• problem in interfacing external RAM
    I am using P89LVRD2BN which has 768 XDATA RAM.I tried to extend my XDATA by providing external RAM through 74LS373 LATCH. so when I am definig more XDATA variables,I am expecting the variables shuld...
  • External RAM problem
    I am using at89c51re2 mcu with LH52256-70 32k XRAM in system with graphical lCD 128x64. I have problem to initialize LCD. This is part of code where I config pins and select memory location for lcd bus...
  • Problems with external RAM (IDT7008) and MSC1210
    Hi all, I'm using an MSC1210 microcontroller (8052 based) and I've written a little test program for testing an external RAM. Normally it writes in every Kilobyte of memory the same number. For example...
  • Problem while using external RAM
    Hi, I am stuck up a peculiar problem while using 8051 external RAM. I am declaring a variable: unsigned int xdata x _at_ 0xA004; then I equate: x=6; and i display this value on the...
  • Problem while accessing external RAM.
    Hi, I am using AT89S52 MCU as a target device. The idea here is to access (Read/Write) internal registers of an peripheral IC DS21554 from Dallas. I will be accessing this registers as external...