Texas Instruments CC112 Series, User Manual, Page: 37 / 109

CC112X/CC1175
SWRU295C Page 37 of 108
Delay Equation
D
0
XOSC
f
74 Factor Decimation 16
D
1
10
XOSC
x
f
GATE SENSE CARRIER COEFF FREEZE DCFILT 2 Factor Decimation )) 1 2 ( _ _ 62 ( ) _ _ 1 (
) 5 (
D
2
10
XOSC
x
f
GATE SENSE CARRIER 2 Factor Decimation )) 1 2 ( _ _ 62 (
) 5 (
D
3
XOSC
f
DECFACT CIC BB 2 Factor Decimation ) 2 _ _ 16 (
D
4
XOSC
f
COEFF FREEZE DCFILT 2 Factor Decimation ) _ _ 35 (
D
5
XOSC
f
DECFACT CIC BB Factor Decimation _ _ 68
D
6
XOSC
f
DECFACT CIC BB 2 Factor Decimation ) 2 _ _ (
Table 21: D
0
- D
6
ion Configurat Current
| 0 Delays Applicable T
Equation 15: T0
The maximum carrier sense response time is given by Equation 16.
) 1 2 ( ) 2 1 ( 0 Time Response CS
_ _ CNT VALID RSSI
T T T
Equation 16: Max CS Response Time
If number of
AGC_UPDATE
pulses before the first RSSI update is known, the CS response time is
given by Equation 17 , where x = # of
AGC_UPDATE
pulses before first
RSSI_UPDATE
.
) 1 2 ( 2 ) 1 ( 1 0 Time Response CS
_ _ CNT VALID RSSI
T x T T
Equation 17: CS Response Time (# of gain reductions is known)
10
x =
DCFILT_CFG.DCFILT_BW
when
DCFILT_CFG.DCFILT_BW < 5,
else it is 4