Title:
MULTIPROCESSOR SYSTEM AND STARTING METHOD THEREOF
Document Type and Number:
Japanese Patent JP2023041622
Kind Code:
A
Abstract:
To provide a multiprocessor system which can be reduced in costs and further facilitates upgrading and managing of firmware, and a starting method thereof.SOLUTION: A multiprocessor system 1 includes: a master processor 11; a nonvolatile memory 12 which is connected to the master processor and stores first startup firmware and second startup firmware; and a plurality of slave processors 13 each containing a JTAG interface connected to one of I/O interfaces of the master processor. The master processor 11 releases a reset signal of each of the plurality of slave processors 13 after the start completion by the first startup processor, and transmits the second startup firmware to the plurality of slave processors 13 respectively by communication connection. Each of the slave processors 13 starts up on the basis of the received second startup firmware.SELECTED DRAWING: Figure 1
Inventors:
WANG JIANG
Application Number:
JP2022128744A
Publication Date:
March 24, 2023
Filing Date:
August 12, 2022
Export Citation:
Assignee:
XUNMU INFORMATION TECH SHANGHAI CO LTD
International Classes:
G06F15/177; G06F1/24
Attorney, Agent or Firm:
Patent Attorney Tsutsui International Patent Office