400 CHAPTER 15 Device specifics
J-Link / J-Trace (UM08001) ©
2004-2017 SEGGER Microcontroller GmbH & Co. KG
15.10.1 Unlocking LM3Sxxx devices
If your device has been "locked" accidentially (e.g. by bad application code in flash
which mis-configures the PLL) and J-Link can not identify it anymore, there is a spe-
cial unlock sequence which erases the flash memory of the device, even if it cannot
be identified. This unlock sequence can be sent to the target, by using the "unlock"
command in J-Link Commander.
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