• Difficulty debugging ISR issue.
    I am using the MCBSTM32 evaluation board. I started with the "blinky" project. I wanted to change it so that I could DMA a block of data from the ADC to memory. OK, I did that and it worked fine...
  • Difficulty in understanding PINSEL0 of LPC2378
    PINSEL0 |= 0x40000000; /* Enable TxD1 in P0.15 */ PINSEL1 |= 0x00000001; /* Enable RxD1 in P0.16 */ Howcome P0.15 is represented as 0x40000000 ? I went through the user manual of LPC2378, still...
  • Problems with scatter file configuration
    Hi: I'm using a scatter file in the project options (linker tab) in order to have part of the code running on a different memory region. As an example; IRAM 0x30000000 { ; The executable region...
  • Some difficulties in understanding ISO7816
    Hi all, I am working on java card and ISO7816, I want to follow iso7816 standard roughly, but I am facing difficulties to understand all iso commands,especially the commands that are related to security...
  • DIFFICULTY IN ACCESSING MCU XRAM
    Hi! I'm using Philips P89v51RD2FBC microcontroller. I build my project using Keil version 2.0. After compilation, total memory utillization is: Data: 155.2, Xdata: 327, Const: 2062, Code: 23176 ...