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DS90UB948-Q1: 947 +948 LOCK status if no LVDS_CLK

Part Number: DS90UB948-Q1

Hi team,

application is SOC+947+948.

if SOC don't provide LVDS_CLK, can the 948 and 947 be LOCK? 

customer test found that with the default value of 948, no LVDS_CLK, 948 LOCK pin is high, is it correct?

as the reg 0x34 of 948, if bit 6 set to 1, LOCK can be asserted even no video timg. if bit 6 is 0, they need vide timing. it is conflict with customer test result.

coudl you hlep give comments, thank you.