• How to initialize Phillip 89c668
    Hi Could anyone help me to initialize 89c668. I use RTX51.And I use internal ROM and internal RAM.I have write a simple code in it,but it can not run at all. AUXR &= 0xfd; WDTRST= 0x1e; WDTRST...
  • Does the MCBx51 Evaluation Board also support 89C668?
    I read the User's Guide of the above mentioned MCBx51 Evaluation Board and I saw that, next to the 'common' 8051 cores, also some 'exotic' versions are supported, such as 8xC664 (pg. 28 of the User's...
  • looking for example program for display a clock HH:MM:ss with 89C668
    I am a beginner and am looking for example code to make a clock or a timer with 89C668. using 7 segment or small LCD.
  • Problems with UART on a Philips P8xCL883
    Hi, I'm a Dutch student busy with my in internship where I have to make an application with a Philips P8xCL883 microcontroller. I would like to use UART to send and receive strings from a PC, but I can...
  • A strange problem with Philips 89C51RD2
    Using Keil RTX51 Tiny Real Time Kernel I experienced a strange behaviour with Philips micros mentioned above. To allow an interrupt in a routine in the last instruction before RET destroyed the return...