FB Top Register Map
955
SBAU337 – May 2020
Copyright © 2020, Texas Instruments Incorporated
Serial Interface Register Maps
2.14.313 Register 649h (offset = 649h) [reset = 1h]
Figure 2-2196. Register 649h
7
6
5
4
3
2
1
0
FB_ALC_USE_
MIN_ATTN_FR
OM_AGC
R/W-1h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-2210. Register 649 Field Descriptions
Bit
Field
Type
Reset
Description
0-0
FB_ALC_USE_MIN
_ATTN_FROM_AG
C
R/W
1h
Use minimum attenuation from AGC instead of
"rx_alc_min_attn_dsa"
2.14.314 Register 64Ah (offset = 64Ah) [reset = 0h]
Figure 2-2197. Register 64Ah
7
6
5
4
3
2
1
0
FB_ALC_DISA
BLE_CF_GAINI
NDEN_TOT_G
AIN_CHANGE
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-2211. Register 64A Field Descriptions
Bit
Field
Type
Reset
Description
0-0
FB_ALC_DISABLE
_CF_GAININDEN_
TOT_GAIN_CHAN
GE
R/W
0h
0 : Disable
1 : Enable
2.14.315 Register 64Ch (offset = 64Ch) [reset = 0h]
Figure 2-2198. Register 64Ch
7
6
5
4
3
2
1
0
FB_ALC_USE_
LSB_BIT_FOR
_CONTROL_F
B
FB_ALC_USE_
12BIT_SEL_FB
R/W-0h
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-2212. Register 64C Field Descriptions
Bit
Field
Type
Reset
Description
1-1
FB_ALC_USE_LS
B_BIT_FOR_CON
TROL_FB
R/W
0h
Enables the LSB to be used for control information when in FB
mode, so that Peak info can be sent on it. the LSB position is
dependent on 12bit or 16bit mode of operation accordingly.
0 : Disable
1 : Enable
0-0
FB_ALC_USE_12B
IT_SEL_FB
R/W
0h
Use 12bit mode of operation when the channel is in FB mode.
0 : 16bit
1 : 12bit