These two GPIO bits are connected to the U38 MSP430 system controller for general purpose signaling or communications between the Zynq UltraScale+ RFSoC and the MSP430 system controller. These signals are level-shifted by TXS0108E U37. The connections between the U38 system controller and the ZU67DR RFSoC are listed in following table.
| Net Name | MSP430 U38 |
|---|---|
| Pin Name | |
| MIO38_PS_GPIO1 | P1_6 |
| MIO13_PS_GPIO2 | P1_7 |