• LPC55S69 Signed Image Boot - Questions on using Certificate Chains?

    I've read through Application Note 12283 (LPC55Sxx Secure Boot) and am trying to work through exactly how a certificate chain, if it is used, is walked on the processor.  My confusion is that the App Note on...
    Jeffrey Longo
    last modified by Jeffrey Longo
  • LPC54XXX Layout

    Hello   I am looking for a little more information regarding the layout of this IC. Working with the IMXRT family documentation I came across the design guide "IMXRT1010HDUG" and wondered if there was ...
    last modified by smiller@alicat.com
  • LPC4088 I/O assignment

    Hi, I am working with the LPC4088 and I have the EA mbed project as a start-point but I am trying to reallocate some of the I/O.  I can not find how the I/O is currently allocated e.g. how does a certain LCD driv...
    Graham Sewell
    last modified by Graham Sewell
  • Power for RTC on LPC54101

    Hi,   I have a question regarding the RTC on the LPC5410x. We are developing a new product based on the LPC54101.   On all other LPC Chips we used so far the RTC runs from a separate power pin VBAT. But...
    last modified by sturzi
  • Failing to get multicore_blinky_m0app running on LPC4370

    Sorry for such a newbie question, but ... I have two LPC Link-2 boards. One to act as the debug link and one to be the target. Following the instructions in "Using an LPC-Link2 as an LPC4370 evaluation board" I ...
    Simon Prentice
    last modified by Simon Prentice
  • LPC54618 USB bootloader shows  "COM Port NXP RDDRONE-FMUK66" instead of Mass Storage Device

    Hello,   we use  LPC54618 for our product. During production/test we write firmware into the device using the internal mass storage device  (MSD). Recently some devices failed in the production. Tests ...
    Gunnar Bohlen
    last modified by Gunnar Bohlen
  • Redlib sscanf %hhu

    I have a few files that are common to different microcontrollers and I noticed that sscanf %hhu seems not to work with the Redlib on a LPC54016 C project.   This is more less a snippet of my code:   unsign...
    David Kaplan
    last modified by David Kaplan

    Hi In the SDK 2.7.0 for LPC54018 I have found this SYSCON_Type struct rather odd. The SPI10 with its FCLKSEL is defined separately from other SPI interface FCLKSEL. What is the reason? Can this be changed in the next...
    Daniel Gull
    last modified by Daniel Gull
  • LPC55xx Power consumption when in RESET

    Hi,   I'm implementing a Battery backup for the RTC of the LPC55xx MCU. Looking at Table 17 of the Datasheet (LPC55S3X-LPC552X Rev. 1.8) I see that in deep power-down with the RTC enabled the typical current is ...
    Martin Hollenweger
    last modified by Martin Hollenweger
  • Problems with Demo LPC8N04 BSP V1.1 demo_app, doesn't work after a powercycle

    Hi, In an earlier thread Can someone provide me with the out-of-the-box firmware/code?  I got the proper out-of-the-box firmware for the LPC8N04 devkit. However, Ive got a few problems with this firmware.  ...
    M Spit
    last modified by M Spit
  • LPC54608 reset  Threshold voltage

    I use LPC54608J512ET180E. N13 is reset pin. I ask about the input voltage on this pin. Please tell me the voltage at which the reset of this pin is released. Please tell me the threshold voltage of reset or operat...
    実 奥山
    last modified by 実 奥山
  • LPC ROM Bootloader Documentation: where is default pinmux listed

    Hi,   I am trying to locate the listing for the default pinmux for the ROM bootlader for LPC824.    Looking through the MCU Bootloader v2.5.0 guide it states that the source code for peripherals_pinmu...
    Ed B
    last modified by Ed B
  • USBHostLite and Fat32

    USBHostLite natively supports Fat16. I found the below page referring to changes to be made to USBHostLite in order to support Fat32. However the link to Martin THOMAS's web page for Fat32 LPC17xx port is no longer ac...
    bob belmont
    last modified by bob belmont
  • Can someone provide me with the out-of-the-box firmware/code?

    Hi LPC engineers,   I have bought the LPC8N04 Development board to research the usage of the microcontroller for our system. With this board is provided a Board Support Package and an SDK for MCUXpresso, but bo...
    M Spit
    last modified by M Spit
  • LPC5460x USB Secondary Bootloader using YModem

    請教一下 有像 AN12384 LPC5460x UART Secondary Bootloader using YModem 文件一樣,將 1.UART接口改為USB接口使用 Bootloader 2.使用MCUXpresso IDE v11.0.1產生燒錄檔 是否有說明的文件,或範例可以參考 謝謝
    寶凱 李
    last modified by 寶凱 李
  • LPCXpresso546xx OM13092 PCB revision history

    Hi I have several boards of the PCB family related to LPCXpresso546xx - LPCXpresso54608 Evalboard Revision B    OM13092 - LPCXpresso546xx Evalboard Revision C    OM13092, OM13094, OM1309...
    Daniel Gull
    last modified by Daniel Gull
  • Debug config file for Keil and LPCXpresso 54608 board (SDRAM)

    Is there a debug configuration file/script available for the LPC54608 Xpresso board so that the SDRAM is initalized by the debugger for Keil ? Similar to this: https://community.nxp.com/message/758760?commentID=...
    Carsten Groen
    last modified by Carsten Groen
  • CMSIS LPC540xx.h

    In the CMSIS header file of SDK_2.7.0_LPCXpresso54018\devices\LPC54018\LPC54018.h the entry  SYSCON_EMCDYCTRL_CMD_DELAY_... is not identical to the entry in the file SDK_2.7.0_LPC54628J512\devices\LPC54628\LPC5...
    Daniel Gull
    last modified by Daniel Gull
  • Recommended circuit for RTC Battery backup

    Hi I'm planing of using the LPC5526 MCU for a new project. The Project needs a Battery backup RTC. As I understand the LPC55xx family don't has a dedicated RTC Power-domain ( there is no VBAT_RTC pin only a VBAT_PMU ...
    Martin Hollenweger
    last modified by Martin Hollenweger
  • SWD就不能用了,无法继续下载了。已经换了四次芯片都是会出现这个问题

    问题:我在使用LPC54114的SWD时遇到了一个问题,下载几次后,SWD就不能用了,无法继续下载了。已经换了四次芯片都是会出现这个问题 分析:经过测试过Ulink2没有问题,下面是在别的板子上的测试   按照手册里说的SWLCK和SWDIO引脚都已经内部上拉 而且我也在外部使用100K电阻进向上拉 测量电压:VCC        ...
    亚男 侯
    last modified by 亚男 侯