• What does this message means..
    I am using a atmel 89s8252 controller which has 8k flash, 2k eeprom, and 256 ram.. I am using the evaluation version of the keil.. My question is would my program be compiled if i were to use the...
  • What does this warning mean?
    When I 74compile my project I get these errors: **************************************** *** WARNING L1: UNRESOLVED EXTERNAL SYMBOL SYMBOL: ?C_STARTUP MODULE: gf.obj (GF) *** WARNING L1: UNRESOLVED...
  • What does this warning mean?
    When I 74compile my project I get these errors: **************************************** *** WARNING L1: UNRESOLVED EXTERNAL SYMBOL SYMBOL: ?C_STARTUP MODULE: gf.obj (GF) *** WARNING L1: UNRESOLVED...
  • What does "?" mean?
    Hi everyone, Happy new year! I have a quetion about Keil C51,can you give me a hand? Thank you in advance. *** WARNING L15: MULTIPLE CALL TO SEGMENT SEGMENT: ?PR?KEY?KEY CALLER1: ?PR?TIMER0?KEY...
  • XTAL Oscillator
    It is said that 8051 has an on-chip oscillator but requires external clock to run it. What may be the internal circuit for on-chip oscillator, how it runs after connecting crystal oscillator? Also what...