MCS Procedure

Question

ADRV9002 multi-chip synchronization. 
 We are trying to synchronize two transceivers witin one ADRV9002 chip. 
 Following the Reference Manual (chapter: Multi-chip synchronization), we send 6 pulses to the MCS input (MCS+ and MCS- pins, LVDS, produced by the AD9528 chip). 
 Unfortunately, the procedure does not end successfully. After the fifth pulse, the system was stuck in this state. According to Table 42 / page 100 of the Reference Manual, function: adi_adrv9001_Mcs_SwStatus_Get(), returns: MCSSWSTATUS_DEVICE_PULSE5_RECEIVED 
 Can we get more detailed documentation regarding MCS in ADRV9002 ? 
 
 Regards, 
 Slawek

M_Bugajski · Accepted Answer

Hi Sławek, 
 While ideally, it wouldn't cause any issues, I don't have any other ideas about what could be causing your issue, so it's worth trying to see if waiting until after MCS is complete to start the SSI interface resolves your problem. 
 One other suggestion may be to look beyond MCS and see if there's anything more fundamental that may be causing this issue. You can run adi_adrv9001_Utilities_SystemDebugPreCalibrate() to see if all the underlying systems are working correctly. You can then also try running adi_adrv9001_Utilities_SystemDebugPostCalibrate() after calibrating without MCS to see if anything else may be causing issues. 
 Kind Regards, Michał)

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