external ram addressing ( CompactFlash) with AT89C51SND1

Hi, I try to communicate with an compactflash with external memory (movex). My microcontroler is AT89C51SND1 My initial values : extern xdata Byte volatile CF_SECTOR_COUNT _at_ 0x1F2; ...
Problems with Flashmon when debugging AT89C51SND1

Enviroment: KEIL DK51 IDE AT89c51SND1 demo board v2.2 Sample APP from KEIL CD Problems: 1. FlashMon preloaded to cpu thru USB according to guide. Debigger can't communicate with borad in auto baudrate...
external ram addressing ( CompactFlash) with AT89C51SND1

Hi, I try to communicate with an compactflash with external memory (movex). My microcontroler is AT89C51SND1 My initial values : extern xdata Byte volatile CF_SECTOR_COUNT _at_ 0x1F2; ...
Problems with Flashmon when debugging AT89C51SND1

Enviroment: KEIL DK51 IDE AT89c51SND1 demo board v2.2 Sample APP from KEIL CD Problems: 1. FlashMon preloaded to cpu thru USB according to guide. Debigger can't communicate with borad in auto baudrate...
Suggest changes to the code for matrix keypad

I wrote this code for displaying the key on the LCD that is pressed in the matrix keypad. The program is not working in the hardware platform.Kindly suggest changes to the code: #include<reg51.h...