RTX2010 explained

RTX 2010
Slowest:8
Slow-Unit:MHz
Manuf1:Intersil
Data-Width:8 and 16
Address-Width:20

The RTX2010, manufactured by Intersil, is a radiation hardened stack machine microprocessor which has been used in numerous spacecraft.

Characteristics

It is a two-stack machine, each stack 256 words deep, that supports direct execution of Forth. Subroutine calls and returns only take one processor cycle and it also has a very low and consistent interrupt latency of only four processor cycles, which lends it well to realtime applications.

History

In 1983, Chuck Moore implemented a processor for his programming language Forth as a gate array. As Forth can be considered a dual stack virtual machine, he made the processor, Novix N4000 (later renamed NC4016), as a dual-stack machine. In 1988, an improved processor was sold to Harris Semiconductor, who marketed it for space applications as the RTX2000.[1]

Example spacecraft that use the RTX2010

External links

Notes and References

  1. US . 5070451A . Expired . Forth specific language microprocessor . 1991-12-03 . 1989-04-10 . Moore, Charles H. . Murphy, Robert W. . Intersil .

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