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I am implementing a World Time Clock Panel with the 8051 micro-controller, and i am going to use keil uvision3 to download the program to the flash through the USE interface(ATMEL 8051 do not support USE interface ,SO i use FT232BM for USB --> RS232 converting ). But I don't not how to target the hardware (USB interface) by using KEIL. Could anyone tell me how the setting of the KEIL are please?
sorry for my poor English!
"i am going to use keil uvision3 to download the program to the flash through ... USB --> RS232 converting"
Now you say your chip is an "AT89C51" - are you sure that can programmed via RS232??
Check the Datasheet: http://www.keil.com/dd/chip/2976.htm
Or have you not given the full part number - with all prefix & suffix letters & digits...?