• Regarding p89c51rd2
    Dear Sir; Currently am doing Project in p89c51rd2 and using the Header file REG51F.h. After my code compile it will show the error "Data Segment too large". How can i reduce this or avoid this...
  • P89c51rd2 Ram Address problem
    Dear all, My project is using P89c51rd2 added an external ram(8k). Accroding to the data sheet the memory model of P89c51rd2 is that: 0-7f lower 128 byte 80-ff Higner 128 byte 100-3fff ERAM ...
  • P89C51RD2 PCA interrupt problem
    Hi everybody, I'm working on P89V51RD2 at 11.0592Mhz from NXP with Keil uVision3, and I have got a problem on the PCA interrupts. The code I'm going to show you, is the simplified version of my...
  • P89c51rd2 + Keil problem
    Hello, I am using a P89c51rd2 based board .I have installed FlashMon on the microcontroller and I am trying to use the Keil software to develop small applications. I can connect to the monitor on my...
  • AT24C512 problem with P89C51RD2
    Hi!, I've written a code for I2C communication which works fine for almost all I2C devices. Now I'm using the same code for using with AT24c512 EEPROM. I can read and write a byte to it perfecty...