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The '''GI SBA-1''' ('''General Instrument Microelectronics Sequential Boolean Analyzer-1''') is a [[1-bit architecture]] microprocessor developed by [[General Instrument|General Instrument's]] [[General Instrument Microelectronics|Microelectronics]] division. The chip featured 24 basic instructions, 16-level stack, and storage. This is an identical version of the [[GI SBA]] without the on-chip ROM. ROM data lines instead were brought out allowing external RAM or ROM to be hooked up.
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{{gi title|SBA-1}}
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{{mcu
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| name            = GI SBA-1
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| manufacturer    = General Instrument
 +
| model number    = SBA-1
 +
| part number    =
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| market          = Industrial
 +
| first launched  = November, 1977
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| family          = SBA
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| clock min      = 10 kHz
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| clock max      = 800 kHz
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| tech            = nMOS
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| word size      = 1 bit
 +
| electrical      = yes
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| temp max        = 70 °C
 +
| temp min        = 0 °C
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| vdd            = 12 V
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| vss            = 0 V
 +
| ram            = 120 b
 +
| ram break      = 120x1 bits
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| stack levels    = 16
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| pins            = 40
 +
| io lines        = 31
 +
| package        = DIP40
 +
| package type    = DIP
 +
}}
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The '''GI SBA-1''' is a {{arch|1}} [[microcontroller]] developed by [[General Instrument]] as part of their {{gi|SBA|SBA family}}. This is an identical version of the {{gi|sba/sba|SBA}} without the on-chip ROM. ROM data lines instead were brought out allowing external RAM or ROM to be hooked up.
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== ISA ==
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{{main|general_instrument/sba#Instruction_Set|l1=SBA Instruction Set}}
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This chip had 24 instructions, all 8-bit words, and had a single-cycle datapath.
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== See Also ==
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* {{gi|SBA}}
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{{stub}}
 
{{stub}}
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[[Category:1-bit microprocessors]]
 

Latest revision as of 05:28, 22 January 2016

GI SBA-1
no photo (ic).svg
Manufacturer General Instrument
Model Number SBA-1
Market Industrial
Introduction November, 1977 (launch)
General information
Family SBA
Clock 10 kHz-800 kHz
Microarchitecture
Technology nMOS
Word size 1 bit
0.125 octets
0.25 nibbles
Electrical
Op. Temp 0 °C – 70 °C
Supply VDD 12 V
Supply VSS 0 V
RAM 120 b
1.5e-5 MB
0.015 kB
15 B
1.5e-8 GB
(120x1 bits)
Stack 16 levels
Pins
I/O ports 31
Package DIP40 (DIP)

The GI SBA-1 is a 1-bit microcontroller developed by General Instrument as part of their SBA family. This is an identical version of the SBA without the on-chip ROM. ROM data lines instead were brought out allowing external RAM or ROM to be hooked up.

ISA[edit]

Main article: SBA Instruction Set

This chip had 24 instructions, all 8-bit words, and had a single-cycle datapath.

See Also[edit]


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Retrieved from "https://en.wikichip.org/w/index.php?title=general_instrument/sba/sba-1&oldid=15097"
Facts about "SBA-1 - General Instrument"
RDF feed
familySBA +
first launchedNovember 1977 +
full page namegeneral instrument/sba/sba-1 +
instance ofmicrocontroller +
manufacturerGeneral Instrument +
market segmentIndustrial +
max operating temperature70 °C +
min operating temperature0 °C +
model numberSBA-1 +
nameGI SBA-1 +
packageDIP40 +
ram1.5e-5 MB (0.015 kB, 15 B, 120 b, 1.5e-8 GB) +
ram breakdown120x1 bits +
technologynMOS +
word size1 bit (0.125 octets, 0.25 nibbles) +