CC1100ERGPR Datasheet, PDF (85/97 Pages) Texas Instruments – Low-Power Sub-GHz RF Transceiver

CC1100E
0x2E: TEST0 – Various Test Settings
Bit Field Name
Reset
R/W Description
7:2 TEST0[7:2]
2 (0x02)
1 VCO_SEL_CAL_EN 1
0 TEST0[0]
1
R/W The value to use in this register is given by the SmartRF^ Studio
software [8].
R/W Enable VCO selection calibration stage when 1
R/W The value to use in this register is given by the SmartRF^ Studio
software [8].
29.3 Status Register Details
Bit Field Name
7:0 PARTNUM[7:0]
0x30 (0xF0): PARTNUM – Chip ID
Reset
R/W Description
0 (0x00) R
Chip part number
Bit Field Name
7:0 VERSION[7:0]
0x31 (0xF1): VERSION – Chip ID
Reset
R/W Description
5 (0x05) R
Chip version number.
0x32 (0xF2): FREQEST – Frequency Offset Estimate from Demodulator
Bit Field Name
Reset
R/W Description
7:0 FREQOFF_EST
R
The estimated frequency offset (2’s complement) of the carrier. Resolution is
FXTAL/2¹⁴ (1.59 - 1.65 kHz); range is ±202 kHz to ±210 kHz, depending on
XTAL frequency.
Frequency offset compensation is only supported for 2-FSK, GFSK, and MSK
modulation. This register will read 0 when using ASK or OOK modulation.
0x33 (0xF3): LQI – Demodulator Estimate for Link Quality
Bit Field Name
Reset
R/W Description
7 CRC OK
6:0 LQI_EST[6:0]
R
The last CRC comparison matched. Cleared when entering/restarting RX
mode.
R
The Link Quality Indicator estimates how easily a received signal can be
demodulated. Calculated over the 64 symbols following the sync word
Bit Field Name
7:0 RSSI
0x34 (0xF4): RSSI – Received Signal Strength Indication
Reset
R/W Description
R
Received signal strength indicator
SWRS082
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