Semiconductor & Computer Engineering
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μPD546 (μCOM-43) - NEC
| NEC μCOM-43 | |
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| |
| Manufacturer | NEC |
| Model Number | μCOM-43 |
| Part Number | μPD546 |
| Introduction | 1977 (launch) |
| General information | |
| Family | μCOM-43 |
| Clock | 150 kHz-440 kHz |
| Microarchitecture | |
| Microarchitecture | μCOM-43 |
| Technology | pMOS |
| Word size | 4 bit 0.5 octets
1 nibbles |
| Electrical | |
| Op. Temp | -10 °C – 70 °C |
| Supply VDD | -10 V |
| Supply VSS | 0 V |
| Memory | |
| RAM | 48 B 4.8e-5 MB (96x4 bit)
0.048 kB 384 b 4.8e-8 GB |
| ROM | 2.5 kB 0.0025 MB (2000x10 bit)
2,500 B 20,000 b 2.5e-6 GB |
| Stack | 3 levels |
| Pins | |
| Pins | 42 |
| IRQ lines | 2 |
| I/O ports | 35 |
| Packaging | |
| Package | DIP42 (DIP) |
The μPD546 or μCOM-43 is a general-purpose 4-bit microcontroller introduced in 1977 by NEC.
Contents
Design
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Instruction Set
- Main article: μCOM-42 ISA
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Documents
See also
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Facts about "μPD546 (μCOM-43) - NEC"
| family | μCOM-43 + |
| first launched | 1977 + |
| full page name | nec/μcom-43/μpd546 + |
| instance of | microcontroller + |
| manufacturer | NEC + |
| max operating temperature | 70 °C + |
| microarchitecture | μCOM-43 + |
| min operating temperature | -10 °C + |
| model number | μCOM-43 + |
| name | NEC μCOM-43 + |
| package | DIP42 + |
| part number | μPD546 + |
| pin count | 42 + |
| ram | 4.8e-5 MB (0.048 kB, 48 B, 384 b, 4.8e-8 GB) + |
| ram breakdown | 96x4 bit + |
| rom | 0.0025 MB (2.5 kB, 2,500 B, 20,000 b, 2.5e-6 GB) + |
| rom breakdown | 2000x10 bit + |
| technology | pMOS + |
| word size | 4 bit (0.5 octets, 1 nibbles) + |