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    <title>LPC Microcontrollers中的主题 Re: LPC55S69 Flash Initialization &amp; reset/erase failing</title>
    <link>https://community.nxp.com/t5/LPC-Microcontrollers/LPC55S69-Flash-Initialization-reset-erase-failing/m-p/960195#M38047</link>
    <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hi Jun Zhang,&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Please find the details below:&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;- What's your SDK version?&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;  1.  I am using SDK_2.6.2_LPCXpresso55S69&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;- do you use NXP demo board or your own designed PCB?&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;  1.  I am using NXP LPC55S69 EVK board&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;- What emulator interface do you use?&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;  1.  I am using CMSIS-DAP&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;- Your board can't connect MCUXpresso IDE when debug lpcxpresso55s69_gpio_led_output. please send me screenshot about that.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;  1.  Please find the screenshots attached&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Regards&lt;/P&gt;&lt;P&gt;Aslam Syed&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
    <pubDate>Mon, 23 Sep 2019 12:44:24 GMT</pubDate>
    <dc:creator>aslam_syed</dc:creator>
    <dc:date>2019-09-23T12:44:24Z</dc:date>
    <item>
      <title>LPC55S69 Flash Initialization &amp; reset/erase failing</title>
      <link>https://community.nxp.com/t5/LPC-Microcontrollers/LPC55S69-Flash-Initialization-reset-erase-failing/m-p/960193#M38045</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Flash Driver V.2 startup failed - rc Ef(34): Timed-out initializing flash.&lt;BR /&gt;chip initialization failed - Ef(34): Timed-out initializing flash.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Flash startup failed when i am trying to run default hello world and gpio led output applications.&amp;nbsp;&lt;/P&gt;&lt;P&gt;Please find the full error below. Also i tried erasing the flash which failed (hanging after a while) as well&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;MCUXpresso IDE RedlinkMulti Driver v11.0 (May 22 2019 13:46:40 - crt_emu_cm_redlink build 6)&lt;BR /&gt;Found chip XML file in C:/Users/aslput01/Documents/MCUXpressoIDE_11.0.0_2516/workspace/lpcxpresso55s69_gpio_led_output/Debug\LPC55S69.xml&lt;BR /&gt;Reconnected to existing LinkServer process.&lt;BR /&gt;Using memory from core 0 after searching for a good core&lt;BR /&gt;processor is in secure mode&lt;BR /&gt;debug interface type = Cortex-M33 (DAP DP ID 6BA02477) over SWD TAP 0&lt;BR /&gt;processor type = Cortex-M33 (CPU ID 00000D21) on DAP AP 0&lt;BR /&gt;number of h/w breakpoints = 8&lt;BR /&gt;number of flash patches = 0&lt;BR /&gt;number of h/w watchpoints = 4&lt;BR /&gt;Probe(0): Connected&amp;amp;Reset. DpID: 6BA02477. CpuID: 00000D21. Info: &amp;lt;None&amp;gt;&lt;BR /&gt;Debug protocol: SWD. RTCK: Disabled. Vector catch: Disabled.&lt;BR /&gt;Content of CoreSight Debug ROM(s):&lt;BR /&gt;RBASE E00FE000: CID B105100D PID 0000095000 ROM (type 0x1)&lt;BR /&gt;ROM 1 E00FF000: CID B105100D PID 04000BB4C9 ROM (type 0x1)&lt;BR /&gt;ROM 2 E000E000: CID B105900D PID 04000BBD21 CSt ARM ARMv8-M type 0x0 Misc - Undefined&lt;BR /&gt;ROM 2 E0001000: CID B105900D PID 04000BBD21 CSt ARM DWTv2 type 0x0 Misc - Undefined&lt;BR /&gt;ROM 2 E0002000: CID B105900D PID 04000BBD21 CSt ARM FPBv2 type 0x0 Misc - Undefined&lt;BR /&gt;ROM 2 E0000000: CID B105900D PID 04000BBD21 CSt ARM ITMv2 type 0x43 Trace Source - Bus&lt;BR /&gt;ROM 1 E0040000: CID B105900D PID 04000BBD21 CSt type 0x11 Trace Sink - TPIU&lt;BR /&gt;NXP: LPC55S69&lt;BR /&gt;DAP stride is 1024 bytes (256 words)&lt;BR /&gt;Inspected v.2 On chip Flash memory using IAP lib LPC55xx.cfx&lt;BR /&gt;Image 'LPC55xx May 22 2019 12:27:16'&lt;BR /&gt;Opening flash driver LPC55xx.cfx&lt;BR /&gt;Retask watch 0 &amp;lt;NONE&amp;gt; address 0x0 (unused) for boot rom stall&lt;BR /&gt;Sending SYSRESETREQ to run flash driver&lt;BR /&gt;AFTER driver startup timeout (302 5ms retries)&lt;BR /&gt;Driver Addresses&lt;BR /&gt;Start: 14000000&lt;BR /&gt;Entry: 14000035&lt;BR /&gt;End: 140003B8&lt;BR /&gt;Stack: 30000800&lt;BR /&gt;Mailbox:30006800&lt;BR /&gt;Driver Register State&lt;BR /&gt;R0: 03800000&lt;BR /&gt;R1: 30000820&lt;BR /&gt;R2: FFFFFFE0&lt;BR /&gt;R3: AB2A43D0&lt;BR /&gt;R4: 00000000&lt;BR /&gt;R5: 00000000&lt;BR /&gt;R6: 00000000&lt;BR /&gt;R7: 00000000&lt;BR /&gt;R8: 00000000&lt;BR /&gt;R9: 00000000&lt;BR /&gt;R10: 00000000&lt;BR /&gt;R11: 00000000&lt;BR /&gt;R12: 00000000&lt;BR /&gt;SP: 30000800&lt;BR /&gt;LR: 10002A0B&lt;BR /&gt;PC: 10002A18&lt;BR /&gt;xPSR: 01000007&lt;BR /&gt;MSP: 30000800&lt;BR /&gt;PSP: 30000F40&lt;BR /&gt;CFBP: 00000000 (CONTROL=0x0, FAULTMASK=0x0, BASEPRI=0x0, PRIMASK=0x0)&lt;BR /&gt;Flash Driver V.2 startup failed - rc Ef(34): Timed-out initializing flash.&lt;BR /&gt;chip initialization failed - Ef(34): Timed-out initializing flash.&lt;BR /&gt;failed to initialize flash driver LPC55xx.cfx&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN style="text-decoration: underline;"&gt;&lt;STRONG&gt;Flash Reset Error:&lt;/STRONG&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;C:\nxp\MCUXpressoIDE_11.0.0_2516\ide\binaries&amp;gt;crt_emu_cm_redlink.exe --flash-erase --rst -pLPC55S69 -v&lt;BR /&gt;Ns: MCUXpresso IDE RedlinkMulti Driver v11.0 (May 22 2019 13:46:40 - crt_emu_cm_redlink.exe build 6)&lt;/P&gt;&lt;P&gt;C:\nxp\MCUXpressoIDE_11.0.0_2516\ide\binaries&amp;gt;crt_emu_cm_redlink.exe --flash-erase --rst -pLPC55S69&lt;BR /&gt;Ns: MCUXpresso IDE RedlinkMulti Driver v11.0 (May 22 2019 13:46:40 - crt_emu_cm_redlink.exe build 6)&lt;BR /&gt;Wc(03). No cache support.&lt;BR /&gt;Nc: Found chip XML file in C:/nxp/MCUXpressoIDE_11.0.0_2516/ide/binaries\LPC55S69.xml&lt;BR /&gt;Nc: Restarted LinkServer process (PID 21804).&lt;BR /&gt;Nc: Using memory from core 0 after searching for a good core&lt;BR /&gt;Pc: ( 30) Emulator Connected&lt;BR /&gt;Nc: processor is in secure mode&lt;BR /&gt;Pc: ( 40) Debug Halt&lt;BR /&gt;Pc: ( 50) CPU ID&lt;BR /&gt;Nc: debug interface type = Cortex-M33 (DAP DP ID 6BA02477) over SWD TAP 0&lt;BR /&gt;Nc: processor type = Cortex-M33 (CPU ID 00000D21) on DAP AP 0&lt;BR /&gt;Nc: number of h/w breakpoints = 8&lt;BR /&gt;Nc: number of flash patches = 0&lt;BR /&gt;Nc: number of h/w watchpoints = 4&lt;BR /&gt;Nc: Probe(0): Connected&amp;amp;Reset. DpID: 6BA02477. CpuID: 00000D21. Info: &amp;lt;None&amp;gt;&lt;BR /&gt;Nc: Debug protocol: SWD. RTCK: Disabled. Vector catch: Disabled.&lt;BR /&gt;Ns: Content of CoreSight Debug ROM(s):&lt;BR /&gt;Nc: RBASE E00FE000: CID B105100D PID 0000095000 ROM (type 0x1)&lt;BR /&gt;Nc: ROM 1 E00FF000: CID B105100D PID 04000BB4C9 ROM (type 0x1)&lt;BR /&gt;Nc: ROM 2 E000E000: CID B105900D PID 04000BBD21 CSt ARM ARMv8-M type 0x0 Misc - Undefined&lt;BR /&gt;Nc: ROM 2 E0001000: CID B105900D PID 04000BBD21 CSt ARM DWTv2 type 0x0 Misc - Undefined&lt;BR /&gt;Nc: ROM 2 E0002000: CID B105900D PID 04000BBD21 CSt ARM FPBv2 type 0x0 Misc - Undefined&lt;BR /&gt;Nc: ROM 2 E0000000: CID B105900D PID 04000BBD21 CSt ARM ITMv2 type 0x43 Trace Source - Bus&lt;BR /&gt;Nc: ROM 1 E0040000: CID B105900D PID 04000BBD21 CSt type 0x11 Trace Sink - TPIU&lt;BR /&gt;Nc: NXP: LPC55S69&lt;BR /&gt;Nc: DAP stride is 1024 bytes (256 words)&lt;BR /&gt;Nc: Inspected v.2 On chip Flash memory using IAP lib LPC55xx.cfx&lt;BR /&gt;Nc: Image 'LPC55xx May 22 2019 12:27:16'&lt;BR /&gt;Nc: Opening flash driver LPC55xx.cfx&lt;BR /&gt;Nc: Sending VECTRESET to run flash driver&lt;BR /&gt;Nc: Flash variant 'LPC55xx (608KB)' detected (608KB = 19*32K at 0x0)&lt;BR /&gt;Nc: Closing flash driver LPC55xx.cfx&lt;BR /&gt;Nt: Reset target (system)&lt;BR /&gt;Nc: Starting execution using system reset and halt target&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Nc: Waiting for target to stop...&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;Xs:&lt;BR /&gt;Xc:&lt;BR /&gt;^C&lt;BR /&gt;C:\nxp\MCUXpressoIDE_11.0.0_2516\ide\binaries&amp;gt;&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Mon, 23 Sep 2019 09:54:10 GMT</pubDate>
      <guid>https://community.nxp.com/t5/LPC-Microcontrollers/LPC55S69-Flash-Initialization-reset-erase-failing/m-p/960193#M38045</guid>
      <dc:creator>aslam_syed</dc:creator>
      <dc:date>2019-09-23T09:54:10Z</dc:date>
    </item>
    <item>
      <title>Re: LPC55S69 Flash Initialization &amp; reset/erase failing</title>
      <link>https://community.nxp.com/t5/LPC-Microcontrollers/LPC55S69-Flash-Initialization-reset-erase-failing/m-p/960194#M38046</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;HI&amp;nbsp;&lt;A _jive_internal="true" data-content-finding="Community" data-userid="348451" data-username="aslam.syed@arm.com" href="https://community.nxp.com/people/aslam.syed@arm.com" style="color: #3d9ce7; background-color: #ffffff; border: 0px; font-weight: 600; text-decoration: none; font-size: 11.9994px;"&gt;ASLAM SYED&lt;/A&gt;&lt;/P&gt;&lt;P&gt;I wonder how I can reproduce your issue.&lt;/P&gt;&lt;P&gt;You use&amp;nbsp;&lt;SPAN style="color: #51626f; background-color: #ffffff;"&gt;MCUXpressoIDE_11.0.0. &lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN style="color: #51626f; background-color: #ffffff;"&gt;- What's your SDK version? &lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN style="color: #51626f; background-color: #ffffff;"&gt;- do you use NXP demo board or your own designed PCB?&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN style="color: #51626f; background-color: #ffffff;"&gt;- What emulator interface do you use?&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN style="color: #51626f; background-color: #ffffff;"&gt;- Your board can't connect MCUXpresso IDE when debug&amp;nbsp;&lt;SPAN&gt;lpcxpresso55s69_gpio_led_output. please send me screenshot about that.&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN style="color: #51626f; background-color: #ffffff;"&gt;&lt;SPAN&gt;Thanks.&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;BR /&gt;Have a great day,&lt;BR /&gt;Jun Zhang&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;-------------------------------------------------------------------------------&lt;BR /&gt;Note:&lt;BR /&gt;- If this post answers your question, please click the "Mark Correct" button. Thank you!&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;- We are following threads for 7 weeks after the last post, later replies are ignored&lt;BR /&gt; Please open a new thread and refer to the closed one, if you have a related question at a later point in time.&lt;BR /&gt;-------------------------------------------------------------------------------&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Mon, 23 Sep 2019 11:33:03 GMT</pubDate>
      <guid>https://community.nxp.com/t5/LPC-Microcontrollers/LPC55S69-Flash-Initialization-reset-erase-failing/m-p/960194#M38046</guid>
      <dc:creator>ZhangJennie</dc:creator>
      <dc:date>2019-09-23T11:33:03Z</dc:date>
    </item>
    <item>
      <title>Re: LPC55S69 Flash Initialization &amp; reset/erase failing</title>
      <link>https://community.nxp.com/t5/LPC-Microcontrollers/LPC55S69-Flash-Initialization-reset-erase-failing/m-p/960195#M38047</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hi Jun Zhang,&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Please find the details below:&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;- What's your SDK version?&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;  1.  I am using SDK_2.6.2_LPCXpresso55S69&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;- do you use NXP demo board or your own designed PCB?&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;  1.  I am using NXP LPC55S69 EVK board&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;- What emulator interface do you use?&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;  1.  I am using CMSIS-DAP&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;- Your board can't connect MCUXpresso IDE when debug lpcxpresso55s69_gpio_led_output. please send me screenshot about that.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;  1.  Please find the screenshots attached&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Regards&lt;/P&gt;&lt;P&gt;Aslam Syed&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Mon, 23 Sep 2019 12:44:24 GMT</pubDate>
      <guid>https://community.nxp.com/t5/LPC-Microcontrollers/LPC55S69-Flash-Initialization-reset-erase-failing/m-p/960195#M38047</guid>
      <dc:creator>aslam_syed</dc:creator>
      <dc:date>2019-09-23T12:44:24Z</dc:date>
    </item>
    <item>
      <title>Re: LPC55S69 Flash Initialization &amp; reset/erase failing</title>
      <link>https://community.nxp.com/t5/LPC-Microcontrollers/LPC55S69-Flash-Initialization-reset-erase-failing/m-p/960196#M38048</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;HI&lt;/P&gt;&lt;P&gt;1. first I would suggest you refresh your LPCXPresso55s69&amp;nbsp;&lt;SPAN style="color: #51626f; background-color: #ffffff;"&gt;CMSIS-DAP firmware with LPCScrypt. Make sure your board is in DFU mode during updating. Thus we can make sure the on board debugger firmware is in good.&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN style="color: #51626f; background-color: #ffffff;"&gt;&lt;span class="lia-inline-image-display-wrapper" image-alt="pastedImage_1.png"&gt;&lt;img src="https://community.nxp.com/t5/image/serverpage/image-id/88719iC8C5A45DC6D7D023/image-size/large?v=v2&amp;amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /&gt;&lt;/span&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN style="color: #51626f; background-color: #ffffff;"&gt;2. remove DFU jumper, reconnect board. you should be able to see LPC-Jlink2 appears in device manager:&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN style="color: #51626f; background-color: #ffffff;"&gt;&lt;span class="lia-inline-image-display-wrapper" image-alt="pastedImage_2.png"&gt;&lt;img src="https://community.nxp.com/t5/image/serverpage/image-id/89254i057F062C3D155488/image-size/large?v=v2&amp;amp;px=999" role="button" title="pastedImage_2.png" alt="pastedImage_2.png" /&gt;&lt;/span&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN style="color: #51626f; background-color: #ffffff;"&gt; then create a NEW project under a NEW workspace, test how it works. if still can't connect. test it on another computer.&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN style="color: #51626f; background-color: #ffffff;"&gt;3. If above can not help you, I suggest you try latest MCUxpresso IDE v11.0.1+ SDK2.6.3.&amp;nbsp; I have tested these combination, it works well.&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN style="color: #51626f; background-color: #ffffff;"&gt;I was told SDK2.6.3 will be released on 25,Sept.&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN style="color: #51626f; background-color: #ffffff;"&gt;&amp;nbsp;&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;BR /&gt;Have a great day,&lt;BR /&gt;Jun Zhang&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;-------------------------------------------------------------------------------&lt;BR /&gt;Note:&lt;BR /&gt;- If this post answers your question, please click the "Mark Correct" button. Thank you!&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;- We are following threads for 7 weeks after the last post, later replies are ignored&lt;BR /&gt; Please open a new thread and refer to the closed one, if you have a related question at a later point in time.&lt;BR /&gt;-------------------------------------------------------------------------------&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Tue, 24 Sep 2019 02:45:51 GMT</pubDate>
      <guid>https://community.nxp.com/t5/LPC-Microcontrollers/LPC55S69-Flash-Initialization-reset-erase-failing/m-p/960196#M38048</guid>
      <dc:creator>ZhangJennie</dc:creator>
      <dc:date>2019-09-24T02:45:51Z</dc:date>
    </item>
    <item>
      <title>Re: LPC55S69 Flash Initialization &amp; reset/erase failing</title>
      <link>https://community.nxp.com/t5/LPC-Microcontrollers/LPC55S69-Flash-Initialization-reset-erase-failing/m-p/960197#M38049</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hi Zhang,&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Please find my comments inline below&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Regards&lt;/P&gt;&lt;P&gt;Aslam Syed&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Tue, 24 Sep 2019 10:33:10 GMT</pubDate>
      <guid>https://community.nxp.com/t5/LPC-Microcontrollers/LPC55S69-Flash-Initialization-reset-erase-failing/m-p/960197#M38049</guid>
      <dc:creator>aslam_syed</dc:creator>
      <dc:date>2019-09-24T10:33:10Z</dc:date>
    </item>
    <item>
      <title>Re: LPC55S69 Flash Initialization &amp; reset/erase failing</title>
      <link>https://community.nxp.com/t5/LPC-Microcontrollers/LPC55S69-Flash-Initialization-reset-erase-failing/m-p/960198#M38050</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;I don't see your comments.&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Wed, 25 Sep 2019 04:07:50 GMT</pubDate>
      <guid>https://community.nxp.com/t5/LPC-Microcontrollers/LPC55S69-Flash-Initialization-reset-erase-failing/m-p/960198#M38050</guid>
      <dc:creator>ZhangJennie</dc:creator>
      <dc:date>2019-09-25T04:07:50Z</dc:date>
    </item>
    <item>
      <title>Re: LPC55S69 Flash Initialization &amp; reset/erase failing</title>
      <link>https://community.nxp.com/t5/LPC-Microcontrollers/LPC55S69-Flash-Initialization-reset-erase-failing/m-p/960199#M38051</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hi Zhang&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;After updating to the latest NXP SDK 2.6.3, I am able to flash successfully without any errors. So it must have been some issue with old SDK 2.6.2&lt;/P&gt;&lt;P&gt;Hence my issue is now resolved. Thanks again for your support&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Regards&lt;/P&gt;&lt;P&gt;Aslam Syed&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Thu, 26 Sep 2019 17:52:33 GMT</pubDate>
      <guid>https://community.nxp.com/t5/LPC-Microcontrollers/LPC55S69-Flash-Initialization-reset-erase-failing/m-p/960199#M38051</guid>
      <dc:creator>aslam_syed</dc:creator>
      <dc:date>2019-09-26T17:52:33Z</dc:date>
    </item>
    <item>
      <title>Re: LPC55S69 Flash Initialization &amp; reset/erase failing</title>
      <link>https://community.nxp.com/t5/LPC-Microcontrollers/LPC55S69-Flash-Initialization-reset-erase-failing/m-p/960200#M38052</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Good to know your problem has been resolved.&amp;nbsp;&lt;/P&gt;&lt;P&gt;You are welcome!&lt;/P&gt;&lt;P&gt;&lt;BR /&gt;Have a great day,&lt;BR /&gt;Jun Zhang&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;-------------------------------------------------------------------------------&lt;BR /&gt;Note:&lt;BR /&gt;- If this post answers your question, please click the "Mark Correct" button. Thank you!&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;- We are following threads for 7 weeks after the last post, later replies are ignored&lt;BR /&gt; Please open a new thread and refer to the closed one, if you have a related question at a later point in time.&lt;BR /&gt;-------------------------------------------------------------------------------&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Fri, 27 Sep 2019 03:44:53 GMT</pubDate>
      <guid>https://community.nxp.com/t5/LPC-Microcontrollers/LPC55S69-Flash-Initialization-reset-erase-failing/m-p/960200#M38052</guid>
      <dc:creator>ZhangJennie</dc:creator>
      <dc:date>2019-09-27T03:44:53Z</dc:date>
    </item>
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