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Analog Front End IC TMS37122 - Reference Guide August ’01
Continued
Topic Page
2.10 Configuration Memory.............................................................................32
2.10.1 Memory Organisation ...........................................................................32
2.10.2 Default Memory Content ......................................................................33
2.10.3 Configuration Options ..........................................................................35
2.10.3.1 Wake Sensitivity VWAKEA/1 ......................................................35
2.10.3.2 Passive Start Sensitivity VWAKEB/1/2/3 ....................................36
2.10.3.3 Pulse Position Demodulator Threshold ......................................38
2.10.3.4 Wake Pattern Detection Flag 'NO_WAKE' .................................39
2.10.3.5 Write Distance Expander 2 Flag 'NO_WDE2'.............................39
2.10.3.6 Write Distance Expander 3 Flag 'NO_WDE3'.............................39
2.10.3.8 Passive Entry Wake Pattern .......................................................40
2.10.3.9 Passive Start Wake Pattern........................................................40
2.10.3.10 Telegram Duration 'C_TELEGR'.................................................40
2.10.3.11 Wake Pattern Waiting Time 'C_WAIT' ........................................41
2.10.4 Memory Programming..........................................................................42
2.10.5 Memory Read.......................................................................................43
2.11 Resonant Circuit Trimming.....................................................................44
2.11.1 Resonance Frequency Measurement ..................................................45
2.11.2 Trimming EEPROM Programming .......................................................47
2.11.3 Modulation Frequency Check ..............................................................47
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