The TNETV1050 IP Phone processor has a USB 1.1 controller and PHY that support either USB host or peripheral. The USB interface allows for a wide variety of possible devices to connect to the phone for user value-add. These devices support applications such as card readers, fingerprint recognition, PDA synchronization, video conferencing, etc. The TNETV1050/1055 solutions also support TI's VLYNQTM interface, a low cost, low pin count and low complexity chip-to-chip serial interface. VLYNQ makes it easy to add off-chip