• DS87C550 A/D Converter
    Hello, I have tried to use the ADC of a DS87C550 revision A7. But I get no correct value. I wrote a program step by step like the datasheet says, but I get no right value. Is the a bug on the revision...
  • Dallas DS87C550 vs C51 V3.96
    I am using Keil C51 V3.96 (quite old) to develop the firmware for DS87C550. I can generate the code that runs correctly. But if I try to add some new & short codes, the progrm will run incorrectly. There...
  • Firmware (using RTXTiny) 80C552 -> Dallas DS87C550
    Hi there, is anybody experienced in migrating existing software to the DS87C550? I have an existing software, that I didn't write, that was running on the 30MHz Version of the 80c552. This processor...
  • Ask how to load code for DS80C320 or DS87C550 and DS87C530
    Hello! I have a question. I wonder how can i load the hex file (program load) for some Dallas chip which derive from 8051 Microcontroller such as DS80C320 or DS87C550 and DS87C530 for 8051...
  • Ask how to load code for DS80C320 or DS87C550 and DS87C530
    Hello! I have a question. I wonder how can i load the hex file (program load) for some Dallas chip which derive from 8051 Microcontroller such as DS80C320 or DS87C550 and DS87C530 for 8051...