SAB8031 Hidden Part :o)

Some "ROMless" 8031 MCS51 series device are known to be rebadged 8051 that contain useless ROMcode. During experiments with a SAB8031A-P, I noticed the microcontroller was sending data through the UART TX pin. A terminal emulator showed interesting information.

The ROMcode of the controller has been read out and can be found here:

  © Robert Rottmerhusen 2010  ♦  Update: 2009-11-25  ♦  feedback☺ up English Deutsch