Hi,
I am using XMS432P401RIZXHR for my development, and I have a question on TCK on JTAG.
When an example code (LED blinking code) is running (w/o a JTAG debugger connected with 3V power supply), I am measuring the voltage from JTAG as follows.
1. TMS: 3 VDC
2. TCK: 0 VDC
3. TDO: 0 VDC
4. TDI: 3 VDC
Is this what we can expect?
The reason why I am asking is we have two MCUs (MSP432 and another MCU) in our system and we are daisy-chaining the two JTAGs to save the space. As you can see from daisy-chaining JTAG, the two TCKs are connected in parallel, but because for the other MCU, TCK is measured at 3 VDC, this voltage difference at the TCKs cause ~100 uA current increase when they are connected in parallel.
Do you have any idea how to make TCK voltage from MSP432 3.0 VDC with the software configuration?
Thanks,
Il Han