USB Connection between MCU and Mobile Phone

I am working on a wireless transceiver to pair with a mobile phone.
I already have a Java midlet that can receive data via the USB cable (It
receives serially using UART though).
I am using the Nordic nRF24LU1 transceiver which has a built-in 8051 MCU.
How do I configure the MCU to send data through its attached USB port via
UART so that I can pair it together with the mobile phone and do serial
communication?

On Dec 27, 8:17 am, "w2k_83" <w2k...@yahoo.com.sg> wrote:
> I am working on a wireless transceiver to pair with a mobile phone.
> I already have a Java midlet that can receive data via the USB cable (It
> receives serially using UART though).
> I am using the Nordic nRF24LU1 transceiver which has a built-in 8051 MCU.
> How do I configure the MCU to send data through its attached USB port via
> UART so that I can pair it together with the mobile phone and do serial
> communication?

You quite likely can't.  It  sounds like you have two usb "device"
devices.  You need one device to have usb "host" capability.  Usb "on
the go" (OTG) is one answer, usb devices that can also be the host,
but unless you've got that on one of your devices you are out of luck
and would need to add a third devices to play host to both of them.