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    AT898253

    Abstract: AT89S8253 AT89S8253 errata at8982 AT89 3568A
    Text: Errata The following are known problems with Rev. K of the AT898253 device: 1. JBC to TF0, TF1, TF2, IE0, IE1, EXF2 JBC may cause a loss of interrupt information if used with any interrupt flag see item #2 for SCON . Therefore JBC should not be used to poll for interrupt flags.


    Original     		PDF AT898253 AT89S8253 AT89S8253 errata at8982 AT89 3568A

    AT898253

    Abstract: at8982 at89 AT89S8253 AT89S8253 errata
    Text: Errata The following are known problems with Rev. J of the AT898253 device: 1. Watchdog Timer Settings The watchdog timer is always stuck in the shortest setting PS2=PS1=PS0=0, 16K cycles . Workaround: None. The user is restricted to the above limitation. Rev K removes this problem.


    Original     		PDF AT898253 AT89S8253 at8982 at89 AT89S8253 AT89S8253 errata