INTEL 80486 DATASHEET PDF

September Learn how and when to remove this template message. Retrieved May 20, EISA offered a number of attractive features such as increased bandwidth, extended addressing, IRQ sharing, and card configuration through software rather than through jumpers, DIP switches, etc. The Motorola performance lagged behind the later production systems. The 8 KB, 4-way set associative, write-back policy, cache was unified for both the data and instructions. Intel Intel ADX However, problems continued when the DX was installed in local-bus systems due to the high bus speed, making it rather unpopular with mainstream consumers, as local-bus video was considered a requirement intsl the time, though it remained popular with users of EISA systems.

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Description[ edit ] Features and performance[ edit ] The series was generally intended for embedded systems , as microcontrollers with external memory. Therefore, to reduce the number of integrated circuits required, it included features such as clock generator , interrupt controller , timers , wait state generator, DMA channels, and external chip select lines. Multiply and divide also showed great improvement being several times as fast as on the original and multi-bit shifts were done almost four times as quickly as in the A useful immediate mode was added for the push, imul, and multi-bit shift instructions.

These instructions were also included in the contemporary and in successor chips. Die of Intel 80C Uses[ edit ] In personal computers[ edit ] The would have been a natural successor to the in personal computers. In addition to the above examples of stand-alone implementations of the for personal computers, there was at least one example of an "add-in" accelerator card implementation: the Orchid Technology PC Turbo , [6] released in Other devices[ edit ] The Intel is intended to be embedded in electronic devices that are not primarily computers.

For example: the was used to control the Microtek in-circuit emulator [7] its offshoot, Intel was embedded inside the Intel

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INTEL 80486 DATASHEET PDF

Description[ edit ] Features and performance[ edit ] The series was generally intended for embedded systems , as microcontrollers with external memory. Therefore, to reduce the number of integrated circuits required, it included features such as clock generator , interrupt controller , timers , wait state generator, DMA channels, and external chip select lines. Multiply and divide also showed great improvement being several times as fast as on the original and multi-bit shifts were done almost four times as quickly as in the A useful immediate mode was added for the push, imul, and multi-bit shift instructions. These instructions were also included in the contemporary and in successor chips.

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