ZHCSIC4C June 2018 – November 2018 LMX2615-SP
PRODUCTION DATA.
The MUXout pin can be configured as lock detect indicator for the PLL or as an serial data output (SDO) for the SPI interface to readback registers. Field MUXOUT_LD_SEL (register R0[2]) configures this output
MUXOUT_LD_SEL | FUNCTION |
---|---|
0 | Serial data output for readback |
1 | Lock detect indicator |
When lock detect indicator is selected, there are two types of indicator and they can be selected with the field LD_TYPE (register R59[0]). The first indicator is called “VCOCal” (LD_TYPE=0) and the second indicator is called “Vtune and VCOCal” (LD_TYPE=1).