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STW81200 датащи(PDF) 47 Page - STMicroelectronics |
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STW81200 датащи(HTML) 47 Page - STMicroelectronics |
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47 / 58 page ![]() DocID025943 Rev 7 47/58 STW81200 Circuit description 57 ST9 Register Address: STW81200BaseAddress + 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; 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). 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 (Require 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) 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) 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7654321 0 RW [26:0] RESERVED: Test & Initialization bit; must be set to ‘0’ |
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