Patents Assigned to RAYMX MICROELECTRONICS CORP.
  • Patent number: 12579096
    Abstract: An apparatus and a controlling method for a two-wire serial bus are provided. The apparatus is coupled to a host and a plurality of sensors via the two-wire serial bus, and includes a storage member and a control circuit. The storage member is configured to store an event table that includes triggering conditions respectively corresponding to the sensors. The control circuit is coupled to the storage member and configured to periodically query a detection value of each of the sensors in sequence to determine that the detection value of the sensor meets one of the triggering conditions corresponding to the sensor, and to produce a notification signal to the host through the two-wire serial bus according to the determined result; the notification signal indicates the sensor that meets the triggering condition. The host executes a processing program corresponding to the sensor in response to the notification signal.
    Type: Grant
    Filed: June 11, 2024
    Date of Patent: March 17, 2026
    Assignee: RAYMX MICROELECTRONICS CORP.
    Inventors: Wei Wang, Cheng-Yu Chen
  • Patent number: 12131043
    Abstract: A method and a memory controller for accessing a plurality of memories are provided. The method includes sorting a plurality of blocks of a plurality of memories to correspond to a plurality of disk logical addresses that are sequentially sorted. The plurality of blocks of the plurality of memories include M first blocks of a first memory and N second blocks of a second memory, where M and N are each an integer greater than 1, and the M first blocks of the first memory and the N second blocks of the second memory in the plurality of disk logical addresses are sorted in a non-sequential successive order.
    Type: Grant
    Filed: July 21, 2023
    Date of Patent: October 29, 2024
    Assignee: RAYMX MICROELECTRONICS CORP.
    Inventors: Zhao-Yao Hu, Shuai Lin, Zhi-Fan Liang
  • Patent number: 11681527
    Abstract: An electronic device includes a memory, a processor, and functional hardware. The memory includes a queue. The processor is configured to write a processing instruction into a target area of the queue. The functional hardware is configured to read the processing instruction from the target area and reserve the target area. The functional hardware generates a completion message according to the processing instruction, and writes the completion message into the target area after the processing instruction is executed. The completion message corresponds to the processing instruction.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: June 20, 2023
    Assignee: RAYMX MICROELECTRONICS CORP.
    Inventors: Shuai Lin, Zhaoyao Hu
  • Patent number: 11494112
    Abstract: Disclosed is a method for maintaining operation log information stored in a non-volatile memory of a storage device. The method includes the steps of: configuring a buffer area of a volatile memory; caching the operation log information into the buffer area; writing the operation log information stored in the buffer area into a predetermined storage area of the non-volatile memory; repeatedly updating the operation log information to the predetermined storage area; and initializing the storage device, which includes the following steps of enabling a watchdog timer in a controller; fetching the latest operation log information by reading the predetermined storage area when the watchdog timer counts a predetermined time and the storage device does not complete the initialization; configuring the storage device to perform a force low-level formatting after the latest operation log information is fetched; and disabling the watchdog timer when the storage device completes the initialization.
    Type: Grant
    Filed: July 27, 2021
    Date of Patent: November 8, 2022
    Assignee: RAYMX MICROELECTRONICS CORP.
    Inventors: Yinghui Fu, Xin Liu
  • Patent number: 11467645
    Abstract: Disclosed are a storage device and a method for sudden power off recovery thereof. The method includes: performing a first snapshot operation on the storage device to obtain system information, and storing the system information and a first tag into a non-volatile memory when the storage device in an idle state; performing a second snapshot operation on the storage device to obtain system information of the storage device, and storing the system information and a second tag into the non-volatile memory when at least one of the following conditions occurring: updating a logical-to-physical mapping table in the non-volatile memory, executing a garbage collection operation, and programming a new block; searching the latest system information in the non-volatile memory when recovering supply of power; when determining that the searched system information includes the first tag, performing a lightweight sudden power off recovery operation in the storage device.
    Type: Grant
    Filed: January 25, 2021
    Date of Patent: October 11, 2022
    Assignee: RAYMX MICROELECTRONICS CORP.
    Inventors: Zhi Fan Liang, Hui Wang
  • Patent number: 11449310
    Abstract: A method for generating a random number, applied in a random number generator coupled to a flash memory is disclosed. the method comprises: selecting a plurality of cells from the flash memory; initializing the selecting cells of the flash memory; programming the selecting cells to obtain a plurality of first potential values of the selecting cells; re-initializing the selecting cells of the flash memory; re-programming the selecting cells to obtain a plurality of second potential values of the selecting cells; and processing the first potential values and the second potential values according to a predetermined algorithm to generating the random number.
    Type: Grant
    Filed: August 21, 2019
    Date of Patent: September 20, 2022
    Assignee: RAYMX MICROELECTRONICS CORP.
    Inventors: Shih-Fu Huang, Cheng-Yu Chen, Yi-Lin Hsieh, Jing-Long Xiao
  • Patent number: 11449450
    Abstract: A processing and storage circuit includes an internal bus, one or more first-level internal memory units, a central processing unit (CPU), one or more hardware acceleration engines, and an arbiter. The first-level internal memory unit is coupled to the internal bus. The CPU includes a second-level internal memory unit, and is configured to access the first-level internal memory unit via the internal bus, and when the CPU accesses data, the first-level internal memory unit is accessed preferentially. The hardware acceleration engine is configured to access the first-level internal memory unit via the internal bus. The arbiter is coupled to the internal bus, configured to decide whether the CPU or the hardware acceleration engine be allowed to access the first-level internal memory unit. The arbiter sets the priority of the CPU accessing the first-level internal memory unit to be over the hardware acceleration engine.
    Type: Grant
    Filed: December 31, 2020
    Date of Patent: September 20, 2022
    Assignee: RAYMX MICROELECTRONICS CORP.
    Inventors: Shuai Lin, Yu Zhang
  • Patent number: 11055023
    Abstract: An electronic device includes: a storage device containing a target block having multiple word lines and multiple bit lines; a transmission interface configured to operably receive data to be written into the storage device; and a controller circuit including: an access circuit; and a flash memory control circuit configured to operably control the access circuit to write a first data into one or more pages connected with a first word line in the target block using a first program scheme, and to operably control the access circuit to write a second data into one or more pages connected with a second word line in the target block using a second program scheme, so that the first data and the second data are stored in the target block at the same time.
    Type: Grant
    Filed: April 23, 2019
    Date of Patent: July 6, 2021
    Assignee: RAYMX MICROELECTRONICS CORP.
    Inventors: Shih-Fu Huang, Yi-Lin Hsieh, Cheng-Yu Chen
  • Patent number: 10956087
    Abstract: A memory controller includes: an interface configured to operably communicate with a host device; a temperature detecting circuit configured to operably detect an ambient temperature, wherein when the ambient temperature is beyond a predetermined temperature range, the temperature detecting circuit generates a control signal; and a processing circuit coupled to the interface and the temperature detecting circuit, for selecting one of a plurality of data program schemes to program data into a first storage block of a flash memory according to the control signal.
    Type: Grant
    Filed: May 7, 2019
    Date of Patent: March 23, 2021
    Assignee: RAYMX MICROELECTRONICS CORP.
    Inventors: Shih-Fu Huang, Cheng-Yu Chen
  • Patent number: 10909047
    Abstract: The present invention discloses a solid state drive (SSD) control device including: a multi-interface compatible physical layer circuit operable to generate a physical layer output signal according to a serializer/deserializer (SerDes) reception signal; and a processing circuit operable to make the solid state drive control device adapt to one of several interface types in accordance with the physical layer output signal.
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: February 2, 2021
    Assignee: RAYMX MICROELECTRONICS CORP.
    Inventors: Cheng-Yu Chen, Chih-Ching Chien
  • Patent number: 10866850
    Abstract: A memory device includes a memory module and a control module. The control module is coupled to the memory module and is configured to store data into the memory module according to a first mapping table. The control module includes a storing unit and a guaranteeing unit. The storing unit is configured to store the first mapping table. The guaranteeing unit is coupled to the storing unit and is configured to determine whether the first mapping table is correct or not. The guaranteeing unit is further configured to issue an error signal in a state where the first mapping table is incorrect.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: December 15, 2020
    Assignee: RAYMX MICROELECTRONICS CORP.
    Inventors: Yen-Chung Chen, Cheng-Yu Chen, Chih-Ching Chien
  • Patent number: 10852991
    Abstract: A memory controller includes an interface circuit and a control circuit. The interface circuit is configured to communicate with a host device. When the control circuit finishes executing N commands from the host device, the memory controller notifies the host device to release corresponding memory in the host device corresponding to the N commands, and N is a positive integer. The control circuit compares a data transmission speed of the interface circuit with a predetermined value to generate a comparison result, and the control circuit adjusts a value of N based on the comparison result.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: December 1, 2020
    Assignee: RAYMX MICROELECTRONICS CORP.
    Inventors: Min-Yan Ciou, Cheng-Yu Chen
  • Patent number: 10838651
    Abstract: A data backup method for backing up target data, through a driver module, from a first storage device to a second storage device is disclosed. The first storage device includes a first storage unit that stores the target data, and a first control unit that accesses the first storage unit based on a first logical-to-physical mapping table. The second storage device includes a second storage unit and a second control unit that accesses the second storage unit based on a second logical-to-physical mapping table. The method includes steps of: reading the target data from the first storage unit without accessing the first logical-to-physical mapping table and transmitting the target data to the driver module; transmitting the target data to the second control unit; and writing the target data to the second storage unit without accessing the second logical-to-physical mapping table.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: November 17, 2020
    Assignee: RAYMX MICROELECTRONICS CORP.
    Inventors: Wang-Sheng Lin, Cheng-Yu Chen
  • Patent number: 10817437
    Abstract: The present invention discloses a solid state drive (SSD) control device including: a multi-interface compatible physical layer circuit operable to generate a physical layer output signal according to a serializer/deserializer (SerDes) reception signal; an input/output (I/O) circuit operable to generate at least one terminal output signal according to signal variation of at least one terminal; and a processing circuit operable to make the solid state drive control device adapt to one of several interface types in accordance with the physical layer output signal and/or the at least one terminal output signal.
    Type: Grant
    Filed: January 9, 2019
    Date of Patent: October 27, 2020
    Assignee: RAYMX MICROELECTRONICS CORP.
    Inventors: Cheng-Yu Chen, Chih-Ching Chien
  • Patent number: 10802961
    Abstract: An apparatus and a method for accessing a plurality of memory blocks is disclosed. The An apparatus comprises: a memory circuit configured to store a recording table, wherein the recording table corresponds to quality index of the plurality of memory blocks; and a control circuit configured to group the plurality of memory blocks to a first memory group and a second memory group according to the quality index; to enable to access the memory blocks in the first memory group, and to disable to access the memory blocks in the second memory group.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: October 13, 2020
    Assignee: RAYMX MICROELECTRONICS CORP.
    Inventors: Yen-Chung Chen, Chih-Ching Chien, Li-Chun Huang, Han-Ting Tsai, Wei-Ren Hsu
  • Publication number: 20200310687
    Abstract: A memory controller includes: an interface configured to operably communicate with a host device; a temperature detecting circuit configured to operably detect an ambient temperature, wherein when the ambient temperature is beyond a predetermined temperature range, the temperature detecting circuit generates a control signal; and a processing circuit coupled to the interface and the temperature detecting circuit, for selecting one of a plurality of data program schemes to program data into a first storage block of a flash memory according to the control signal.
    Type: Application
    Filed: May 7, 2019
    Publication date: October 1, 2020
    Applicant: RAYMX Microelectronics Corp.
    Inventors: Shih-Fu HUANG, Cheng-Yu CHEN
  • Publication number: 20200293224
    Abstract: An electronic device includes: a storage device containing a target block having multiple word lines and multiple bit lines; a transmission interface configured to operably receive data to be written into the storage device; and a controller circuit including: an access circuit; and a flash memory control circuit configured to operably control the access circuit to write a first data into one or more pages connected with a first word line in the target block using a first program scheme, and to operably control the access circuit to write a second data into one or more pages connected with a second word line in the target block using a second program scheme, so that the first data and the second data are stored in the target block at the same time.
    Type: Application
    Filed: April 23, 2019
    Publication date: September 17, 2020
    Applicant: RAYMX Microelectronics Corp.
    Inventors: Shih-Fu HUANG, Yi-Lin HSIEH, Cheng-Yu CHEN
  • Patent number: 10776288
    Abstract: The present invention discloses a memory control device and method compatible to multiple types of interface the memory control device comprises: a multi-interface physical layer circuit configured to couple to a host, to receive a differential signal from the host, to detect at least one of characteristics of the differential signal to generate a physical layer output signal and to generate a physical layer output signal according to a detected result, wherein a frequency of the differential signal is higher than hundreds of KHz; and a processing circuit, coupled between the multi-interface physical layer circuit and a memory module, configured to receive the physical layer output signal from the multi-interface physical layer circuit, to determine the differential signal complies with one of a specification of an first type of interface and that of a second type of interface according to the physical layer output signal, and to adapt an operation mode of the memory control device to one of the multiple type
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: September 15, 2020
    Assignee: RAYMX MICROELECTRONICS CORP.
    Inventors: Cheng-Yu Chen, Chih-Ching Chien
  • Patent number: 10776011
    Abstract: A computing system including a memory, a processor and a solid state disk is provided. The memory stores a disk access driver program. The solid state disk includes a storage circuit and a control circuit. The control circuit includes a processing unit, a first access path and a second access path. The processing unit communicates with the processor through the first access path. The processor executes the driver program that enables the processor to process a disk access command for directly accessing the storage circuit of the solid state disk through the second access path.
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: September 15, 2020
    Assignee: RAYMX MICROELECTRONICS CORP.
    Inventors: Cheng-Yu Chen, Chih-Ching Chien, Yen-Chung Chen
  • Patent number: 10712970
    Abstract: The present invention provides a flash memory controller including an artificial intelligence (AI) module and a microprocessor. In the operations of the flash memory controller, the AI module receives data from a host device, and determines if the data is important data or unimportant data to generate a determination result. The microprocessor is configured to write the data into a flash memory module according to the determination result, wherein the flash memory module comprises a plurality of first blocks and a plurality of second blocks, and quantity of bits stored in each memory cell within the first blocks is lower than quantity of bits stored in each memory cell within the second blocks. When the determination result indicates that the data is the important data, the microprocessor only stores the data into at least one of the first blocks.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: July 14, 2020
    Assignee: RAYMX MICROELECTRONICS CORP.
    Inventors: Wen-Hsin Chang, Yen-Chung Chen, Wei-Ren Hsu, Yufeng Zhou