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LMH1219: Can LMH1219 IN1 support SMPTE ST-2082-1(12G)?
Yes LMH1219 IN1 100-ohm differential input does support SMPTE. Please note we need to use either SMBus or SPI interface to setup the registers as noted below:
RAW FF 05 07 //Enable EQ core RAW 31 20 30 //Power up OUT0 RAW 33 20 30 //Power up OUT1 RAW FF 04 07 //Enable lmh1218 core RAW 3F 04 04 //Override reference rate RAW 2F 00 C0 //Enable CDR lock to SMPTE rates RAW 3F 10 10 //Override IN_OUT_SEL pin RAW 31 03 03 //Select IN1 to OUT0 and OUT1 RAW 3F 08 08 //Override OUT_CTRL RAW 09 00 20 //Disable independent output control RAW 1C 08 0C //If locked OUT0/1 reclocked data else raw data RAW 0A 0C 0C //Reset CDR RAW 0A 00 0C //Release Reset
