摘要:
A first device and a second device, each coupled to one or more signal paths, attempting to transmit symbols over one or more of the signal paths, identifying one or more signal paths over each of which each device is able to transmit a symbol to the other device and over which each device is able to receive a symbol from the other device, and enrolling the identified signal paths into an aggregation of signal paths operable to provide for communication between the devices.
摘要:
In some embodiments, a chip includes first and second nodes, a variable voltage source, and transmitter and control circuitry. The transmitter includes a driver coupled to the first and second nodes, and first and second resistive structures coupled between the first and second nodes, respectively, and the variable voltage source. The control circuitry selects an impedance level for the first and second resistive structures, and detect coupling of a remote receiver to the transmitter through interconnects and detect decoupling of the remote receiver from the transmitter. Other embodiments are described and claimed.
摘要:
An integrated circuit is disclosed. The integrated circuit includes a power delivery network (PDN), a first voltage rail coupled to the PDN, an input/output (I/O) buffer coupled to the first voltage rail and a driver coupled to the I/O buffer. The driver transmits a current waveform to the I/O buffer whenever a switching event occurs at the I/O buffer.
摘要:
An integrated circuit is disclosed. The integrated circuit includes a power delivery network (PDN), a first voltage rail coupled to the PDN, an input/output (I/O) buffer coupled to the first voltage rail and a driver coupled to the I/O buffer. The driver transmits a current waveform to the I/O buffer whenever a switching event occurs at the I/O buffer.
摘要:
An apparatus includes an input/output (I/O) address verification unit that determines whether an I/O address received from a processor is protected. An interrupt generator is coupled to the I/O address verification unit. The interrupt generator generates an interrupt if the I/O address is protected. An interrupt recorder is coupled to the address verification unit. The interrupt recorder records a cause of the interrupt.
摘要:
In some embodiments, a chip includes first and second nodes, a variable voltage source, and transmitter and control circuitry. The transmitter includes a driver coupled to the first and second nodes, and first and second resistive structures coupled between the first and second nodes, respectively, and the variable voltage source. The control circuitry selects an impedance level for the first and second resistive structures, and detect coupling of a remote receiver to the transmitter through interconnects and detect decoupling of the remote receiver from the transmitter. Other embodiments are described and claimed.
摘要:
A serial point to point link that communicatively couples an integrated circuit (IC) device to another IC device is initialized by transferring a training sequence of symbols over the link. Registers of the IC device are programmed, to set a symbol data pattern and configure a lane transmitter for the link. A start bit in a register of the IC device is programmed, to request that the link be placed in a measurement mode. In this mode, the IC device instructs the other IC device to enter a loopback mode for the link. The IC device transmits a sequence of test symbols over the link and evaluates a loopback version of the sequence for errors. The sequence of test symbols have a data pattern, and are transmitted, as configured by the registers. Other embodiments are also described and claimed.
摘要:
Interference within a wireless apparatus is mitigated by adjusting one or more transmission characteristics associated with an interconnect of the apparatus. In at least one embodiment, the interconnect is a PCI Express interconnect.
摘要:
A distributed power management system for a bus architecture or similar communications network. The system supports multiple low power states and defines entry and exit procedures for maximizing energy savings and communication speed.
摘要:
A computer system that detects for a PCI Express compliant endpoint device is described. Specifically, the computer system clocks transmit and receive circuits at a first frequency and initiates a training sequence. If the endpoint device successfully trains at the first frequency, the endpoint device is PCI Express compliant. Otherwise, the computer system initiates another training sequence at a second frequency.