• SECURITY LOCK BITS >> LB2
    Hello, We are using Philips 89C52X2BN Micro controller with external 128K EPROM with Code Banking, We keep very little code in micro controller with jump instruction to external eprom. Recently...
  • AT89C51 HSB Security Bits
    Hi, I am trying to unlock the security on a AT89c51 processor to call subroutines in external flash. When I do an LCALL from internal flash and a RET from external flash, the processor reboots...
  • Disable/remove security bits in P89C51RD2
    Hi, I am working with P89C51RD2HBA(PLCC package). When I start to download .hex files using flash magic , "Security bit 1 is set" message is displayed. And from ISP->ReadSecurity, I come...
  • Setting the program security byte in the f330
    How does one set the program memory page lock byte when downloading the program to the part? I would think that this could be accomplished from the linker/locater but can find no reference to it in the...
  • code memory in bytes or bits
    I am using UVision2 V2.40a Version compiler. It has generated .m52 file & given below in information at the end of the file. Program Size: data=122.1 xdata=984 code=26914 LINK/LOCATE RUN COMPLETE...