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{{fujitsu title|MB8850}}
 
{{fujitsu title|MB8850}}
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{{ic family
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The '''Fujitsu MB8850 series''' is a [[microprocessor family|family]] of [[4-bit architecture|4-bit]] [[CMOS]] [[microcontroller]]s developed by [[Fujitsu]] and introduced in 1977{{date off}}. The {{fujitsu|MB88500}} series is a high-speed version of this series.
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| title            = MB8850/MB8850H Family
 
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| image            = MB8855.JPG
 
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| caption          = Fujitsu MB8855 datecode 1986 week 13
 
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| developer        = Fujitsu
 
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| manufacturer      = Fujitsu
 
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| type              = <!-- type "microprocessors", "microcontrollers", etc..        -->
 
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| production start  = 1977
 
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| production end    = 1992
 
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| arch              =
 
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| isa              = MB8850
 
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| word              = 4 bit
 
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| proc              = <!-- process, e.g. "8 μm"                                      -->
 
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| tech              = CMOS
 
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| clock min        = 1 MHz
 
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| clock max        = 6 MHz
 
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| package          = DIP42
 
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| package 2        = DIP28
 
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| package 3        = QFP48
 
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}}
 
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The '''MB8850/MB8850H series''' is a [[microprocessor family|family]] of {{arch|4}} [[CMOS]] [[microcontroller]]s developed by [[Fujitsu]] and introduced in 1977{{date off}}. This series is architecturally identical to the {{fujitsu|MB8840|MB8840 family}} (An [[nMOS]] version). The {{fujitsu|MB88500}} series is a high-speed version of this series.
 
  
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== Members ==
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{| class="wikitable" style="float: right;"
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{| class="wikitable"
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! colspan="2" | Family Members
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! colspan="6" | Family Members
 
 
|-
 
|-
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! Part !! ROM !! RAM !! I/O Ports !! Instructions !! Notes
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! Part !! Description
 
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|-
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| {{\|MB8851}} || 2kx8 bit || 128x4-bit || 37 || 70 ||
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| {{fujitsu|MB8851}} || 2k x 8-bit ROM, 128x4-bit RAM, 37 I/O
 
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|-
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| {{\|MB8852}} || 2kx8 bit || 128x4 bit || 25 || 69 ||
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| {{fujitsu|MB8852}} || 2k x 8-bit ROM, 128x4-bit RAM, 25 I/O
 
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|-
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| {{\|MB8853}} || 1kx8 bit || 64x4 bit || 37 || 70 ||
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| {{fujitsu|MB8854}} || 1k x 8-bit ROM, 64x4-bit RAM, 25 I/O
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|-
 
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| {{\|MB8854}} || 1kx8 bit || 64x4 bit || 25 || 69 ||
 
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|-
 
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| {{\|MB8855}} || 2kx8 bit || 128x4-bit || 37 || 70 ||
 
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|-
 
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| {{\|MB8856}} || 2kx8 bit || 128x4-bit || 25 || 69 ||
 
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|-
 
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| {{\|MB8857}} || 1kx8 bit || 64x4 bit || 37 || 70 ||
 
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|-
 
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| {{\|MB8858}} || 1kx8 bit || 64x4 bit || 25 || 69 ||
 
 
|}
 
|}
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== ISA ==
 
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{{main|fujitsu/mb8850/isa|l1=MB8850 ISA}}
 
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The {{fujitsu|MB8840}} family and this have an identical ISA consisting for 60-70 instructions.
 
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{{expand section}}
 
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== Documents ==
 
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* [[:File:MB8850 family.pdf|MB8850 Datasheet]].
 
 
==See also==
 
==See also==
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* {{fujitsu|MB88500}}, a higher frequency version
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* {{fujitsu|MB88500}}
 
* {{fujitsu|MB8840}}, a [[NMOS]] version
 
* {{fujitsu|MB8840}}, a [[NMOS]] version
  

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Facts about "MB8850 - Fujitsu"
RDF feed
designerFujitsu +
full page namefujitsu/mb8850 +
instance ofintegrated circuit family +
instruction set architectureMB8850 +
main designerFujitsu +
manufacturerFujitsu +
nameMB8850/MB8850H Family +
packageDIP42 +, DIP28 + and QFP48 +
technologyCMOS +
word size4 bit (0.5 octets, 1 nibbles) +