Semiconductor & Computer Engineering
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Difference between revisions of "sharp corporation/sm"
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| − | The '''SM''' ('''S'''harp '''M'''icrocomputer) was a [[microprocessor family|family]] of {{arch|4}} [[microcontroller]]s introduced by [[Sharp]] introduced in 1975. | + | The '''SM''' ('''S'''harp '''M'''icrocomputer) was a [[microprocessor family|family]] of {{arch|4}} [[microcontroller]]s introduced by [[Sharp Corporation|Sharp]] introduced in [[1975]]. |
| − | This series was known for the SM-4 model introduced in 1977, one of the earliest commercial [[CMOS]] [[microcontroller]]s manufactured and the first commercial Japanese CMOS MCU. | + | This series was known for the SM-4 model introduced in [[1977]], one of the earliest commercial [[CMOS]] [[microcontroller]]s manufactured and the first commercial Japanese [[CMOS]] MCU. |
| − | |||
| − | |||
== Members == | == Members == | ||
{| class="wikitable sortable" | {| class="wikitable sortable" | ||
| Line 36: | Line 34: | ||
! Part !! Tech !! ROM !! RAM !! Description | ! Part !! Tech !! ROM !! RAM !! Description | ||
|- | |- | ||
| − | | {{\|SM-1}} || pMOS || 882 B || | + | | {{\|SM-1}} || [[pMOS]] || 882 B || 48x 4-bit || |
|- | |- | ||
| − | | {{\|SM-2}} || pMOS || 1 kB || | + | | {{\|SM-2}} || [[pMOS]] || 1 kB || 64x 4-bit || |
|- | |- | ||
| − | | {{\|SM-3}} || pMOS || 2 kB || | + | | {{\|SM-3}} || [[pMOS]] || 2 kB || 128x 4-bit || |
|- | |- | ||
| − | | {{\|SM-4}} || CMOS || 2 kB || | + | | {{\|SM-4}} || [[CMOS]] || 2 kB || 96x 4-bit || built-in LCD driver, optional external 1K RAM |
|- | |- | ||
| − | | {{\|SM-5}} || CMOS || 1,792 B || | + | | {{\|SM-5}} || [[CMOS]] || 1,792 B || 65x 4-bit || built-in LCD driver |
|- | |- | ||
| − | | {{\|LI3010}} || CMOS || || | + | | {{\|LI3010}} || [[CMOS]] || || 96x 4-bit || Evaluation Device (external PROM hookup) |
|} | |} | ||
| + | |||
| + | == Calculators Chipsets == | ||
| + | * [http://www.datamath.org/SHARP_IC.htm Sharp IC] | ||
== Design == | == Design == | ||
Latest revision as of 18:36, 15 November 2025
| Sharp SM Series | |
.svg)
| |
| Developer | Sharp |
| Manufacturer | Sharp |
| Type | microcontrollers |
| Introduction | 1974 (announced) |
| Production | 1975 |
| ISA | SM |
| Word size | 4 bit 0.5 octets
1 nibbles |
| Technology | pMOS, CMOS |
The SM (Sharp Microcomputer) was a family of 4-bit microcontrollers introduced by Sharp introduced in 1975.
This series was known for the SM-4 model introduced in 1977, one of the earliest commercial CMOS microcontrollers manufactured and the first commercial Japanese CMOS MCU.
Members[edit]
| Part | Tech | ROM | RAM | Description |
|---|---|---|---|---|
| SM-1 | pMOS | 882 B | 48x 4-bit | |
| SM-2 | pMOS | 1 kB | 64x 4-bit | |
| SM-3 | pMOS | 2 kB | 128x 4-bit | |
| SM-4 | CMOS | 2 kB | 96x 4-bit | built-in LCD driver, optional external 1K RAM |
| SM-5 | CMOS | 1,792 B | 65x 4-bit | built-in LCD driver |
| LI3010 | CMOS | 96x 4-bit | Evaluation Device (external PROM hookup) |
Calculators Chipsets[edit]
Design[edit]
 |
This section is empty; you can help add the missing info by editing this page. |
ISA[edit]
| |
This section is empty; you can help add the missing info by editing this page. |
Documents[edit]
 |
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 "SM - Sharp"
| designer | Sharp + |
| first announced | 1974 + |
| full page name | sharp corporation/sm + |
| instance of | microcontroller family + |
| instruction set architecture | SM + |
| main designer | Sharp + |
| manufacturer | Sharp + |
| name | Sharp SM Series + |
| technology | pMOS + and CMOS + |
| word size | 4 bit (0.5 octets, 1 nibbles) + |