Semiconductor & Computer Engineering
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SM - Sharp
| 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]
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ISA[edit]
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Documents[edit]
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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) + |