• “Could not find Cortex-M device in the JTAG chain!” (TM4C123g)
    The board was working fine but all of the sudden I can't download any code on it from Keil. Whenever I try to download code on the board, I get "Could not find Cortex-M device in the JTAG chain!...
  • TI Tiva C Launchpad return from interrupt
    Hello, I was wondering if there was a way to use an interrupt without storing/resting the states of the microcontroller that were present before the interrupt occurred? I am using an edge interrupt...
  • JTAG Device chain error
    while downloading code with JTAG debugger it gives message "JTAG Device Chain error". How to remove this error?
  • two JTAG devices in the chain???
    Hi, I'm starting with the STM32F103 cortex processor. When I take a look into the options-for-target > debug > Ulink Cortex Debugger, there are two JTAG devices (ARM CoreSight JTAG-DP and Unknown...
  • JTAG Device Chain
    I'm working with Infineon XC16x board ( with XC164 ) and with our production board with a setup for external multiplexed 16 bit RAM and internal ROM . My problem is : using the ULINK interface , with...