Texas Instruments CC112 Series, User Manual, Page: 78 / 109

CC112X/CC1175
SWRU295C Page 78 of 108
AGC_CFG0 - AGC Configuration
Bit no. Name Reset R/W Description
7:6 AGC_HYST_LEVEL 0x03 R/W AGC Hysteresis Level. The difference between the desired signal level and the actual
signal level must be larger than AGC hysteresis level before the AGC changes the front
end gain
00 2 dB
01 4 dB
10 7 dB
11 10 dB
5:4 AGC_SLEWRATE_LIMIT 0x00 R/W AGC Slew Rate Limit. Limits the maximum front end gain adjustment
00 60 dB
01 30 dB
10 18 dB
11 9 dB
3:2 RSSI_VALID_CNT 0x00 R/W Gives the number of new input samples to the moving average filter (internal RSSI
estimates) that are required before the next update of the RSSI value. The
RSSI_VALID
signal will be asserted from the first RSSI update.
RSSI_VALID
is available on a GPIO or
can be read from the
RSSI0
register
00 2
01 3
10 5
11 9
1:0 AGC_ASK_DECAY 0x03 R/W Controls decay steps in ASK/OOK mode
00 1/16 IIR decay
01 1/32 IIR decay
10 1/64 IIR decay
11 1/128 IIR decay