Abstract: A bi-directional full-duplex interface or serial communication interface operable to connected to a first device and a second device to decode or encode a signal between the first device and the second device in the first line code or the second line code. The bi-directional full-duplex interface includes a receive path that converts a first data signal output from the first device at a first communication rate to a second line code for the second device where the first communicate rate is slower than the second line code. The bi-directional full-duplex interface also includes a transmit path that converts a second data signal output from the second device at the second communication rate to the first line code for the first device.

Abstract: In one embodiment, a switching system includes a backplane and multiple cards that each support multiple ASIC devices. Each ASIC device is associated with a subset of the network interfaces associated with the switching system. At least one ASIC device on a card may communicate switched data to an outgoing network interface associated with the card. Remaining ASIC devices on the card may communicate switched data to one or more other cards, using the backplane, for communication to one or more outgoing network interfaces associated with the other cards. In another embodiment, a device for switching data from a first bus to a second bus in a TDM switching system is provided. In another embodiment, a method for switching data between a plurality of network interfaces in a switching system is disclosed.

Abstract: In another embodiment, an ASIC device includes a first RAM that stores a code for each of multiple first time slots. Each code is combined with corresponding data from a first bus to specify a previously stored operation. A second RAM receives the combined data and code for each first time slot and applies the specified operation for each first time slot to generate modified data for each first time slot. A third RAM stores information specifying a second time slot to correspond to each first time slot and communicates the information for each second time slot as an address. A fourth RAM stores the modified data for a previous frame and the modified data for a current frame, locates the modified data for each first time slot of the previous frame according to the address, and communicates the modified data for each time slot of the previous frame to a second bus in the corresponding second time slot while the modified data for the current frame is being stored.

Abstract: In one embodiment, in a switching system, an ASIC device on a card coupled to a backplane communicates switched data to an outgoing network interface for the card without using the backplane, and remaining ASIC devices on the card communicate switched data, to other cards using the backplane for communication to outgoing network interfaces for the other cards. In another embodiment, an ASIC device includes a RAM storing a code for each first slot to combine with corresponding data from a first bus to specify an operation, a RAM applying the operation to generate modified data for each first slot, a RAM communicating as an address information specifying a second slot to correspond to each first slot, and a RAM locating the modified data for each first slot of a previous frame according to the address and communicating this modified data to a second bus in the corresponding second slot while the modified data for a current frame is being stored.