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<p>The hardware architecture and software capabilities of the TMS320C40 floating-point digital signal processor are described. The C40 operates at 275 million operations per second (MOPS) and transfers data at a rate of 320 Mbytes/s with a 40-ns cycle time. A key architectural feature of the C40 for parallel computing is the six parallel bidirectional communication ports that permit direct connection and communication between processors in a parallel system. Examples illustrating the use of the C40 in a parallel processing environment are discussed.</p>

P. Koeppen et al., "Floating-Point Processors Join Forces in Parallel Processing Architectures," in IEEE Micro, vol. 12, no. , pp. 60-69, 1992.
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