STW81100 STMicroelectronics, STW81100 Datasheet - Page 20

• Manufacturer Part Number: STW81100
• Description: MULTI-BAND RF FREQUENCY SYNTHESIZER
• Manufacturer: STMicroelectronics

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STW81100
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
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AL_SUBAD0
ILLEG
b7
LO_OUT
50 Ω
EXT LO
END CALB
b6
LOCK_DET
b5
EXTVCO_INP
EXTVCO_INN
OUTBUFN
OUTBUFP
INT CAL4
b4
REF_IN
EXT VCO
BUFF
INT CAL3
b3
VCTRL
INT CAL2
b2
DIV2
BUF
DIV4
BUF
BUF
CHARGE
INT CAL1
PUMP
ICP
b1
REXT
INT CAL0
b0