• Problems with von neumann
    Hi, I've build a small board with a Siemens 80c535, an EPROM and a RAM-module. I want my EPROM from 0x0000 -> 0x7FFF and my RAM from 0x8000 -> 0xFFFF. I use A15 as chipselect, with an inverter to...
  • C code to differentiate between Harvard and vON nUEMAN aRCHI
    hI 1.How can I differentiate between Harvard and Von Nueman Architecture using C code 2.C code to check whether a controller is 8, 16 or 32 bit 3.a memory cell in ROM went bad in the runtime. Wat...
  • RAM Mapping
    Hello, I'm having a little problem to map the RAM memory in my project. I'm using LPC2478 and I have 3 memory banks at 0x80000000 with size 0x200000 0x81000000 with size 0x200000 0x82000000 with...
  • The ram area map in the link
    Dear all, In my project,the internal ram is limit,but some state the ram can overlay,How can define the compiler or link option?such as following. +----------+ | area 1 | stateA | | | | ...
  • physical address, memory mapping
    I would like to know what is meant by a physical address (let say a LCD display at address 0x8000) and how can I access the device. Is it just the chip select that is hardwired to that address? Then how...