• CTIMER DMA requests/triggers, pacing the transfers

    I got a DMA0 channel to successfully trigger from a CTIMER0 trigger source. The setup is as follows (using a custom board, not EVAL):   1. CTIMER0 with match1, with a capture input as source (10 MHz clock). Also...
    Hemanth M
    last modified by Hemanth M
  • Hex file for IAP in lpc1788

    Hello Everyone   I'm looking for how to read hex file from USB (USB Interfaced successfully) and decode the data in RAM for write into internal flash of lpc1788 for In-Application Programming. In which form...
    rameshlalji9595@gmail.com
    last modified by rameshlalji9595@gmail.com
  • process dma data from adc

    hi all i am working on a project dealing with transferring adc data via DMA. i need to know the the end of data address at destination buffer where i stopped conversion so i can put a flag for end of data. i also nee...
    navid fanaee
    last modified by navid fanaee
  • LPC804 - Problem with pin P0.8

    Greetings, I'm working on a project with LPC804 (TSSOP20) and I came across a problem I can't handle. I have a simple program for capturing falling edges on pin P0.8. Pin P0.9 is used to control the thyristor and P0.1...
    Master Boy
    last modified by Master Boy
  • LPC55 CMPA BLOCK_SET_KEY and SB2

    I'm using the 1B version of LPC55S69.   When setting the BLOCK_SET_KEY to 01b (Disable PUF Key Code generation) of the SECURE_BOOT_CFG in the CMPA, blhost's receive-sb-file can't work with aborting. If we'd lik...
    Hideyuki Kamii
    last modified by Hideyuki Kamii
  • LPC55S69 : SAU minimal configuration

    Hi !   I would like to simplify memory attributes configuration and decide to disable IDAU. Looks like it is redundant in common cases.   Do I understand right and in case of SAU I should specify only NS a...
    Eugene Hiihtaja
    last modified by Eugene Hiihtaja
  • LPC55S69 : PUF usage

    Hello ! 1. Do I understand right and PUF can work with CoreClock up to 150 Mhz ? Or some limitation available  like with Flash memory operations ?   2. It is not so clear about recovery of PUF after Pow...
    Eugene Hiihtaja
    last modified by Eugene Hiihtaja
  • Clock idle level on SPI port LPC54628 not correct during DMA?

    Hello, we have a design with a LPC54628. Flexcomm6 is configured for SPI Master and is basically working fine (using DMA transfers). However, when looking at CPOL/CPHA, there is something not quite right. During "nor...
    Carsten Groen
    last modified by Carsten Groen
  • LPC55S69 : blhost, write activation code only

    Hi !   In PUF application note is mentioned how.to enroll PUF via ISP commands.   • Enroll the PUF—this command calls a ROM code that configures, starts, and enrolls the PUF periphery: .\blhost...
    Eugene Hiihtaja
    created by Eugene Hiihtaja
  • LPC55S69 : read FFR at 150Mhz

    Hello !   Do I undestand right and FFR API have 96Mhz limitation ?   I try to read AC code from it at Core clock 150Mhz and it freeze at some point in this code :   FLASH_Init(&flashInstance...
    Eugene Hiihtaja
    created by Eugene Hiihtaja
  • I2C Over USB Application using LPC1347 and LPCOpen

    Kerry Zhou     LPC1347 LPCOpen usbd_rom_hid_i2c example code     Hello,   For my project I am using an LPC1347 development board. I am trying to achieve an I2C communication with a Microchi...
    Madhukar Arora
    last modified by Madhukar Arora
  • USBD_API->hw->Init() will fail by garbage beyond the end of USB_FsConfigDescriptor[]

    Hi.   I'm testing LPC11U35FHI33/501, now about USB-ROM driver with the example of 'nxp_lpcxpresso_11u37_usbd_rom_composite' from lpcopen_v2_03_lpcxpresso_nxp_lpcxpresso_11u37h.zip.   The sample works well,...
    Shige URATAN
    last modified by Shige URATAN
  • Reinvoke ISP issue on a LPC802?

    Does anyone have an example of implementing the reinvoke_isp on a LPC802? Also what is meant by this line in the manual "If using USART ISP mode, enable the clocks to the default before calling this command."? Are th...
    t123456
    last modified by t123456
  • CC_SOCU_DLFT in CMPA

    Hello,   We'd like LPC55S69 to enter "OEM Closed" lifecycle state and close all debug ports permanently. For this transition, which CMPA configuration is correct?   [Configuration 1] CMPA.CC_SOCU_PIN = 0...
    Hideyuki Kamii
    last modified by Hideyuki Kamii
  • RS485 DIR PIN Ctrl

    Content originally posted in LPCWare by lba on Tue Nov 06 08:52:45 MST 2012 Hi I have made a auto dir ctrl in a 11U14 and has now move it to a 1225/321, but does work. My code is   LPC_IOCON->PIO2_0 &= ~...
    lpcware
    last modified by lpcware
  • Letter of Volatility-LPC178x/7x

    Hello,   I'm trying to obtain what's called a letter of volatility (LoV) for the referenced controller.  This letter or statement would break down the various memory modules that are present as well as...
    Brad Sweigert
    last modified by Brad Sweigert
  • Writing error using IAP functions

    Hello,   I am devoloping a bootloader implementation for LPC4333. For that, I am using the IAP functions to write on Flash. I am following the workflow I found in the AN10835 (for LPC2000).   I have 2 mai...
    Gaston Bassi
    last modified by Gaston Bassi
  • LPC54628 Brownout Interrupt Detection

    Hi, I am working with brownout interrupt detection on LPC54628. Lowering the VDD level to the BOD interrupt level triggers the interrupt. However the interrupt is constantly triggered while I am on this level (i.e....
    Daniel Gull
    last modified by Daniel Gull
  • ADC output fluctuation in LPC54608J512BD208 microcontroller

    Hi, I am using LPC54608J512BD208 microcontroller in an application. The ADC accuracy is crucial as the product is used in a Power protection segment. I am getting fluctuations in ADC output with constant DC input. ...
    Prasanna Naik
    created by Prasanna Naik
  • Lifetime of LPC54608

    Actually we are using LPC54608 Controller to interface 10 types of devices through serial ports. But the customer has asked me that, what is the lifetime of your major components in the product. In my routing pro...
    Avinash G
    last modified by Avinash G