• Programmer for Philips 8031
    I have a few PHILIPS 8031 chips in 40 pin package. They cannot be programmed with Flashmagic most probably because the bootloader is corrupted. I looked at a few Universal Programmers on ebay etc. but...
  • Watchdog reset Philips 89v51RD2
    Hello All! I want to reset 89v51RD2 in less than 1 ms after external Interrupt. i wrote this code void external(void) interrupt 0 // External INT0 ISR { EA = 0; // interrupt disable WDRE=1;...
  • Reset Behaviour on Philips LPC2148
    I have problems when I start debugging using the Keil ULINK USB-JTAG Adapter. The ULINK driver displays the message: JTAG Communication Failure! I have MCB2140 Evaluation Board, and I reading...
  • 8031 POST (power on self test)
    I'm not having much success in finding an 8031 POST (power on self test) online. I'd be especially interested in tests from a microprocessor manufacturer. For example, are there published tests to...
  • Re: Connection of 8031 , 27c512 and 82c55
    Hi, In one of my project i connected 8031, 27c256 and 8255.Here the A15 line is given common to Chip enable of EPROM and also connected to G1-pin of address decoder via a NAND gate. So if the...