Motorola 96000

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The Motorola 96XXX (aka 96000, 96K) is a family of digital signal processor (DSP) chips produced by Motorola. They are based on the earlier Motorola 56000 and remain software compatible with them, but have been updated to a full single-precision (32-bit) floating point implementation that is compliant with the IEEE 754-1985 standard.^[1]

Many of the design features of the 96000 remain similar to the 56000. In architectures 96000, the stack area is allocated in a separate address space, which is called "Stack Memory Space",^[2] distinct from the main memory address space.^[3] The stack, which is used when subroutine calls and "long interrupt"s, is fifteen in depth.^[3] While the 56000 is equipped with two 56-bit accumulators, each of which can be partitioned into one 8-bit extension register and two 24-bit registers,^[4] the 96000 is equipped with ten 96-bit registers, each of which can be partitioned into three 32-bit sub-registers.^[5]

Unlike the 56K, the 96000 "family" consisted of a single model, the 96002. It was nowhere near as successful as the 56K, and was only produced for a short period of time. Today its role is filled by products based on the so-called Motorola StarCore.

The 96000 offers an Assembler and an Instruction set simulator as part of its development tool.^[6]^[7]

References

[edit]

^ "DSP96002 32-BIT DIGITAL SIGNAL PROCESSOR USER'S MANUAL" (PDF). p. 54(5 - 1). Retrieved 2023-11-08.
^ "DSP96002 32-BIT DIGITAL SIGNAL PROCESSOR USER'S MANUAL" (PDF). p. 27(3 - 4). Retrieved 2023-12-24.
^ ^a ^b "DSP96002 32-BIT DIGITAL SIGNAL PROCESSOR USER'S MANUAL" (PDF). p. 50(4 - 11). Retrieved 2023-12-24.
^ "DSP56000 24-BIT DIGITAL SIGNAL PROCESSOR FAMILY MANUAL" (PDF). p. 37(3 - 7). Archived from the original (PDF) on 2019-01-19. Retrieved 2023-12-18.
^ "DSP96002 32-BIT DIGITAL SIGNAL PROCESSOR USER'S MANUAL" (PDF). p. 41(4 - 2). Retrieved 2023-12-18.
^ "MOTOROLA DSP ASSEMBLER REFERENCE MANUAL" (PDF). Retrieved 2023-11-10.
^ "MOTOROLA DSP SIMULATOR REFERENCE MANUAL" (PDF). Retrieved 2023-11-11.

v t e List of Motorola digital signal processors (DSPs)
Motorola DSP560XX (24-bit) Motorola DSP566XX (16-bit) Motorola DSP563XX (16/24-bit) DSP568XX (DSPcontroller) Motorola DSP96XXX (32-bit)

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