PL2303 driver guide ?


I am writting a firmware to connect an embedded USB host with the Prolific
PL2303 USB-RS232 chip. The PL2303 chip is used to get data from some
RS232-enabled devices and then transfer these data to the USB host. Now I
need detailed information about PL2303's specification and operation, to
develope the appropriate driver for it.
I have been searching for some PL2303 driver or programming guides but
haven't found any of them yet.

Has anybody worked with PL2303 ? Please give me some help !

Thanks,
N.L.Trung
.

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