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Topics - YJ

#1
P89V51Rx2/P89LV51Rx2 / P89LV51RD2 ISP Entry mode
January 21, 2008, 11:20:33 PM
I am now use the latest version of bootloader for my RD2 device, and i want to specific a port pin to determine if the device execute the user's code or enter the autobaud sequence of ISP mode.But my P89LV51RD2 device have a old bootloader version which is V5,so i must to update my bootloader first,then use the "ISP Entry mode" command to set my GPIO pin,and then download my own code.My question as follow:
1, Can I change the default ISP entry mode by modity the HEX file of latest version bootloader?
2, Can I combine the bootloader and my own code to one HEX file and use one clik programming?

Sorry for my English,Thanks a lot.