The Free On-line Dictionary of Computing (30 December 2018):
National Semiconductor 32000 32000 NS32000(NS32000) The first of a series of microprocessors from National Semiconductor. The 320xx processors have an interface which allows coprocessors such as FPUs and MMUs to be attached in a chain. The 320xx was the predecessor of the Swordfish processor. [Details?] (1994-11-17)