RTOS/IWR1443: Issue with CSI interface test in SDK mmwave_sdk_01_02_00_05

Part Number:IWR1443

Tool/software: TI-RTOS

Hi, 

Using the csi_stream test program, without modifying any CSI parameters I understand that the default clock should be 450Mhz/2 visible on the clock pin. As seen from the code - 

/* Setup the HSI Clock as per the Radar Interface Document:
* - The CSI Stream Profile is configured to operate @450Mhtz */
hsiClkgs.hsiClk = 0x6;

I am seeing 450Mhz/4 on the clock pin, is this a known issue or am I misunderstanding the operation ?

Thanks.