Freescale-Tower-System-Enhanced-serial-module-Freescale-TWR-SER2-The-TWR-SER2-features-industrial-Ethernet-PHY-configurable-as-either-10-100-dual-or-single-port-RMII-or-else-as-10-100-single-port-MII-It-also-offers-industrial-high-speed-dual-role-USB (Universal Serial Bus)-that-is-host-&-device-in-one-over-UPLI-Still-it-has-a-dedicated-host-mode-USB (Universal Serial Bus)-port-It-also-has-four-concurrent-RS232-serial-transceivers-including-one-S08JS16-based-Serial-to-USB (Universal Serial Bus)-an-RS485-transceiver-&-a-CAN-transceiver-Freescale-TWR