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How many additional registers does DSP56000 have?(a) 2(b) 4(c) 6(d) 8I had been asked this question at a job interview.My question comes from The Berkeley RISC Model and Digital Signal Processing topic in portion Embedded Processors of Embedded Systems

Answer» RIGHT choice is (b) 4

Easy explanation: In addition to the six registers of DSP56000, it has four 24-bit registers X1, X0, Y1, Y0 which can be CONCATENATED to form 48 bit register X and Y.


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