Lime Microsystems LMS7002M Series, Руководство по программированию и калибровке

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72
Address (15 bits) Bits Description
0x0606 15 – 8
7 – 0
MEASR_TREF_VAL[7:0]: Stores the temperature reference value. (Read only)
MEASR_TREF_VAL[7:0] – magnitude
MEASR_TPTAT_VAL[7:0]: Stores the voltage proportional to absolute temperature
value.
(Read only)
MEASR_TPTAT_VAL[7:0] – magnitude
Default : XXXXXXXX XXXXXXXX
2.25 Analog RSSI Calibration Configuration Memory
The block diagram of the analog RSSI calibration module is as shown in Figure 5 and Figure
6. The tables in this chapter describes control registers of analog RSSI Calibration modules.
Table 26 RSSI configuration memory
Address (15 bits) Bits Description
0x0640 15
14 – 7
8 – 4
3 – 1
0 ARSSI_CMPSTATUS_(1, 2): Status of analog RSSI comparator (Read Only)
Reserved
ARSSI_RSEL_(1, 2)[4:0]: Reference voltage for the RSSI output comparator.
Voltage range: 0 – 800mV; 31 – 250mV (approx. values).
Default: 10 . Step size:
0 to 4 – 50mV;
5 to 12 – 21.5mV;
13 to 31 – 10mV.
ARSSI_HYSCMP_(1, 2)[2:0]: Comparator hysteresis control for analog RSSI
comparator.
0 – min hysteresis (default)
...
7 – max hysteresis
ARSSI_PD_(1, 2): Power down modules for analog RSSI calibration circuits.
0 – blocks active
1 – blocks powered down (default)
Default
: 00000000 10100001
0x0641 15 – 14
13 – 7
6 – 0 Reserved
ARSSI_DCO2_(1, 2)[6:0]: Value of analog RSSI offset DAC2.
Default: 32 .
ARSSI_DCO2[6] – sign
ARSSI_DCO2[5:0] – magnitude
ARSSI_DCO1_(1, 2)[6:0]: Value of analog RSSI offset DAC1.
Default: 32 .
ARSSI_DCO1[6] – sign
ARSSI_DCO1[5:0] – magnitude
Default: 00100000 01000000