• UartPeripheral() cannot open PC UART port

    Hello ,when I’m testing  the example of AN12327, and I follow the steps one by one, but after I started with the flash_program.bat . It caused an error named "UartPeripheral() cannot open PC UART port (COM5...
    小白 张
    last modified by 小白 张
  • LPC55S66 USB device

    I'm trying to get our custom LPC55S66 board running as a USB high speed device.   I can build the LPCExpresso EVK examples, such as dev_cdc_vcom_lite_bm, and run them on the EVK board.  But I have not figur...
    Mike Ditto
    last modified by Mike Ditto
  • BSDL file for LPC55S28

    Hi - we are using Boundary Scan for testing a product which uses LPC5528. Would it be possible to get the BSDL File? thanks regards, Ranjeet
    Ranjeet Malhotra
    last modified by Ranjeet Malhotra
  • Default Flash Memory state

    Hi,   from some posts I get that the default state of Flash Memory (after erase) is "0", instead of "1", which is normal for Flash memory: Flash programming granularity LPC55  LPC55S69 : erased flash stat...
    Jan de Ruiter
    last modified by Jan de Ruiter
  • LPC55S69 : what is NOP for flash memory ?

    Hi !   Unfortunately flash memory can be written by 512 bytes chunks only. But I need to sabe small 16-128 bytes chunks and I can see I can read modify and write the same page several times.   LPC55S69 fl...
    Eugene Hiihtaja
    last modified by Eugene Hiihtaja
  • LPC55xx: Specifications internal reference voltage

    Hi,   from table 706 in the user manual (UM11126) I get that the ADC can measure a 1V reference voltage ("Bias_vref_1v from aux_bias module"). I would like to use it, but I can't find any specification for it i...
    Jan de Ruiter
    last modified by Jan de Ruiter
  • Need BSDL files for LPC55S28JBD100 and PLX2162PC82029B/LX2162RE82029B

    I am working on test development for a board with LPC55S28JBD100 SoC and PLX2162PC82029B(ES part number)/LX2162RE82029B(production part number). We are planning to use JTAG boundary scan since both devices a...
    Prashanth Muppala
    last modified by Prashanth Muppala
  • Signing firmware , how to restrict ?

    Hi Sorry in advance if this is a dumb question about signed firmware.   I've read the Secure Boot AN and the LPC55  user manual, but there is something i'm missing   The secure boot firmware contains...
    Tres Curieux
    last modified by Tres Curieux
  • Accessing UUID

    I'm running on our custom LPC55S69 board.  I'm trying to access the UUID in the protected flash region.  After reading the Flash_ifr_driver section of the SDK API Reference Manual, I added the "IAP1" driver ...
    Mike Ditto
    last modified by Mike Ditto

    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
  • ENOB of ADC if using 12bit single ended mode

    Hi, I cannot find the ENOB of ADC 12bit mode for LPC5528.    What is the ENOB if I use 12bit single ended mode?
    Francis Yeung
    last modified by Francis Yeung
  • LPC55S69 + PowerQuad Part 1 :  A Great Solution for the Industrial IOT and Smart Metering.

    Built into the LPC55S69 is a powerful coprocessor called the “PowerQuad”.   In this article we are going to introduce the PowerQuad and some interesting use cases.   Over the next sever...
    Eli Hughes
    last modified by Eli Hughes
  • 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
  • X-ray the Monkey!  Mini-Monkey Rev B Update

    I had some design updates for “Rev B” of my Mini-Monkey design that I wanted to get in the "queue" for testing.  For the next revision, I wanted to try PCB:NG for the board fabrication and assemb...
    Eli Hughes
    last modified by Eli Hughes
  • Difference between SDAX/SCLX and SDA/SCL pin functions in LPC55xx?

    We are currently developing a new product, based around the LPC55xx series. I noticed that some pins can be configured as SDAX or as SDA, or similarly, SCLX or SCL. However, looking in the user manual of the processo...
    Arno Moonen
    last modified by Arno Moonen
  • two system tick timers in CPU0 in lpc55s69

    Hello All   As we know, there are 2 system tick timers in CPU0. I am trying to initialize secure one in secure world and non-secure one in trustzone example project(hello-world and My IDE is IAR 8.40).  1....
    binjun wang
    last modified by binjun wang
  • LPC55S16 - Curiosity about Casper API

    Hello,   As I was exploring the API for CASPER (LPC55S16), I realized that the exponent and the modulus used for the modular exponentiation function weren't declared of the same size. Out of curiosity, why not d...
  • LPC55XX ADC Convertion Time

    Dears,     As we known, LPC55XX ADC sample ratw is 2MHz, can I know the ADC convertion time?   Thanks & BRs, Ray
    Ray Deng
    last modified by Ray Deng
  • Voltage drop every adc trigger

    Currently I am using LPC5528, I have to do 1M sample/s ADC sampling continuously, keep streaming out the value.   I attach 96M HF clock to adc with divider = 4, STS = 3, 16bit resolution. loop cnt = 15, it will...
    Francis Yeung
    last modified by Francis Yeung
  • 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
    last modified by Eugene Hiihtaja