If it is a MPU instruction, the MPU executes it; otherwise the coprocessor executes it. It can be seen that this solution is feasible, but by no means simple, as it would be difficult to keep the MPU and coprocessor in step. Another technique is to equip the microprocessor with a special bus to communicate with the external coprocessor...
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Whenever the microprocessor encounters an operation that requires the intervention of the coprocessor, the special bus provides a dedicated high- speed communication between the MPU and the coprocessor. Once again, this solution is not simple. There are more methods of connecting two (or more) concurrently operating processors, which will be covered in more detail during the specific discussions of the Intel and Motorola floating point coprocessors...
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Floating Point Coprocessors If it is a MPU instruction, the MPU executes it; otherwise the coprocessor executes it. It can be seen that this solution is feasible, but by no means simple, as it would be difficult to keep the MPU and coprocessor in step...	11 / 2916
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