gs1900-48

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
Next revision
Previous revision
Last revisionBoth sides next revision
gs1900-48 [2022/04/18 12:39] – Small restructuring of hardware subsections svanheulegs1900-48 [2022/04/18 15:16] – Add JTAG tag svanheule
Line 34: Line 34:
  
 ==== JTAG ==== ==== JTAG ====
-The board has an unpopulated eJTAG header. The SMD resistor configuration is suchthat the interface is disabled by default. To be able to use the JTAG interface, the following changes need to be made:+The board has an unpopulated eJTAG header. The SMD resistor configuration is such that the interface is disabled by default. To be able to use the JTAG interface, the following changes need to be made:
   * R171 permanently asserts nTRST. Move R171 (pull-down) to R525 (pull-up) to allow remote assertion of nTRST.   * R171 permanently asserts nTRST. Move R171 (pull-down) to R525 (pull-up) to allow remote assertion of nTRST.
   * R48 is unpopulated, leaving nSRST unconnected. (optional) Add a 0 ohm resistor to complete the connection.   * R48 is unpopulated, leaving nSRST unconnected. (optional) Add a 0 ohm resistor to complete the connection.
Line 222: Line 222:
   * [[https://download.zyxel.com/GS1900-48/datasheet/GS1900-48_19.pdf | Product datasheet]]   * [[https://download.zyxel.com/GS1900-48/datasheet/GS1900-48_19.pdf | Product datasheet]]
  
-{{tag>zyxel-gs1900}}+{{tag>zyxel-gs1900}} {{tag>jtag}}
  • gs1900-48.txt
  • Last modified: 2023/01/19 16:36
  • by svanheule