Segger J-Link - Page 90

90 CHAPTER 3 J-Link software and documentation package
J-Link / J-Trace (UM08001) ©
2004-2017 SEGGER Microcontroller GmbH & Co. KG
3.2.2.9 -JTAGConf
Passes IRPre and DRPre in order to select a specific device in a JTAG-chain.
"-1,-1" can be used to let J-Link select a device automatically.
Syntax
-JTAGConf <IRPre>,<DRPre>
Example
JLink.exe -JTAGConf 4,1
JLink.exe -JTAGConf -1,-1
3.2.2.10 -SelectEmuBySN
Connect to a J-Link with a specific serial number via USB. Useful if multiple J-Links
are connected to the same PC and multiple instances of J-Link Commander shall run
and each connects to another J-Link.
Syntax
-SelectEmuBySN <SerialNo>
Example
JLink.exe -SelectEmuBySN 580011111
3.2.2.11 -RTTTelnetPort
This command alters the RTT telnet port. Default is 19021.
Syntax
-RTTTelnetPort <Port>
Example
JLink.exe -RTTTelnetPort 9100
3.2.2.12 -SettingsFile
Select a J-Link settings file to be used for the target device. The settings file can con-
tain all configurable options of the Settings tab in J-Link Control panel.
Syntax
-SettingsFile <PathToFile>
Example
JLink.exe -SettingsFile "C:\Work\settings.txt"
3.2.2.13 -Speed
Starts J-Link Commander with a given initial speed. Available parameters are "adap-
tive", "auto" or a freely selectable integer value in kHz. It is recommended to use
either a fixed speed or, if it is available on the target, adaptive speeds. Default inter-
face speed is 100kHz.
Syntax
-Speed <Speed_kHz>
Example
JLink.exe -Speed 4000