Patent ID: 6862294

Claim:
A system for communicating information comprising: a master UTOPIA device comprising: a receive transfer controller operable to control reception of data by the master UTOPIA device; and a transmit transfer controller operable to control transmission of data from an ATM switch; a slave UTOPIA device comprising at least one memory area, the slave UTOPIA device comprising: a receive poll controller operable to determine whether the memory area is available to transmit data for receipt by the master UTOPIA device and further operable to communicate the result of the determination to the receive transfer controller, wherein the receive poll controller includes a port selected from a group consisting of a roll enable port, a serial cell available port, a start of serial cell available port, a cell available port, an address port, a clock port, and a return clock port; and a transmit poll controller operable to determine whether the memory area is available for receiving data to be transmitted by the master UTOPIA device and further operable to communicate the result of the determination to the transmit transfer controller.