Analog Devices ADRV9001 User Manual page 89

Reference Manual
MICROPROCESSOR AND SYSTEM CONTROL
Figure 77. ADRV9001 Provided Timing Parameters and the System Clock for the Selected Profile in TES
Based on the information provided in
Default Timing Parameters for Transmit Channels
Figure 78 shows the ADRV9001 transmitter's required timing parameters and their minimum, maximum, and default values, and
summarizes some recommendations.
Table 34. ADRV9001 User Provided Transmit Timing Parameters
Timing Parameter
enableRiseToAnalogOnDelay
(t )
TxEnaRise2AnaOn
enableRiseToOnDelay (t )
TxEnaRise2On
enableGuardDelay
(t )
TxGT
(Not Used Currently)
enableHoldDelay (t )
TxEnaHold
(not used currently)
enableFallToOffDelay
(t )
TxEnaFall2Off
analog.com
Figure 77, further configure the ADRV9001 required timing parameters.
Figure 78. Transmit Timing Parameters
Min Value
Max of the following values: 0, propagationDe-
lay – enableSetupDelay,
t (for the maximum intended power
PowerUpPSM
savings mode)
enableRiseToAnalogOnDelay +
enableSetupDelay
0
0
enableHoldDelay
Max Value Comment
91 ms/scaleFactor Default = min
91 ms/scaleFactor
Default = min
Not needed if not controlling LNA power.
91 ms/scaleFactor
Default = min
Can increase to non-zero if performance degrada-
tion is observed, and the channel is transmitting
for some time before the start of the actual frame
(forced to 0 currently by the ADRV9001).
91 ms/scaleFactor
Default = min
Can increase if performance degradation is ob-
served, and the channel is transmitting for some
time after the end of the actual frame (forced to 0
currently by the ADRV9001).
enableHoldDelay +
Default = max
propagationDelay
Can decrease if not all data sent through interface
must be transmitted.
ADRV9001
Table 34
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