Semiconductor & Computer Engineering
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OLMS-40 - OKI
| OKI OLMS-40 | |
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| Developer | OKI |
| Manufacturer | OKI |
| Type | microcontrollers |
| Introduction | 1978 (announced) |
| Production | 1979 |
| ISA | OLMS-40 |
| Word size | 4 bit 0.5 octets
1 nibbles |
| Technology | CMOS |
| Clock | 32 kHz-4.2 MHz |
| Package | DIP28, DIP42, FP32, FP44, FP60 |
OLMS-40 was a family of 4-bit microcontrollers developed by OKI announced in 1978 and released in 1979. OKI also introduced the OLMS-50/OLMS-60/OLMS-65, a low-power version of this family and OLMS-64 a high-frequency version.
Contents
Members[edit]
| Part | ROM | RAM | I/O | Stack | Inst. | Frequency | Package | Notes |
|---|---|---|---|---|---|---|---|---|
| MSM5840 | 2048x8 b | 128x4 b | 8 | 4 | 98 | 4.2 MHz | DIP42, FP44 | |
| MSM5842 | 768x8 b | 32x4 b | 8 | 1 | 52 | 4.2 MHz | DIP28, FP32 | |
| MSM58421 | 1536x8 b | 40x4 b | 8 | 1 | 52 | 4.2 MHz | FP60 | |
| MSM58422 | 1536x8 b | 40x4 b | 8 | 1 | 52 | 4.2 MHz | FP60 | |
| MSM5847 | 1536x8 b | 96x4 b | 7 | 2 | 43 | 32 kHz | FP44 |
Design[edit]
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ISA[edit]
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See also[edit]
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Facts about "OLMS-40 - OKI"
| designer | OKI + |
| first announced | 1978 + |
| full page name | oki/olms-40 + |
| instance of | microcontroller family + |
| instruction set architecture | OLMS-40 + |
| main designer | OKI + |
| manufacturer | OKI + |
| name | OKI OLMS-40 + |
| package | DIP28 +, DIP42 +, FP32 +, FP44 + and FP60 + |
| technology | CMOS + |
| word size | 4 bit (0.5 octets, 1 nibbles) + |