Patents by Inventor Eui-Cheol Lim

Eui-Cheol Lim has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Semiconductor device including a content firewall unit that has a secure function
    Patent number: 10068110
    Abstract: A semiconductor device includes a first processing unit configured to perform a calculation by using data stored in a memory; and a memory path controller configured to communicate with the first processing unit and control the memory for the first processing unit to perform the calculation, wherein the memory path controller includes an address region control unit configured to divide an address space of the memory to include a secure address and a non-secure address and permit the first processing unit to access the secure address or the non-secure address, and a first content firewall unit connected with the address region control unit and configured to prevent the first processing unit from writing secure contents in the non-secure address.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: September 4, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Woo-Hyung Chun, Min-Je Jun, Sim-Ji Lee, Eui-Cheol Lim, Seong-Min Jo, Sung-Min Hong
  • SEMICONDUCTOR DEVICE
    Publication number: 20160034216
    Abstract: A semiconductor device includes a first processing unit configured to perform a calculation by using data stored in a memory; and a memory path controller configured to communicate with the first processing unit and control the memory for the first processing unit to perform the calculation, wherein the memory path controller includes an address region control unit configured to divide an address space of the memory to include a secure address and a non-secure address and permit the first processing unit to access the secure address or the non-secure address, and a first content firewall unit connected with the address region control unit and configured to prevent the first processing unit from writing secure contents in the non-secure address.
    Type: Application
    Filed: March 31, 2015
    Publication date: February 4, 2016
    Inventors: Woo-Hyung Chun, Min-Je Jun, Sim-Ji Lee, Eui-Cheol Lim, Seong-Min Jo, Sung-Min Hong
  • Bus arbiter, bus device and system for granting successive requests by a master without rearbitration
    Patent number: 7865645
    Abstract: A bus arbiter includes an arbitration stop determining unit and a transaction arbitrating unit. The arbitration stop determining unit generates an arbitration stop signal based upon transaction grouping request signals which indicate whether successive transactions are requested. The transaction arbitrating unit selectively performs an arbitration operation based upon the arbitration stop signal.
    Type: Grant
    Filed: May 7, 2009
    Date of Patent: January 4, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Eui-Cheol Lim