Texas Instruments AFE79 Series - 2.3.73 Register 90 h (offset = 90 h) [reset = 0 h]; 2.3.74 Register 91 h (offset = 91 h) [reset = 0 h]

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SBAU337–May 2020
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Serial Interface Register Maps
Table 2-116. Register 82 Field Descriptions
Bit Field Type Reset Description
3-2
LP_FB_ON_C_SE
L_2R1F_CD_MAS
K
R/W 1h
FOR LOW POWER CONSUMPTION:
Its a bit mask, used to compute sig-valid as a combination of
fb_on a, c.Used to gate 4 streams of 16b data i.e. output of 2F
mux for 2R1F_CD inst. So, based on the data mux settings,
this mask should be chosen.
11 -> uses or'ed fb_on a,c
01 -> uses or'ed fb_on c
00 -> uses zero
1-0
LP_FB_ON_A_SEL
_2R1F_CD_MASK
R/W 0h
FOR LOW POWER CONSUMPTION:
Its a bit mask, used to compute sig-valid as a combination of
fb_on a, c.Used to gate 4 streams of 16b data i.e. output of 2F
mux for 2R1F_CD inst. So, based on the data mux settings,
this mask should be chosen.
11 -> uses or'ed fb_on a,c
01 -> uses or'ed fb_on c
00 -> uses zero
2.3.73 Register 90h (offset = 90h) [reset = 0h]
Figure 2-114. Register 90h
7 6 5 4 3 2 1 0
CFG_CNT_FR
EERUN_EN
CFG_CLK_CY
CLE_CNT_EN
CFG_COMPAR
ATOR_MODUL
E_EN
R/W-0h R/W-0h R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-117. Register 90 Field Descriptions
Bit Field Type Reset Description
2-2
CFG_CNT_FREER
UN_EN
R/W 0h RESERVED
1-1
CFG_CLK_CYCLE
_CNT_EN
R/W 0h Enable for the counters inside the comparator module.
0-0
CFG_COMPARAT
OR_MODULE_EN
R/W 0h Master enable for the comparator module.
2.3.74 Register 91h (offset = 91h) [reset = 0h]
Figure 2-115. Register 91h
7 6 5 4 3 2 1 0
CFG_SLOW_CLK_SEL CFG_FAST_CLK_SEL
R/W-0h R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset