In This paper, an Access Network Controller for ADSL (Asymmetric Digital Subscriber Line) is described. It consists of a VR4120 MPU core, a system controller, an Ethernet controller, an ATM (Asynchronous Transfer Mode) cell processor, a USB (Universal Serial Bus Interface) controller, and other blocks. This controller, along with ADSL PHY devices, can provide a total solution for ADSL modem and ADSL router.
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