Are you saying that the modem has only a USB interface, and you want to
connect it
to a UART? If so, this cannot be done without something in the middle that
can
provide the USB host port.
There are other NXP parts that provide a USB host interface that may work
better
than an LPC2138.
Mike
-----Original Message-----
From: l... [mailto:l...]On Behalf
Of jignesh
Sent: Thursday, March 22, 2012 4:57 AM
To: l...
Subject: [lpc2000] lpc2138 usb modem interface
hey can anyone help me out with my project. i want to interface a usb modem
with lpc2138 via uart0. please provide me with necessary circuit diagrams..
