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Difference between revisions of "fujitsu/mb8840"
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{{fujitsu title|MB8840}}
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{{fujitsu title|MB88401/MB8840H series}}
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The '''Fujitsu MB8840 series''' is a [[microprocessor family|family]] of [[4-bit architecture|4-bit]] [[NMOS]] [[microcontroller]]s developed by [[Fujitsu]] and introduced in 1977{{date off}}.
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{{ic family
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| title            = MB88401/MB8840H Family
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| image            = <!-- Image representation of the IC family, e.g. "MCS-4.jpg"  -->
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| caption          = <!-- description of the image                                  -->
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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              = nMOS
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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 '''MB88401/MB8840H series''' is a [[microprocessor family|family]] of {{arch|4}} [[nMOS]] [[microcontroller]]s developed by [[Fujitsu]] and introduced in 1977{{date off}}. This series was very popular for arcade games (e.g. some Atari's Namco Galaga/Xevious systems). This series is architecturally identical to the {{fujitsu|MB8850|MB8850 family}} (A [[CMOS]] version).
  
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{| class="wikitable" style="float: right;"
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== Members ==
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! colspan="2" | Family Members
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The "H" versions are identical to their non-"H" counterparts but aimed to be "high performance", capable of operating at higher frequency (up to 8 MHz).
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{| class="wikitable"
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! colspan="6" | Family Members
 
|-
 
|-
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! Part !! Description
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! Part !! ROM !! RAM !! I/O Ports !! Instructions !! Notes
 
|-
 
|-
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| {{fujitsu|MB8841}} || 2k x 8-bit ROM, 128x4-bit RAM, 37 I/O
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| {{\|MB8841}} || 2kx8 bit || 128x4-bit || 37 || 70 ||
 
|-
 
|-
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| {{fujitsu|MB8842}} || 2k x 8-bit ROM, 128x4-bit RAM, 25 I/O
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| {{\|MB8842}} || 2kx8 bit || 128x4 bit || 25 || 69 ||
 
|-
 
|-
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| {{fujitsu|MB8843}} || 1k x 8-bit ROM, 64x4-bit RAM, 37 I/O
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| {{\|MB8843}} || 1kx8 bit || 64x4 bit || 37 || 70 ||
 
|-
 
|-
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| {{fujitsu|MB8844}} || 1k x 8-bit ROM, 64x4-bit RAM, 25 I/O
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| {{\|MB8844}} || 1kx8 bit || 64x4 bit || 25 || 69 ||
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|-
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| {{\|MB8845}} || 2kx8 bit || 128x4-bit || 37 || 70 ||
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|-
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| {{\|MB8846}} || 2kx8 bit || 128x4-bit || 25 || 69 ||
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|-
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| {{\|MB8847}} || 1kx8 bit || 64x4 bit || 37 || 70 ||
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|-
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| {{\|MB8848}} || 1kx8 bit || 64x4 bit || 25 || 69 ||
 
|}
 
|}
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== Documents ==
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* [[:File:MB8840-H Series (1987).pdf|MB8840 Datasheet]].
 
==See also==
 
==See also==
 
* {{fujitsu|MB88500}}, a [[CMOS]] version
 
* {{fujitsu|MB88500}}, a [[CMOS]] version

Revision as of 20:54, 3 February 2016

MB88401/MB8840H Family
no photo (ic).svg
Developer Fujitsu
Manufacturer Fujitsu
Production 1977-1992
ISA MB8850
Word size 4 bit
0.5 octets
1 nibbles
Technology nMOS
Clock 1 MHz-6 MHz
Package DIP42, DIP28, QFP48

The MB88401/MB8840H series is a family of 4-bit nMOS microcontrollers developed by Fujitsu and introduced in 1977[off?]. This series was very popular for arcade games (e.g. some Atari's Namco Galaga/Xevious systems). This series is architecturally identical to the MB8850 family (A CMOS version).

Members

The "H" versions are identical to their non-"H" counterparts but aimed to be "high performance", capable of operating at higher frequency (up to 8 MHz).

Family Members
Part ROM RAM I/O Ports Instructions Notes
MB8841 2kx8 bit 128x4-bit 37 70
MB8842 2kx8 bit 128x4 bit 25 69
MB8843 1kx8 bit 64x4 bit 37 70
MB8844 1kx8 bit 64x4 bit 25 69
MB8845 2kx8 bit 128x4-bit 37 70
MB8846 2kx8 bit 128x4-bit 25 69
MB8847 1kx8 bit 64x4 bit 37 70
MB8848 1kx8 bit 64x4 bit 25 69

Documents

See also


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Facts about "MB8840 - Fujitsu"
RDF feed
designerFujitsu +
full page namefujitsu/mb8840 +
instance ofintegrated circuit family +
instruction set architectureMB8850 +
main designerFujitsu +
manufacturerFujitsu +
nameMB8840/MB8840H Family +
packageDIP42 +, DIP28 + and QFP48 +
technologynMOS +
word size4 bit (0.5 octets, 1 nibbles) +