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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PD780 датащи(PDF) 1 Page - NEC |
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PD780 датащи(HTML) 1 Page - NEC |
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1 / 24 page  NEe NEC Electronics Inc. Description The /JPD780 IS a microprocessor that utilizes a highly consistent architectural organization, a comprehen sive instruction set that is a superset of the industry standard 8080A instruction set, and third-generation technology, to provide a flexible, high-performance, ef ficient CPU easily adaptable to a very broad range of industrial and commercial applications. All software developed on 8080A-based systems may be run on 780-based systems as a subset of the full 780 instruction set. In addition, the NEC /JPD780 is ful ly pin-compatible and software-compatible with the Z80® microprocessor and is therefore perfectly suited for CP/M@ designs. The NEC /JPD780 provides system deSigners with powerful, wide-range logic capability that requires minimal additional circuitry to complete a microcomputer system. The output signals of the /JPD780 are fully decoded and signal timing is fully compatible with industry standard memory and peripheral devices. Two faster versions of the basic �PD780 (2.5 MHz master clock rate) are offered by the /JPD780-1 (4 MHz master clock rate) and the /JPD780-2 (6 MHz master clock rate). Other than clock rates, all three versions are identical. Features D Powerful, wide-range logic capability requiring minimal support circuitry D Fully Z80® -compatible D Industry-standard 8080A software compatibility D CP/M@ -compatible D Comprehensive, powerful instruction set featuring 158 instruction types D Vectored, multilevel interrupt structure D Highly consistent architectural structure featuring dual register set D Foreground/background programming D Automatic refreshing of external dynamic memory D Signal timing compatible with industry-standard memory and peripheral devices D TTL-compatible signals D Single-phase +5 V clock and +5 V DC power supply ® ZBO is a registered trademark of Zilog, Inc. • CP/M is a registered trademark of Digital Research Corporation. IJPD780 HIGH·PERFORMANCE CP/M®·COMPATIBLE NMOS 8·BIT MICROPROCESSOR Pin Configuration A,O A. A13 As A,. A7 A,. As As O. A4 O. A3 A. A, +5V Ao O. RFSH BUSAK WR iffi 83.()()()8nA Ordering Information Part Max Frequency Number Package� of Operation I'P 078 0C 40 -pin plastic 01P 2.5 MHz I'P 0780C - l 40 -pin plasticDIP 4 MHz I'PD 780C -2 40 -pin plastic DIP 6 MHz 4-3 |
Аналогичный номер детали - PD780 |
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Аналогичное описание - PD780 |
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