![background image](http://html.mh-extra.com/html/texas-instruments/cc2500/cc2500_manual_1097156073.webp)
CC2500
SWRS040C
Page 73 of 89
0x19: FOCCFG – Frequency Offset Compensation Configuration
Bit
Field Name
Reset
R/W
Description
7:6
Reserved
R0
5
FOC_BS_CS_GATE
1
R/W
If set, the demodulator freezes the frequency offset
compensation and clock recovery feedback loops until the
CARRIER_SENSE signal goes high.
4:3
FOC_PRE_K[1:0]
2 (10)
R/W
The frequency compensation loop gain to be used before a sync
word is detected.
Setting
Freq. compensation loop gain before sync word
0 (00)
K
1 (01)
2
K
2 (10)
3
K
3 (11)
4
K
2
FOC_POST_K
1
R/W
The frequency compensation loop gain to be used after a sync
word is detected.
Setting
Freq. compensation loop gain after sync word
0
Same as FOC_PRE_K
1
K
/2
1:0
FOC_LIMIT[1:0]
2 (10)
R/W
The saturation point for the frequency offset compensation
algorithm:
Setting
Saturation point (max compensated offset)
0 (00)
±0 (no frequency offset compensation)
1 (01)
±BW
CHAN
/8
2 (10)
±BW
CHAN
/4
3 (11)
±BW
CHAN
/2
Frequency offset compensation is not supported for OOK;
Always use FOC_LIMIT=0 with this modulation format.
Summary of Contents for CC2500
Page 91: ...PACKAGE OPTION ADDENDUM www ti com 6 Feb 2020 Addendum Page 2 ...
Page 94: ......
Page 95: ......