• FTM - updating modulus value

    I have a board design which incorporates a GPS receiver as a precision timing reference. The receiver produces a pulse at the start of each GPS second which is then followed by serial data which includes time and date...
    J Stark
    last modified by J Stark
  • KE06z Bootloader SWD failure

    Currently we are trying to use the KE06z to program our developed board.   For about 15-30 uploads the board seems to work with no issue. Inevitably the board fails to upload the .srec file to the target process...
    cody hubman
    last modified by cody hubman
  • Are Kinetis IC's senstive to blowing up?

    Hi --   I am designing a product with a K60DX256VLL10  processor in the 100 pin LQFP package.  Of the first 5 chips, four stopped working soon after installation, but I wrote it off to problems with th...
    last modified by GARY OLMSTEAD
  • 使用TRK-KEA8重新上电故障

    您好,我想问下,我在使用nxp的TRK-KEA8这个板子的时候, 编译环境为CodeWarrior。 使用自带pe的生成代码功能生成了代码,实现了 简单的LED亮灭效果。 但是在我下电之后重新上电,LED并没有出现之前的亮灭情况,请问这是为什么呢?
    尧 付
    last modified by 尧 付
  • FW in RAM Debug running speed is different vs Flash Release

    Hello. I noticed that when writing a program to a Flash (Kinetis TWR-K21 development board,1024KB Flash, 128KB RAM), it starts to work much slower than when working with an internal USB debugger into RAM. How can th...
    Evgeni Kosakovski
    last modified by Evgeni Kosakovski
  • Connecting floating point type to project

    Hello.   I am working with IAR and Kinetis TWR-K21 development board,1024KB Flash, 128KB RAM. When a function is called, which contains variables of float type, HardFault_Handler occurs. When studying this topi...
    Evgeni Kosakovski
    last modified by Evgeni Kosakovski
  • Security

    hello, Security register is  In address 0x40c, if i want to change it to security I must erase total sector which include address 0x40C, then call program command, but if i erased this sector, code in this secto...
    kui wu
    last modified by kui wu
  • Unused USB Pin configuration in MK60DN512VLQ10

    Hi,       I'm creating a design with MK60DN512VLQ10 device for Power electronics control application. In that design i am not using USB Functionality.       What should i do with follow...
    Nandish Jasani
    last modified by Nandish Jasani
  • Could not find CFI complaint flash device

    While re-programming our KM34Z256VLL7 we get the message 'Could not find CFI compliant flash device". I tried all options, power cycling, multiple resets, unlock kinetis, etc. but nothing seems to work. Can anyone p...
    Arvind Reddy Maram
    last modified by Arvind Reddy Maram
  • SD card on K21

    Hello. Currently, I am working on TWR-K21 with the Kinetis K21 microcontroller and using sample NXP project sdcard_fatfs through SDIO. When running project I see the following situation: After turning 'ON' the S...
    Evgeni Kosakovski
    last modified by Evgeni Kosakovski
  • Vin1 and Vin2 CMP DAC of MK60DN512VLQ10

    Hi,       In my design i need to use internal comparator in MK60DN512VLQ10. I read comparator in chip manual. I have not found source of Vin1 and Vin2 of 6-Bit DAC of Comparator.       ...
    Nandish Jasani
    last modified by Nandish Jasani
  • Systick timer problem of KEA8

    I have a strange problem with kea8.It  My core clock is FEI mode ,48Mhz,and bus clock is 24Mhz.And configure code as below: ICS_C2 = 0x20;  ICS_C1 = 0x04;  while ((ICS_S & ICS_S_LOCK_MASK) == 0)...
    Charl Zou
    last modified by Charl Zou
  • Question on freeMASTER

    Hi there I'm new to using freeMASTER & would appreciate if someone can help with following 1. How to use a command line to issue START command to freeMASTER to start with logging. For our test appli...
    Vinod Pandey
    last modified by Vinod Pandey
  • K64F512x Ethernet issue

    I am coding the lwip FW on MK64F512x board. The waveform of the TXD0/TXD1 on ping 46, 47 are without any signal and always keep on the low level. It is seem that lwip does not act. The SDK used is version 2.8....
    Andy Hsu
    last modified by Andy Hsu
  • kw36 keeps resetting

    I downloaded the wrong code in it and with the oscilloscope I see the reset pin is being pulled down all the time: I can't erase it with jlink either, the connection fails. What should I do?
    mo xinyu
    last modified by mo xinyu
  • K60 - Can I Leave Reset Pin Floating?

    We are designing a product that uses the K60 MPU. We are not planning to use the RESET_b pin (except for programming the MPU). Can this pin be left floating (it has internal pull up resistor) or should it be pulled hi...
    Hugh Worrall
    last modified by Hugh Worrall
  • Reset pin recommendations for Kinetis devices

    Hey there Kinetis lovers!  We in the Systems Engineering team for Kinetis Microcontrollers see all kinds of situations that customers get into, and none can be particularly troubling like how the reset pin is han...
    Chris Brown
    last modified by Chris Brown
  • Kinetis K60 ADC readings ar way off

    Hi --   I am designing a Kinetis K60 into a project.  I have two boards that both basically work, but the ADC readings don't match.  For simplicity I will focus on the readings from the bandgap, but al...
    last modified by GARY OLMSTEAD
  • external RAM for Kinetis KV5x (MKV58F1M0VLQ24)

    Hi all,   we are using the Kinetis MKV58F1M0VLQ24 on a custom pcb and plan to implement an additional, external RAM (>= 512kB) via the FlexBus interface, as the memory of the µC doesn't suffice our need...
    Julian Schork
    last modified by Julian Schork
  • K70 and DDR2 SDRAM unstable work

    Hi All, on our custom board ( based on MK70FX512VMJ15 and MT47H64M16HR-3 AAT:H TR) we have problems that appear randomly in the field. The device can work up to 20 days without any problems. Then one DDR byte lane can...
    Vitaliy Avramenko
    last modified by Vitaliy Avramenko