1. Could we Tristate the UART Pins and Pins Mentioned below in Snapshot (See snapshot of schematic for Reference).We are using these Pins for interface with RF Module and Antenna Module .So, Is there any Hardware mechanism so that we can Tri-State these

[arunmantoo]

[igorpadykov]

Hi ARUN

there is no tri-state functionality on i.MX6DQ pad, one can
use open drain, ODE bit11 IOMUXC_SW_PAD_CTL_PAD_x_y register
described in IOMUX Chapter of i.MX6DQ Reference Manual
https://www.nxp.com/docs/en/reference-manual/IMX6DQRM.pdf

Best regards
igor
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