This CPU was used for the CDMS in the Rosseta spacecraft.[1][2] "CDMS is in charge of controlling the whole Lander operation, including preparations for separa

This CPU was used for the CDMS in the Rosseta spacecraft.[1][2] "CDMS is in charge of controlling the whole Lander operation, including preparations for separation from the orbiter, thermal and power management, as well as separation, descent and touch down. In addition to playing an essential role in controlling the whole landing scenario, CDMS has the following tasks to perform on the comet’s surface: to receive and execute telecommands coming from Earth, to collect and send science and housekeeping information of Lander’s subsystems and scientific experiments to Earth, and to control the sequencing of science operations." "The Harris RTX2010 processor has been selected for the DPU boards, because it has a very low power consumption. This space qualified, radiation hardened 16 bit processor has such features that make it possible to provide the complicated functions that CDMS has to perform. It is a stack based FORTH oriented processor. All the software components have been written in FORTH language with its exotic and challenging instruction set. CDMS is a real-time controller and data acquisition system and it has to process tasks in parallel. Consequently, a pre-emptive, real-time multi-tasking, operating system has been developed to run application tasks and all the required functions in parallel. All the parts of CDMS on-board software are specifically developed for this project. Unfortunately, there was no development environment for this type of processor on the market for creating real-time systems so first of all we had to create our own cross development platform. Our operating system provides system calls for using all of the hardware components and many features to make the application tasks more efficient." [1] http://www.sgf.hu/pr-rosetta-cdms.html http://www.sgf.hu/pr-rosetta-cdms.html [2]https://www.researchgate.net/publication/234265387_Embedded_Computer_System_on_the_Rosetta_Spacecraft https://www.researchgate.net/publication/234265387_Embedded_...