TI CC2340 Password Authentication

The TI CC2340 series of comes with a security feature called Password Protection. SEGGER implemented support for this feature via a dedicated utility called Device Provisioner. For more information about this, please refer to the Device Provisioner article. CC2340 Password Protection features are implemented in the PCode_DevPro_TI_CC2340_PasswordAuth.pex script file.

Important notes

1. Password protection can be enabled via the CCFG area.
2. After password authentication, the device will remain unlocked until it is reset.

Usage

DevPro -operation [operation_name] -SetConfigVal [parameter_name=value] -if SWD -speed 15000 -ScriptFile PCode_DevPro_TI_CC2340_PasswordAuth.pex

Operation	Parameters	Values	Description
PasswordAuthentication	PasswordFile	Filename	Unlocks the device by providing the password via the SACI interface.

Examples

Password Authentication

Command

DevPro.exe -operation "PasswordAuthentication" -setconfigval PasswordFile="C:\Temp\Password.txt" -scriptfile PCode_DevPro_TI_CC2340_PasswordAuth.pex -if swd -speed 15000

Output

Command line: -operation PasswordAuthentication -setconfigval PasswordFile=C:\Temp\Password.txt -scriptfile PCode_DevPro_TI_CC2340_PasswordAuth.pex -if swd -speed 15000
Firmware: J-Link V12 compiled Aug 20 2025 13:37:32
S/N: 602004466

J-Link log:   Getting device information...
J-Link log:     CFG-AP DEVICEID: 0x1BB8402F
J-Link log:       PG1.01 device detected
J-Link log:     CFG-AP DEVICESTATUS: 0x030D8105
J-Link log:   Executing reset via SEC-AP in order to enter SACI mode...
J-Link log:     O.K.
J-Link log:   Password length (bytes): 0x0000000C
J-Link log:   Password data (hex):
J-Link log:     0x6E65704F
J-Link log:     0x73655320
J-Link log:     0x21656D61
J-Link log:   Debug Submit Authentication ...
J-Link log:   Command executed successfully
J-Link log:   Executing exit SACI mode sequence...
J-Link log:   Command executed successfully
J-Link log:     O.K.
J-Link log:   Checking if AHB-AP is enabled...
J-Link log:     O.K.
J-Link log:   Checking if debug probe loop entered...
J-Link log:     O.K.
J-Link log: Password authentication successful!