STUW81300 datasheet(49/63 Pages) STMICROELECTRONICS

49 / 63 page

DS11314 Rev 7

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STuW81300

Circuit description

ST10 Register

Address:

STuW81300BaseAddress + 0x0A

Type:

Description:

VCO, Lock det. Status, LDO status

RRRR

RRR

[26:18] RESERVED: fixed to ‘0’

[17] REG_DIG_STARTUP: DIGITAL regulator ramp-up indicator (‘1’ means correct start-up)

[16] REG_REF_STARTUP: REFERENCE CLOCK regulator ramp-up indicator (‘1’ means correct start-up)

[15] REG_RF_STARTUP: RF Output section regulator ramp-up indicator (‘1’ means correct start-up)

[14] REG_VCO_STARTUP: VCO bias-and-control regulator ramp-up indicator (‘1’ means correct start-up)

[13] REG_VCO_4V5_STARTUP: High-voltage regulator ramp-up indicator (‘1’ means correct start-up)

[12] REG_DIG_OCP: DIGITAL regulator over-current protection indicator (‘1’ means over-current detected)

[11] REG_REF_OCP: REFERENCE CLOCK regulator over-current protection indicator (‘1’ means over-

current detected)

[10] REG_RF_OCP: RF Output section regulator over-current protection indicator (‘1’ means over-current

detected)

[9] REG_VCO_OCP: VCO bias and control regulator over-current protection indicator (‘1’ means over-

current detected)

[8] REG_VCO_4V5_OCP: high-voltage regulator over-current protection indicator (‘1’ means over-current

detected)

[7] LOCK_DET: Lock detector status bit (‘1’ means PLL locked)

[6:5] VCO_SEL: VCO selected by calibration algorithm

00: (0) VCO_LOW

01: (1) VCO_LOW_MID

10: (2) VCO_MID_HIGH

11: (3) VCO_HIGH

[4:0] WORD: specific VCO sub-band selected by calibration algorithm (range:0 to 31)

STUW81300 Datasheet(PDF) 49 Page - STMicroelectronics