Hi !!

I've a Can - DemoKit (T89C51CC01 PLCC44) but I'm not able to get a connection to the FLIP (flexible in system Programm) (Device: T89C51CC01, Settings: RS232 all baud-rates tested...) although I've set all jumpers and dip switches according to the user's manual. (J17 ON, NON Page MODE, J 16 to 1, J9 all to 1, J11 all to 1 except PSEN to 0) (I've typed the reset button before trying to get a connection.... ).
Crystal is on X1 socket and I've tested the data-cable.

Does anybody know what it can be ???

Is the bootloader already downloaded to the MCU ????

thx for help,

sepperl.