06-24-2019 02:02 AM
The TDI and TMS pins have internal weak pull-up resistors, while the TCK pin has an internal weak pulldown resistor.
Intel recommends to:
- pull the TMS signal high externally through 10-kΩ and the
- pull the TCK signal low through 1-kΩ resistors.
Please refer to following link for more details (on page 5):