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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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ST25R3911B 데이터시트(PDF) 83 Page - STMicroelectronics |
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ST25R3911B 데이터시트(HTML) 83 Page - STMicroelectronics |
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83 / 116 page  Table 69. Collision avoidance threshold as seen on RFI1 input rfe_3 rfe_2 rfe_1 rfe_0 Typical Collision Avoidance threshold voltage (mVpp on RFI1) 0 0 0 0 75 0 0 0 1 105 0 0 1 0 150 0 0 1 1 205 0 1 0 0 290 0 1 0 1 400 0 1 1 0 560 0 1 1 1 800 1 0 0 0 25 1 0 0 1 33 1 0 1 0 47 1 0 1 1 64 1 1 0 0 90 1 1 0 1 125 1 1 1 0 175 1 1 1 1 250 1.3.42 Regulator voltage control register Address: 2Ah Type: RW Table 70. Regulator voltage control register Bit Name Default Function Comments(1) 7 reg_s 0 0: Regulated voltages are defined by result of Adjust Regulators command 1: Regulated voltages are defined by rege_x bits written in this register Defines mode of regulator voltage setting. 6 rege_3 0 External definition of regulated voltage. Refer to Table 72 for definition. In 5 V mode VSP_D and VSP_A regulators are set to 3.4 V - 5 rege _2 0 4 rege _1 0 3 rege _0 0 2 mpsv1 0 00: VDD 01: VSP_A 10: VSP_D 11: VSP_RF Defines source of direct command Measure Power Supply. 1 mpsv0 0 0 - 0 - - 1. Default setting takes place at power-up and after Set Default command. ST25R3911B Registers DS11793 - Rev 6 page 83/116 |
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