Patent classifications
G06F13/1689
INTERCONNECT FOR DIRECT MEMORY ACCESS CONTROLLERS
A computing device is provided, including a plurality of memory devices, a plurality of direct memory access (DMA) controllers, and an on-chip interconnect. The on-chip interconnect may be configured to implement control logic to convey a read request from a primary DMA controller of the plurality of DMA controllers to a source memory device of the plurality of memory devices. The on-chip interconnect may be further configured to implement the control logic to convey a read response from the source memory device to the primary DMA controller and one or more secondary DMA controllers of the plurality of DMA controllers.
Interrupt controller and method of managing an interrupt controller
In accordance with an embodiment, an electronic device includes: an interrupt controller having an input for receiving a controller clock signal, and an output, the interrupt controller configured to deliver an output interrupt signal on the output when the controller clock signal is active, and a control circuit comprising, an input interface for receiving at least one interrupt signal from at least one item of equipment external to the device, a clock input for receiving an external clock signal, and a first controller connected to the input interface and to the clock input, the first controller configured to automatically generate the controller clock signal from the external clock signal from when the at least one interrupt signal is asserted until a delivery of a corresponding output interrupt signal.
Alternative protocol over physical layer
A link controller includes a Peripheral Component Interconnect Express (PCIe) physical layer circuit for coupling to a communication link and providing a data path over the communication link, a first data link layer controller which operates according to a PCIe protocol, and a second data link layer controller which operates according to a Gen-Z protocol. A multiplexer-demultiplexer selectively connects both data link layer controllers to the PCIe physical layer circuit. A protocol translation circuit is coupled between the multiplexer-demultiplexer and the second data link layer controller, the protocol translation circuit receiving traffic data from the second data link layer controller in a Gen-Z format, encapsulating the Gen-Z format in a PCIe format, and passing traffic data to the multiplexer-demultiplexer circuit.
Victim cache that supports draining write-miss entries
A caching system including a first sub-cache and a second sub-cache in parallel with the first sub-cache, wherein the second sub-cache includes a set of cache lines, line type bits configured to store an indication that a corresponding cache line of the set of cache lines is configured to store write-miss data, and an eviction controller configured to flush stored write-miss data based on the line type bits.
Synchronous memory bus access to storage media
A computing system having memory components, including first memory and second memory, wherein the first memory is available to a host system for read and write access over a memory bus during one or more of a first plurality of windows. The computing system further includes a processing device, operatively coupled with the memory components, to: receive, from a driver of the host system, a request regarding a page of data stored in the second memory; responsive to the request, transfer the page from the second memory to a buffer; and write the page from the buffer to the first memory, wherein the page is written to the first memory during at least one of a second plurality of windows corresponding to a refresh timing for the memory bus, and the refresh timing is controlled at the host system.
Wave pipeline including synchronous stage
A wave pipeline includes a data path and a clock path. The data path includes a plurality of wave pipeline data stages and a synchronous data stage. The synchronous data stage includes a first data latch to latch the data from the synchronous data stage. The synchronous data stage is between a first wave pipeline data stage of the plurality of wave pipeline data stages and a second wave pipeline data stage of the plurality of wave pipeline data stages. The clock path corresponds to the plurality of wave pipeline data stages. The first data latch latches the data from the synchronous data stage in response to a clock signal on the clock path.
Collection of runtime information for debug and analysis
A system on chip (SOC) system includes functional modules, including a first and second functional module. The first and second functional module are configured to send, to an aggregation module and in a standardized message format, first and second status information associated with the first and second functional module according to a first and second set of one or more reporting rules, respectively. The aggregation module aggregates the first status information in the standardized message format and the second status information in the standardized message format and insert a timestamp to obtain a timestamped and aggregated message stream. The timestamped and aggregated message stream is stored and enables a visualization system to analyze the first functional module and the second functional module.
ELECTRIC DEVICE, AND ELECTRIC DEVICE INCLUDING PRINTED CIRCUIT BOARD
Disclosed is an electronic device which includes a plurality of memory devices, a memory controller, a first signal line that makes electrical connection between the memory controller and a first branch point, a second signal line that makes electrical connection between the first branch point and a second branch point, a third signal line that makes electrical connection between the first branch point and a third branch point, a fourth signal line that electrically connects the second branch point and the first memory device, a fifth signal line that electrically connects the second branch point and the second memory device, a sixth signal line that electrically connects the third branch point and the third memory device, and a stub that includes a first end electrically connected with at least one of the plurality of signal lines, and a second end being left open-circuit.
Non-volatile dual inline memory module (NVDIMM) for supporting dram cache mode and operation method of NVDIMM
Provided are a non-volatile dual inline memory module (NVDIMM) supporting a DRAM cache mode and an operation method of the NVDIMM. The NVDIMM includes a DRAM chip, an NVM chip, and a controller that controls the DRAM chip to operate as a cache memory of the NVM chip. The controller sends a read command to the DRAM chip with reference to a cache address of data requested to be written from a host to the NVM chip, and sends a write command to the NVM chip with reference to an address of the data requested to be written at a time point when a read latency (RL) of the DRAM chip and a write latency (WL) of the NVM chip coincide with each other.
SEMI RECEIVER SIDE WRITE TRAINING FOR NON-VOLATILE MEMORY SYSTEM
Technology is disclosed herein for semi receiver side write training in a non-volatile memory system. The transmitting device has delay taps that control the delay between a data strobe signal and data signals sent on the communication bus. The delay taps on the transmitting device are more precise that can typically be fabricated on the receiving device (e.g., NAND memory die). However, the receiving device performs the comparisons between test data and expected data, which alleviates the need to read back the test data. After the different delays have been tested, the receiving device informs the transmitting device of the shortest and longest delays for which data was validly received. The transmitting device then sets the delay taps based on this information. Moreover, the write training can be performed in parallel on many receiving devices, which is very efficient.