Download J-Link / J-Trace User Guide (UM08001)
Transcript
300 CHAPTER 10 Device specifics 10.10.1 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 special unlock sequence which erases the flash memory of the device, even if it can not be identified. This unlock sequence can be send to the target, by using the "unlock" comnmand in J-Link Commander. J-Link / J-Trace (UM08001) © 2004-2014 SEGGER Microcontroller GmbH & Co. KG