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Revision as of 21:12, 18 January 2016

Rockwell PPS-4/2
no photo (ic).svg

Developer Rockwell International

Introduction date Q3, 1975

Model 10660
12660

Clock 198.864 Khz

Bus Width 4-bit

Memory Specs
Max Memory 2KB

Addressable 4KB

I/O Specs

General Purpose IO 31 ports[1]

Packaging
Package 42-pin QUIL[1]

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.[1] The chip came in a 42-pin quadruple in-line package and was fabricated using metal gate technology.[2][3]

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
10696 General purpose I/O
10736 dot matrix printer controller
10788 keyboard/display controller
10789 printer controller
10815 keyboard/printer controller
10930 Serial data controller
15380 dot matrix printer 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-4/2 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.

References

  1. ↑ 1.0 1.1 1.2 Data Sheet
  2. ↑ CPU of the Day: Rockwell PPS-4/1 The other 4-bit Processor
  3. ↑ [1]
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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) +