A slave device includes a first connector, a second connector, a switch, and a communication circuit. The switch is alternatively connectable to the first connector or the second connector according to a connection way via which the slave device is connected to a master device and another slave device. The communication circuit is connected to the first connector and the switch. The communication circuit is configured to transmit and receive a first communication signal to and from the first connector, and is configured to transmit and receive a second communication signal to and from the switch.

Memory devices connected in a chain topology to a host controller that communicate using Low Voltage Differential Signaling (LVDS) and out-of-band signaling.

The present disclosure relates to a communication ID allocation method and system of a battery management module. The system according to the present disclosure includes a first to nth battery management modules sequentially connected through a communication interface, wherein each battery management module designates itself as a master module or a slave module depending on whether or not a pulse signal is received from a battery management module at a higher level, and each battery management module allocates its communication ID according to a pulse width of the pulse signal received from the battery management module at a higher level, generates a pulse signal having the pulse width corresponding to the communication ID of the battery management module at a lower level, and outputs the generated pulse signal to the battery management module at a lower level.

A system for automatically addressing serially connected slave devices includes a master device and multiple slave devices each including a serial communication transceiver, an address input port, an address output port, and a controller. The system also includes a serial communication wiring bus connected between the serial communication transceivers of the master and slave devices, and at least one digital address line connected between the address input ports and the address output ports. Each controller is configured to receive a PWM or PFM signal from a previous one of the multiple slave devices, determine an address for the slave device including the controller according to the received PWM or PFM signal, and transmit a PWM or PFM signal indicative of the determined address to a subsequent one of the multiple slave devices.

A control apparatus that bidirectionally communicates with a control unit based on a preset time-sharing method includes: a plurality of devices each installed on a different substrate; a communication controller daisy-chained to the control unit via a bus line through which bidirectional communication of communication data is performed, the communication data having a data structure having a band in which data to be communicated between the plurality of devices is superimposable; and a cable configured to connect at least one device of the plurality of devices to the communication controller.

An electronic device coupling system includes a plurality of electronic devices and an external power supply. The plurality of electronic devices includes a master device and a plurality of slave devices coupleable to the master device one by one. Each electronic device has a sequence number according to an insertion sequence, the sequence number is corresponds to all the information of local electronic device, the sequence numbers of the plurality of electronic devices are sorted according to the insertion sequence, the sequence number of the master device is a first number of the sequence, and the master device is coupleable to at least one slave device by the sequence number and all the information corresponding to the sequence number. The at least one slave device is a customized group of the master device.

In accordance with an embodiment of the present disclosure, a semiconductor system includes a first semiconductor device coupled to a first transmission line, and configured to transmit a first packet to a second transmission line on the basis of first destination information of the first packet received through the first transmission line; a second semiconductor device coupled to the first semiconductor device through the second transmission line, and configured to transmit a second packet to a third transmission line on the basis of second destination information of the second packet received through the second transmission line; and a third semiconductor device coupled to the second semiconductor device through the third transmission line, coupled to the first semiconductor device through the first transmission line, and configured to transmit a third packet to the first transmission line on the basis of third destination information of the third packet received through the third transmission line.

Disclosed herein are systems and techniques for slave-to-slave communication in a multi-node, daisy-chained network. Slave nodes may provide or receive upstream or downstream data directly to/from other slave nodes, without the need for data slots first to route through the master node.

A power supply system for an electronic device includes a main device and at least one slave device coupled to the main device. The main device includes a power module and a detection module. Each slave device includes a slave control module, a determination module, and a switch module. The power module supplies power for the slave devices via the switch module. The detection module detects a total consumption of power of the coupled slave devices and compares the total of consumed power to a power rating of a power source. Each determination module is configured to determine whether a posterior slave device is coupled to the local slave device. Each slave control module can deactivate the switch module of the local slave device when the total of power consumed exceeds the power rating and the local slave device disconnects from the posterior slave device.

Reducing power consumption of communication interfaces by clock frequency scaling and adaptive interleaving of polling is disclosed. In a first aspect, a control system controls transmission of a command via a serial interface at a higher clock frequency. After transmission, the control system and the interface are operated at a lower clock frequency to save power during command execution. In this aspect, a reduction in polling corresponds to the reduction in clock signal frequency. When the command is complete, the interface is operated at the higher frequency to send another command. In a second aspect, after the control system sends a command to the receiving device, polling is suspended and an execution time of the command is tracked. Polling begins when the tracked execution time almost equals an expected completion time. Both aspects disclosed above may be implemented to reduce power consumption in exchange for a small increase in latency.