AnsweredAssumed Answered

Problem Processor Expert configuration, please help me!

Question asked by Kenan SUN on Mar 26, 2014
Latest reply on Apr 15, 2014 by Kenan SUN

Hello! I'm working on the FRDM-K20D50M evaluation board and I use Eclipse-based Processor Expert to create a project.But I've got some troubles with GPIO configuration in the Processor Expert.


I'm trying to set the pin TSI0_CH3/PTA2/JTAG_TDO... as an output port in the GPIO_LDD component, but it tells me that this pin is already used by the CPU.


In the CPU panel, it shows,


In fact, what I wanna do is that, when the program runs, this pin should be a GPIO and when I download or debug the program, this pin should work as a JTAG port. Then how to deal with this problem? Please help me!