Analog Devices ADRV9001 User Manual page 237

Preliminary Technical Data UG-1828
Figure 221. GPIO Configuration
For more detailed information refer to Rx Gain Control section of this document.
Tx Attenuation Control
User can utilize DGPIO pins for TX attenuation control. User can assign DGPIO pins to attenuation increment and decrement. The step
size can be specified in the "Attenuation Control" tab. Default step size is set to 0.05 dB.
Figure 222. Attenuation Control (Tx)
Once the pins have been assigned, user can go to Transmit tab and start normal playback. User can then adjust Tx attenuation level using
the up-down arrows and this will adjust the Tx attenuation value by the step size specified before.
Rx and Tx Overview
The "Rx Overview" (Figure 223) and "Tx Overview" (Figure 224) tabs aim to provide more detail on ADRV9001 selected mode of
operation using "Device Configuration" tab (Figure 215). The Rx and Tx datapath overview diagrams are provided in each tab. These
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