Semiconductor & Computer Engineering
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OLMS-50 - OKI
| OKI OLMS-50 | |
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| Developer | OKI |
| Manufacturer | OKI |
| Type | microcontrollers |
| Production | 1979 |
| ISA | OLMS-50 |
| Word size | 4 bit 0.5 octets
1 nibbles |
| Technology | CMOS |
| Package | DIP56, QFP80 |
OLMS-50 was a family of 4-bit microcontrollers developed by OKI released in 1979. This family was a low-power version of the OLMS-40 family.
Members
| Part | ROM | RAM | I/O | Stack | Inst. | Frequency | Package | Notes |
|---|---|---|---|---|---|---|---|---|
| MSM5052 | 1280x14 b | 62x4 b | - | - | 42 | 32.768 kHz | QFP80, DIP56 | 52 Seg. LCD Driver + built-in temperature circuit |
| MSM5054 | 1024x14 b | 62x4 b | - | - | 40 | 32.768 kHz | 88 Seg. LCD Driver | |
| MSM5055 | 1792x14 b | 94x4 b | - | - | 42 | 32.768 kHz | 120 Seg. LCD Driver | |
| MSM5056 | 1792x14 b | 94x4 b | - | - | 42 | 32.768 kHz | 76 Seg. LCD Driver |
Design
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ISA
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Facts about "OLMS-50 - OKI"
| designer | OKI + |
| full page name | oki/olms-50 + |
| instance of | microcontroller family + |
| instruction set architecture | OLMS-50 + |
| main designer | OKI + |
| manufacturer | OKI + |
| name | OKI OLMS-50 + |
| package | DIP56 + and QFP80 + |
| technology | CMOS + |
| word size | 4 bit (0.5 octets, 1 nibbles) + |