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(Created page with "{{nec title|μCOM-45}}{{ic family | title = NEC μCOM-45 Family | image = <!-- Image representation of the IC family, e.g. "MCS-4.jpg" --> | caption...")
 
 
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| arch              = 4-bit word, 10-bit instructions
 
| arch              = 4-bit word, 10-bit instructions
 
| isa              = μCOM-4
 
| isa              = μCOM-4
| word              = 4-bit
+
| word              = 4 bit
 
| proc              = <!-- process, e.g. "8 μm"                                      -->
 
| proc              = <!-- process, e.g. "8 μm"                                      -->
 
| tech              = pMOS
 
| tech              = pMOS
 
| clock min        = 150 kHz
 
| clock min        = 150 kHz
 
| clock max        = 440 kHz
 
| clock max        = 440 kHz
| package          = DIP42
+
| package          = DIP28
 +
| package 2        = DIP42
 
}}
 
}}
The '''μCOM-45''' was [[microprocessor family|family]] of general-purpose {{arch|4}} [[microcontroller]]s, part of the {{nec|μCOM-4|μCOM-4 extended family}}. This family offered a subset of the {{nec|nec/μcom-4/isa|full μCOM-4 ISA}}, offered a reduced amount of memory and was marketed as the low-end series among the μCOM-4 lines.
+
The '''μCOM-45''' (or uCOM-45) was [[microprocessor family|family]] of general-purpose {{arch|4}} [[microcontroller]]s, part of the {{nec|μCOM-4|μCOM-4 extended family}}. This family offered a subset of the {{nec|μcom-4/isa|full μCOM-4 ISA}}, offered a reduced amount of memory and was marketed as the low-end series among the μCOM-4 lines.
  
 
== Microcontrollers ==
 
== Microcontrollers ==

Latest revision as of 01:00, 19 May 2016

NEC μCOM-45 Family
no photo (ic).svg
Developer NEC
Manufacturer NEC
Type Microcontrollers
Production November, 1977
Architecture 4-bit word, 10-bit instructions
ISA μCOM-4
Word size 4 bit
0.5 octets
1 nibbles
Technology pMOS
Clock 150 kHz-440 kHz
Package DIP28, DIP42

The μCOM-45 (or uCOM-45) was family of general-purpose 4-bit microcontrollers, part of the μCOM-4 extended family. This family offered a subset of the full μCOM-4 ISA, offered a reduced amount of memory and was marketed as the low-end series among the μCOM-4 lines.

Microcontrollers[edit]

μCOM-45 Microcontrollers
ModelPartIntroductionROMRAMPins
μCOM-45μPD5501977640x8 bit32x4 bit28
μCOM-45LμPD550L1980640x8 bit32x4 bit28
μCOM-45μPD55419781000x8 bit32x4 bit28
μCOM-45LμPD554L19811000x8 bit32x4 bit28
μCOM-45CμPD65219781000x8 bit32x4 bit42

Design[edit]

New text document.svg This section is empty; you can help add the missing info by editing this page.

μCOM-45 Instruction Set[edit]

Main article: μCOM-4 ISA

The μCOM-45 ISA supported a strict subset of the entire μCOM-4 ISA, composed of 58 instructions.

See Also[edit]


Text document with shapes.svg This article is still a stub and needs your attention. You can help improve this article by editing this page and adding the missing information.
Facts about "μCOM-45 - NEC"
designerNEC +
full page namenec/μcom-45 +
instance ofmicrocontroller family +
instruction set architectureμCOM-4 +
main designerNEC +
manufacturerNEC +
nameNEC μCOM-45 Family +
packageDIP28 + and DIP42 +
technologypMOS +
word size4 bit (0.5 octets, 1 nibbles) +