STW81100

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Table 24. READ-ONLY REGISTER

This register is automatically addressed in the ‘current byte address read mode’.

ILLEGAL_SUBADD: gives “1” if the sub-address value is not correct

ENDCALB: at “0” means end of auto-calibration phase

LOCK_DET: “1” when PLL is locked

INTCAL[4:0]: internal value of the VCO control word

Figure 23. Application Diagram

b7

b6

b5

b4

b3

b2

b1

b0

ILLEG

AL_SUBAD0

END CALB

LOCK_DET

INT CAL4

INT CAL3

INT CAL2

INT CAL1

INT CAL0

EXT VCO

BUFF

EXT LO

VCTRL

ICP

REXT

REF_IN

LO_OUT

50

Ω

OUTBUFN

OUTBUFP

DIV4

BUF

DIV2

BUF

EXTVCO_INP

EXTVCO_INN

CHARGE

PUMP

BUF