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| package type = DIP | | package type = DIP | ||
}} | }} | ||
− | The '''μPD557L''' or '''μCOM-43SL''' is a general-purpose {{arch|4}} [[microcontroller]] introduced in | + | The '''μPD557L''' or '''μCOM-43SL''' is a general-purpose {{arch|4}} [[microcontroller]] introduced in 1981 by [[NEC]]. This MCU is part of the {{nec|μCOM-43|μCOM-43 family}}. This model is capable of being pulled to -35V, allowing direct driving of [[Vacuum Fluorescent Display]]s. |
== Design == | == Design == | ||
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== Instruction Set == | == Instruction Set == | ||
{{main|nec/μcom-4/isa|l1=μCOM-4 ISA}} | {{main|nec/μcom-4/isa|l1=μCOM-4 ISA}} | ||
− | + | {{empty section}} | |
== Documents == | == Documents == | ||
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== References == | == References == | ||
− | + | *NEC Electronics (Europe) GmbH, 1982 Catalog, "μCOM-4: 4-Bit Single Chip Microcomputer Family", 159-160 pp. | |
− | |||
− | *NEC Electronics (Europe) GmbH, 1982 Catalog, "μCOM-4: 4-Bit Single Chip Microcomputer Family | ||
== See also == | == See also == |
Facts about "μPD557L (μCOM-43SL) - NEC"
family | μCOM-43 + |
first launched | 1981 + |
full page name | nec/μcom-43/μpd557l + |
instance of | microcontroller + |
manufacturer | NEC + |
max operating temperature | 70 °C + |
microarchitecture | μCOM-4 + |
min operating temperature | -10 °C + |
model number | μCOM-43SL + |
name | NEC μCOM-43SL + |
package | DIP28 + |
part number | μPD557L + |
pin count | 28 + |
ram | 4.8e-5 MB (0.048 kB, 48 B, 384 b, 4.8e-8 GB) + |
ram breakdown | 96x4 bit + |
rom | 0.002 MB (2 kB, 2,000 B, 16,000 b, 2.0e-6 GB) + |
rom breakdown | 2000x8 bit + |
technology | pMOS + |
word size | 4 bit (0.5 octets, 1 nibbles) + |