DS89C450 USB programming (no serial port)

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festhead

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DS89C450 USB programming

Hi Everybody,

I've a DS89C450 uC, but i'm not able to program at it.
I found some circuits, but all use serial interfacing.
And i don't have a serial port
Do you know a way around this? I know I can buy a usb to serial convertor, but since usb has 2 I/O en the uC uses only Tx/Rx i'm sure there is a way connecting it directly to my usb port.

Thanks!!

Festhead
 

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