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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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MAS281 Fiches technique(PDF) 1 Page - Dynex Semiconductor |
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MAS281 Fiches technique(HTML) 1 Page - Dynex Semiconductor |
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1 / 55 page  MAS281 1/55 The MAS281 Microprocessor is a MIL-STD-1750A (Notice 1), 16-bit Central Processing Unit (CPU). It consists of three CMOS/SOS large-scale integration (LSI) chips: the MA17501 Execution Unit (EU), the MA17502 Control Unit (CU), and the MA17503 Interrupt Unit (IU). These three units can be mounted on, and interconnected within a 64-pin ceramic substrate. The microprocessor is also available as a 3-chip set without the ceramic substrate (see ordering information on page 55). The MAS281 is optimised for real-time l/O and arithmetic intensive operations. Key performance-enhancing features include a parallel multiplier/accumulator, 32-bit barrel shifter, instruction pre-fetch queue, and multiport register file. Additional features include a comprehensive Built-ln-Test (BIT), interval timers A and B, trigger-go counter, and Start-Up ROM interface. In accordance with MIL-STD-1750A, the MAS281 supports a 64K-word address space. An optional BMA31751 Memory Management Unit/Block Protect Unit (MMU(BPU)) chip may be added externally to expand this address space to 1M-words or add a 1K-word memory block protection capability, The MAS281 is offered in several screening grades which are described in this document. For availability of speed grades, please contact Dynex Semiconductor. BLOCK DIAGRAM FEATURES s MIL-STD-1750A 16-Bit Microprocessor s Full Performance over Military Temperature Range (-55 °C to + 125°C) s Radiation Hard CMOS/SOS Technology s Performance Optimised Architecture - Parallel Multiplier/Accumulator - 32-bit Barrel Shifter - Instruction Pre-Fetch - Multi-Port Register File s Implements MlL-STD-1750AOptions - Timers A and B - Trigger-Go Counter - Start-Up ROM Interface s 64 K-word Address Space Expandable to 1 M-word with Optional MMU MAS281 MIL-STD-1750A Microprocessor Replaces June 1999 version, DS3563-4.0 DS3563-5.0 January 2000 |
Numéro de pièce similaire - MAS281 |
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Description similaire - MAS281 |
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