STUW81300 datasheet(48/63 Pages) STMICROELECTRONICS

48 / 63 page

Circuit description

STuW81300

48/63

DS11314 Rev 7

ST9 Register

Address:

STuW81300BaseAddress + 0x09

Type:

R/W

Description:

Reserved (Test & Initialization bit)

[9:8] REG_RF_VOUT: RF output section regulator output voltage set

00: (0) 2.6 V (default)

01: (1) 2.5 V (for test purposes only)

10: (2) 2.7 V (for test purposes only)

11: (3) 2.8 V (for test purposes only)

[7] RESERVED: must be set to ‘0’

[6] REG_VCO_PD: VCO bias-and-control regulator power down for test purposes only. Must be set to ‘0’

[5:4] REG_VCO_VOUT: VCO bias-and-control regulator output voltage set

00: (0) 2.6 V (default)

01: (1) 2.5 V (for test purposes only)

10: (2) 2.7 V (for test purposes only)

11: (3) 2.8 V (for test purposes only)

[3] RESERVED: must be set to ‘0’

[2] REG_VCO_4V5_PD: High-voltage regulator power down (to be used to supply VCO core, RF output final

stage and Charge Pump) for test purposes only. Must be set to ‘0’

[1:0] REG_VCO_4V5_VOUT: High-voltage regulator output voltage set (to be used to supply VCO core, RF

output final stage and charge-pump output)

00: (0) 5.0 V (Requires 5.4 V unregulated voltage line on pin# 36, for test purposes only)

01: (1) 2.6 V (3.0 - 5.4 V unregulated voltage line range allowed on pin#36, for test purposes only)

10: (2) 3.3 V (3.6 - 5.4 V unregulated voltage line range allowed on pin#36)

11: (3) 4.5 V (5.0 - 5.4 V unregulated voltage line range allowed on pin#36)

7654321

[26:0] RESERVED: Test and Initialization bit; must be set to ‘0’

STUW81300 Datasheet(PDF) 48 Page - STMicroelectronics