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Is ARM a Von Neumann or Harvard architecture?
It depends what ARM you're talking about. The ARM7 uses the Van Neumann bus architecture (one bus for both data and instructions, and never both at the same time). The ARM9 uses a Harvard bus architecture (separate buses, one each for data and instructions). ...
Asked in C Programming, Robotics
Can interactive c be used for processors other than Motorola 6811?
I know of 3 different C interpreters that are interactive. (As opposed to many, many C compilers that are not interactive). They are: * PicoC : (currently) runs on x86, powerpc, arm, and blackfin processors, and is being ported to other processors. * Interactive C by Newton Research Labs apparently only runs on the 68HC11 (Handy Board) * Interactive C by KISS Institute for Practical Robotics apparently runs on the 68HC11 (Handy Board), the Hitachi H8/300 (Lego RCX), and the ARM7 (Xport Botball Controller). ...
Asked in Microprocessors
Why arm7 processor is not a perfect risc processor?
There is still considerable controversy among experts about which architecture is better. Some say that RISC is cheaper and faster and therefor the architecture of the future. Others note that by making the hardware simpler, RISC puts a greater burden on the software. Software needs to become more complex. Software developers need to write more lines for the same tasks. Therefore they argue that RISC is not the architecture of the future, since conventional CISC chips are becoming faster and cheaper anyway. RISC has now...