• Memory mapping
    Hello, Im new one in ARM7 familly. I would like to ask for several question. 1) How to use external EPROM with LPC 2132? 2) How to use ARM RAM for LCD buffer? Copy from the flash etc... 3) How to...
  • Memory mapping
    In LPC21xx ARM7 MCUs, when the MEMMAP[1:0]register=00 ,ie in bootloader mode,the interrupts are mapped from on chip flash to a new location at 0x7FFF E008.But this address is somewhere near 2GB in addres...
  • Memory mapping
    Hello all, What is the need for memory remapping in ARM?What are the pros and cons? Will there be a time difference in time while fetching a data from a on chip ROM and an off chip flash memory...
  • Connecting LCD in memory map mode to Microcontroller
    Hi All LCD is connected to 89C51RD2,its control lines RS,R/W & E are connected to p1.1,p1.2 & p1.3 rspv. Decoder is used for enabling SRAM,RTC,PPI. Rest all port lines of microcontroller are occupied...
  • memory map
    *** error 65: access violation at 0x40023800 : no 'read' permission 要如何設定memory map (Keil uVision5軟體)