摘要:
Systems and methods for detecting states are disclosed. An information handling system may include a processor and a plurality of information handling resources communicatively coupled to the processor via the common control line. The processor may be configured to produce a first signal on a common control line. Each of the plurality of information handling resources may include a tag having a signal threshold, the tag configured to communicate a second signal via the common control line indicating the presence of the particular information handling resource in response to the first signal exceeding the signal threshold of the tag.
摘要:
Methods and data processing systems are provided to share a common pin between two circuits in microcontroller unit (MCU). Signals are received at a common pin included in the MCU. If the first circuit has been enabled, then the received signals are analyzed to determine whether the signals are valid command signals for the first circuit. If the signals are not a valid command signal, then a second circuit is performed. If the first circuit has not been enabled, then an alternate function is performed. One of the operations performed by the alternate function is to determine whether to enable the first function. In one embodiment, the first circuit is a background debug controller of the MCU and the second circuit is a reset circuit.
摘要:
A serial peripheral interface of an integrated circuit including multiple pins and a clock pin is provided. The pins are coupled to the integrated circuit for transmitting an instruction, an address or a read out data. The clock pin is coupled to the integrated circuit for inputting multiple timing pulses. The plurality of pins transmit the instruction, the address or the read out data at rising edges, falling edges or both edges of the timing pulses.
摘要:
Systems and methods are disclosed that replace a separate reset pin in a bus with a reset command that guarantees a system recovery. The system comprises a host component circuitry residing on a first chip and a client component circuitry residing on a second, different chip. A bus connects the host component circuitry to the client component circuitry. The host component circuitry is configured to transfer an initial client value associated with a client component time period to the client component circuitry over the bus on a periodic time basis. The periodic time basis is dictated by a host component time period and the client component time period is greater than the host component time period. The client component circuitry is configured to initiate a reset procedure if the client component time period expires which indicates that the initial client value was not received at a next time on the periodic time basis dictated by the host component time period.
摘要:
One embodiment of the present invention provides an apparatus that selectively multiplexes a plurality of signal lines through an I/O pin on a semiconductor chip. This apparatus includes an I/O pin, for coupling a signal line within the semiconductor chip to a signal line outside of the semiconductor chip. A transmitting circuit is configured to selectively multiplex the plurality of signal lines onto the I/O pin. A receiving circuit is configured to receive multiplexed data from the I/O pin, and to reverse the multiplexing so that values originally from the multiplexed signal lines are separated into distinct signals in the receiving circuit. Note that the transmitting circuit and the receiving circuit are driven by a common clock signal. The apparatus additionally includes an initialization circuit that selectively configures the transmitting circuit and the receiving circuit to multiplex at least one of the plurality of signal lines through the I/O pin.
摘要:
An input circuit arrangement (1) comprises an input (2), a comparator (30), and an evaluation circuit (50). The input (2) is designed for coupling to a first terminal (101) of an impedance (100) and for feeding an input signal (ES). The comparator (30) is connected to the input (2) of the input circuit arrangement (1) and is designed for delivering an activation signal (S1) to an output (31) as a function of a comparison of the input signal (ES) with an adjustable threshold (SW1). Furthermore, the evaluation circuit (50) is connected to the input (2) of the input circuit arrangement (1) and for its activation to the output (31) of the comparator (30) and is designed for evaluating the value of the impedance (100) that can be connected.
摘要:
An integrated circuit (IC) within an IC package, where the IC includes a memory control module and a timing module. The memory control module is configured to control read/write operations of a memory IC via N pins of the IC package, where N is an integer greater than 1. The memory IC is external to the IC package. The timing module is configured to control on/off timing of (N*M) light emitting diodes (LEDs) arranged in N columns and M rows connected to the N pins and M pins of the IC, respectively, where M is an integer greater than 1. The read/write operations utilize the N pins during a first period. The N*M LEDs receive data from the M pins and refresh signals from the N pins during a second period that is different than the first period.
摘要翻译:IC封装内的集成电路(IC),其中IC包括存储器控制模块和定时模块。 存储器控制模块被配置为通过IC封装的N个引脚来控制存储器IC的读/写操作,其中N是大于1的整数。存储器IC在IC封装的外部。 定时模块被配置为控制分别连接到IC的N个引脚和M个引脚的N列和M行中布置的(N * M)个发光二极管(LED)的接通/断开定时,其中M是更大的整数 读/写操作在第一个周期期间利用N个引脚。 N * M LED在与第一个周期不同的第二个周期内从M个引脚接收数据并从N个引脚刷新信号。
摘要:
The present invention provides for a system. The system includes a plurality of controllers, each controller comprising at least an output pin and a plurality of input pins and configured to receive self-identify control signals through one or more of the plurality of input pins and to transmit a controller self-identify signal through the output pin based on the self-identify control signals. Each output pin is coupled to an external system. A processor couples to a first input pin of the plurality of input pins of each of the plurality of controllers and is configured to generate self-identify control signals and to transmit the self-identify control signals to the plurality of controllers.
摘要:
In an integrated circuit device, a circuit for maintaining asserted values on an input output pin of the device when a functional block of the device is placed in a sleep mode. The circuit includes an interface for coupling a functional block of a processor to an input and output pin and an output storage element coupled to the interface for storing a current value of the input output pin. The circuit further includes a sleep mode enable for controlling the output storage element to store the current value of the input output pin prior to the functional block being entering a sleep mode and cause the current value of the input output pin to remain asserted after the functional block is in sleep mode. The sleep mode enable is also to deactivate the storage element when the sleep mode is exited.
摘要:
A reduced pin count connection system for an insertable operational systems card having a plurality of input and output signals to a host device having operational circuits responsive to the input and output signals of the card includes a master serial data link in the card for communicating at least a portion of the plurality of input and output signals of the card. A slave serial data link is operably interconnected to the master serial data link through a connector having a second plurality contacts less than the plurality of input and output signals and communicates the input and output signals to the operational circuits in the host device.