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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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CC2500 bảng dữ liệu(PDF) 66 Page - Texas Instruments |
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CC2500 bảng dữ liệu(HTML) 66 Page - Texas Instruments |
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66 / 76 page  CC2500 Preliminary Data Sheet (rev.1.1.) SWRS040 Page 66 of 77 0x1C: AGCCTRL1 – AGC control Bit Field Name Reset R/W Description 7 Reserved R0 6 AGC_LNA_PRIORITY 1 R/W Selects between two different strategies for LNA and LNA 2 gain adjustment. When 1, the LNA gain is decreased first. When 0, the LNA 2 gain is decreased to minimum before decreasing LNA gain. 5:4 CARRIER_SENSE_REL_THR[1:0] 0 (00) R/W Sets the relative change threshold for asserting carrier sense Setting Carrier sense relative threshold 0 (00) Relative carrier sense threshold disabled 1 (01) 6 dB increase in RSSI value 2 (10) 10 dB increase in RSSI value 3 (11) 14 dB increase in RSSI value 3:0 CARRIER_SENSE_ABS_THR[3:0] 0 (0000) R/W Sets the absolute RSSI threshold for asserting carrier sense. The 2-complement signed threshold is programmed in steps of 1 dB and is relative to the MAGN_TARGET setting. Setting Carrier sense absolute threshold (Equal to channel filter amplitude when AGC has not decreased gain) -8 (1000) Absolute carrier sense threshold disabled -7 (1001) 7 dB below MAGN_TARGET setting … … -1 (1111) 1 dB below MAGN_TARGET setting 0 (0000) At MAGN_TARGET setting 1 (0001) 1 dB above MAGN_TARGET setting … … 7 (0111) 7 dB above MAGN_TARGET setting 0x1D: AGCCTRL0 – AGC control Bit Field Name Reset R/W Description 7:0 AGCCTRL0[7:0] 145 (0x91) R/W AGC control register. The value to use in this register is given by the SmartRF® Studio software. 0x1E: WOREVT1 – High byte Event0 timeout Bit Field Name Reset R/W Description 7:0 EVENT0[15:8] 135 (0x87) R/W High byte of Event 0 timeout register RES WOR XOSC Event EVENT f t _ 5 0 2 0 750 ⋅ ⋅ ⋅ = |
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