Semiconductor & Computer Engineering
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Difference between revisions of "fujitsu/mb8850"
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| Line 6: | Line 6: | ||
| developer = Fujitsu | | developer = Fujitsu | ||
| manufacturer = Fujitsu | | manufacturer = Fujitsu | ||
| − | | type = | + | | type = microcontrollers |
| production start = 1977 | | production start = 1977 | ||
| production end = 1992 | | production end = 1992 | ||
| Line 12: | Line 12: | ||
| isa = MB8850 | | isa = MB8850 | ||
| word = 4 bit | | word = 4 bit | ||
| − | | proc = | + | | proc = |
| tech = CMOS | | tech = CMOS | ||
| clock min = 1.0 MHz | | clock min = 1.0 MHz | ||
| Line 20: | Line 20: | ||
| package 3 = QFP48 | | package 3 = QFP48 | ||
}} | }} | ||
| − | 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 [[ | + | 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. |
== Members == | == Members == | ||
| Line 53: | Line 53: | ||
==See also== | ==See also== | ||
| + | * {{fujitsu|MB8840}}, a [[nMOS]] version | ||
* {{fujitsu|MB88500}}, a higher frequency version | * {{fujitsu|MB88500}}, a higher frequency version | ||
| − | + | ||
<!-- | <!-- | ||
{{stub}} | {{stub}} | ||
Latest revision as of 06:32, 4 October 2025
| MB8850/MB8850H Family | |
| |
| Fujitsu MB8855 datecode 1986 week 13 | |
| Developer | Fujitsu |
| Manufacturer | Fujitsu |
| Type | microcontrollers |
| Production | 1977-1992 |
| ISA | MB8850 |
| Word size | 4 bit 0.5 octets
1 nibbles |
| Technology | CMOS |
| Clock | 1.0 MHz-6.0 MHz |
| Package | DIP42, DIP28, QFP48 |
The MB8850/MB8850H series is a family of 4-bit CMOS microcontrollers developed by Fujitsu and introduced in 1977[off?]. This series is architecturally identical to the MB8840 family (An nMOS version). The MB88500 series is a high-speed version of this series.
Contents
Members[edit]
| Family Members | |||||
|---|---|---|---|---|---|
| Part | ROM | RAM | I/O Ports | Instructions | Notes |
| MB8851 | 2K x 8 bit | 128 x 4-bit | 37 | 70 | |
| MB8852 | 2K x 8 bit | 128 x 4 bit | 25 | 69 | |
| MB8853 | 1K x 8 bit | 64 x 4 bit | 37 | 70 | |
| MB8854 | 1K x 8 bit | 64 x 4 bit | 25 | 69 | |
| MB8855 | 2K x 8 bit | 128 x 4-bit | 37 | 70 | |
| MB8856 | 2K x 8 bit | 128 x 4-bit | 25 | 69 | |
| MB8857 | 1K x 8 bit | 64 x 4 bit | 37 | 70 | |
| MB8858 | 1K x 8 bit | 64 x 4 bit | 25 | 69 | |
ISA[edit]
- Main article: MB8850 ISA
The MB8840 family and this have an identical ISA consisting for 60-70 instructions.
Documents[edit]
See also[edit]
Facts about "MB8850 - Fujitsu"
| designer | Fujitsu + |
| full page name | fujitsu/mb8850 + |
| instance of | microcontroller family + |
| instruction set architecture | MB8850 + |
| main designer | Fujitsu + |
| manufacturer | Fujitsu + |
| name | MB8850/MB8850H Family + |
| package | DIP42 +, DIP28 + and QFP48 + |
| technology | CMOS + |
| word size | 4 bit (0.5 octets, 1 nibbles) + |