions
The PPS-4 came in two versions: 10660 and the 12660. The difference between the two is unclear.
| Manufacturer | Model | Package |
|---|---|---|
| Rockwell | PPS-4 | Black plastic, 42-pin QUIP |
| Rockwell | PPS-4/1 | Black plastic, 42-pin QUIP |
| Rockwell | PPS-4/2 | White ceramic, 42-pin QUIP |
| Rockwell | PPS-4/2 | Black plastic, 42-pin QUIP |
Instruction set
The PPS-40 came with a relatively large set of instruction.