Implementation of traffic coexistence for collocated transceivers including Bluetooth transceivers
Granted: June 1, 2021
Patent Number:
11026175
Systems, methods, and devices enable coexistence of traffic for collocated transceivers. Methods may include generating, using a processing device, a target-wake-time (TWT) agreement, the TWT agreement being determined based on availability of a first transceiver and a plurality of wireless devices. The methods may also include generating, using the processing device, a medium access schedule for the first transceiver based on a transmission parameter of a second transceiver, the second…
Microcontroller energy profiler
Granted: June 1, 2021
Patent Number:
11023025
A method is disclosed to estimate energy consumed by a component in a microcontroller during operation including identifying “event” activities, where the energy consumed by the component may be determined by the number of events executed by the component, and “duration” activities, where the energy consumed may be determined by the duration of time required to execute of the activity, and determining the energy consumed by the component based on the number of events/duration of…
Secondary controlled AC-DC converter and methodology for low frequency operation
Granted: May 25, 2021
Patent Number:
11018595
A secondary controlled AC-DC converter including an oscillator in a primary-side controller (PSC), and method for operating the same to enable soft-start and low frequency operation are provided. Generally, the method includes driving a power switch coupled between an AC input and a primary-side of the converter with a gate-drive (GD-signal). At startup and following auto-restart the GD-signal is generated using an oscillator-signal from the oscillator. After receiving start-stop pulses…
Semiconductor device and method of manufacturing the same
Granted: May 25, 2021
Patent Number:
11018105
A semiconductor device includes a semiconductor chip, a bump contract, and encapsulating layer, an insulating layer, and a connection terminal.
Silicon-oxide-nitride-oxide-silicon based multi level non-volatile memory device and methods of operation thereof
Granted: May 25, 2021
Patent Number:
11017851
A semiconductor device that has a semiconductor-oxide-nitride-oxide-semiconductor (SONOS) based non-volatile memory (NVM) array including NVM cells arranged in rows and columns, in which NVM transistors of the NVM cells are configured to store N×analog values corresponding to the N×levels of their drain current (ID) or threshold voltage (VT) levels, digital-to-analog (DAC) function that receives and converts digital signals from external devices, column multiplexor (mux) function that…
Method for providing read data flow control or error reporting using a read data strobe
Granted: May 18, 2021
Patent Number:
11010062
A peripheral device includes a function block to provide data in response to a request from a host device, a data channel coupled with the function block to transmit the data from the function block to a host device as one or more packets, and output logic coupled with the data channel and configured to indicate validity of the data transmitted via the data channel by causing a signal to transition for each of the one or more packets of the data transmitted to the host device via the…
Integrated circuit including parametric analog elements
Granted: May 4, 2021
Patent Number:
10997331
A design system is provided. In one embodiment the design system includes an input module to receive specification data for a designed circuit including a configurable integrated circuit (IC). The configurable IC includes a number of analog elements for which parameters can be set by the design system, and a plurality of configurable signal path elements including an analog-to-digital converter (ADC) that is utilized in a plurality of different signal paths. The design system further…
Power management and data bandwidth improvements for passive entry, passive start (PEPS)
Granted: April 27, 2021
Patent Number:
10993074
A passive entry, passive start (PEPS) application is described, wherein a number of sensors are configured with wireless communication protocol information for wireless communication between a master device and a BLE hub. The sensors eavesdrop signals from the master device to the BLE hub while not in operative communication with the master device. Eavesdropped signals are processed to determine and calculate position-related information, such as phase and magnitude of the wireless…
USB type-C sideband signal interface circuit
Granted: April 27, 2021
Patent Number:
10990560
A USB-C controller, disposed on an integrated circuit (IC), comprises a first pair of terminals to communicate with a first communication protocol that is other than USB, a second pair of terminals to communicate with a second communication protocol that is other than USB, and a third pair of terminals, each of which is to be coupled to a corresponding SBU1 terminal or SBU2 terminal of a Type-C receptacle. The USB-C controller further includes: a multiplexer to selectively couple the…
Techniques for removing non-linear echo in acoustic echo cancellers
Granted: April 20, 2021
Patent Number:
10984815
Techniques for non-linear acoustic echo cancellation are described herein. In an embodiment, a system comprises a loudspeaker, a microphone array, a spatial filtering logic with a spatial filter, an acoustic echo canceller (AEC) logic and an adder logic block. The spatial filtering logic is configured to generate a spatially-filtered signal by applying the spatial filter using a reference signal sent to the loudspeaker and a multi-channel microphone signal from the microphone array. The…
Method for optimizing channel sounding feedback in MIMO systems
Granted: April 13, 2021
Patent Number:
10979120
Implementations disclosed describe systems and methods to optimize delivery of channel state information in wireless networks. In one implementation, a beamformee device may comprise a plurality of antennas, to receive radio frequency signals, a radio circuit coupled to the plurality of antennas, the radio circuit to generate strength indicators of the received radio frequency signals, and a processor to determine, based on the strength indicators, a first set of feedback parameters…
Ferroelectric random access memory sensing scheme
Granted: April 13, 2021
Patent Number:
10978127
Semiconductor memory devices and methods of operating the same are provided. The method of operation may include the steps of selecting a ferroelectric memory cell for a read operation, coupling a first pulse signal to interrogate the selected ferroelectric memory cell, the selected ferroelectric memory cell outputting a memory signal to a bit-line in response to the first pulse signal, coupling the memory signal to a first input of a sense amplifier via the bit-line, electrically…
Energy-efficient idle listening schemes
Granted: April 6, 2021
Patent Number:
10972973
Two methods for energy-efficient idle listening enhancement for WLAN systems are provided. The first method performs a change of operation of a station (STA) from an active mode to an idle listening mode without notifying the change to an access point (AP) associated with the STA. In the idle listening mode, the AP may transmit frames to the STA using a higher bandwidth, but the STA can only sense channels in a lower bandwidth to save energy. The second method transmits a frame to the AP…
Dynamic antenna array pattern switching in wireless systems
Granted: April 6, 2021
Patent Number:
10972886
An example method of operating a device includes using a switching circuitry to a first subset of antennas from an antenna cluster, using the first subset of antennas to receive a first Bluetooth signal, generating a first directional value of the first Bluetooth signal, using a processing element to evaluate at least one antenna of the antenna cluster based at least partly on the first directional value, selecting a second subset of antennas based on evaluation, using the second subset…
Avoiding false NSN detection in flyback converters
Granted: April 6, 2021
Patent Number:
10971990
Techniques for avoiding false negative sense (NSN) detection in a flyback AC-DC converter are described herein. In an example embodiment, a secondary side controller of the AC-DC converter comprises a frequency detector, a negative sense detector, and control logic. The frequency detector is configured to determine a frequency of an input signal from the drain node of a synchronous rectifier (SR) circuit on the secondary side of the AC-DC converter. The negative sense detector is…
Capacitive sensing button on chip
Granted: April 6, 2021
Patent Number:
10969249
A method, apparatus, and system use logic circuitry arranged within an integrated circuit to: convert a self capacitance of a first sensor element arranged within the integrated circuit to a digital value, and apply a signal to an output pin of the integrated circuit based on the self capacitance.
Method of reducing charge loss in non-volatile memories
Granted: March 23, 2021
Patent Number:
10957703
An example embodiment comprises a method for fabrication of a non-volatile memory (NVM) device. An isolation structure is formed in a substrate between first and second locations for first and second NVM cells. A common charge trapping layer is formed as a continuous structure over the substrate, where a first portion of the charge trapping layer is disposed directly over the isolation structure and second portions of the charge trapping layer are disposed directly over the first and…
Fingerprint sensor pattern
Granted: March 23, 2021
Patent Number:
10956703
An example system drives one or more transmit signals on first electrodes disposed in a first layer and propagating electrodes disposed in a second layer. The system measures a capacitance of sensors through a of second electrodes. Each second electrode crosses each first electrode to provide a plurality of discrete sensor areas, each discrete sensor area associated with a difference crossing and including a portion of at least one propagating electrode. Each second electrode is…
Firmware-controlled cable drop voltage compensation
Granted: March 23, 2021
Patent Number:
10955865
An integrated circuit includes a processor coupled to a voltage bus of a cable and located within a universal serial bus (USB) compatible power supply device. A current sense amplifier (CSA) is coupled to a sense resistor to monitor a current of the voltage bus. A first comparator is coupled to the CSA and the processor and to trigger in response to detecting that a monitored current value from the CSA is greater than or equal to a first reference value, which includes a hysteresis…
Voltage protection for universal serial bus Type-C (USB-C) connector systems
Granted: March 16, 2021
Patent Number:
10950987
An electronic device includes a first switch configured to connect a first sideband use (SBU) terminal of a Universal Serial Bus Type-C (USB-C) controller to a first SBU terminal of a USB-C receptacle. The electronic device also includes a second switch configured to connect a second sideband use (SBU) terminal of the USB-C controller to a second SBU terminal of the USB-C receptacle. The electronic device further includes a voltage protection circuit configured to deactivate one or more…
