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XE1202A Datasheet(PDF) 19 Page - Semtech Corporation |
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XE1202A Datasheet(HTML) 19 Page - Semtech Corporation |
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19 / 32 page  © Semtech 2006 www.semtech.com 20 XE1202A TrueRF™ 5.2.3 DataOut register Name Bits Byte Address Description DataOut_RSSI 7-6 00101 RSSI output: 0 0 -> lowest level 0 1 -> 2 nd level 1 0 -> 3 rd level 1 1 -> highest level DataOut_FEI When RTParam_Fsel = 0 7-0 00101 FEI output: Output of the up/down counter in 2’s-complement representation MSB = bit 7 DataOut_FEI When RTParam_Fsel = 1 5-4 00101 FEI output: 0 0 -> frequency OK 1 0 -> frequency too low 1 1 -> frequency too high Table 14: DataOut register 5.2.4 ADParam configuration register Name Bits Byte Address Description ADParam_Pattern 7 00110 Pattern recognition enable: 0 -> Disabled 1 -> Enabled ADParam_Psize 6-5 00110 Size of reference pattern recognition word: 0 0 -> 8 bits 0 1 -> 16 bits 1 0 -> 24 bits 1 1 -> 32 bits ADParam_Ptol 4-3 00110 Number of tolerated errors for the pattern recognition: 0 0 -> 0 error 0 1 -> 1 error 1 0 -> 2 errors 1 1 -> 3 errors ADParam_Clkfreq 2-1 00110 Frequency of CLKOUT: 0 0 -> 1.22 MHz (div. ratio: 32) 0 1 -> 2.44 MHz (div. ratio: 16) 1 0 -> 4.87 MHz (div. ratio: 8) 1 1 -> 9.75 MHz (div. ratio: 4) ADParam_IQA 0 00110 IQ amplifiers enable: 0 -> Disabled 1 -> Enabled ADParam_Res1 7 00111 Reserved. Should be set to “0” ADParam_Invert 6 00111 Inversion of the Rx output data: 0 -> non-inverted data 1 -> inverted data |
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