Texas Instruments AFE79 Series - 2.5.18 Register 37 h (offset = 37 h) [reset = 7 h]; 2.5.19 Register 38 h (offset = 38 h) [reset = 0 h]

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SBAU337–May 2020
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Serial Interface Register Maps
Table 2-518. Register 36 Field Descriptions (continued)
Bit Field Type Reset Description
MODE_2S_141620_IQ = 39
MODE_2S_141220_IQ = 40
MODE_2S_24310_IQ = 41
MODE_2S_24610_IQ = 42
MODE_2S_14610_IQ = 43
MODE_2S_141210_IQ = 44
MODE_2S_42111_IQ = 45
MODE_2S_44840_IQ = 46
MODE_2S_VSWR_24410 = 50
2.5.18 Register 37h (offset = 37h) [reset = 7h]
Figure 2-514. Register 37h
7 6 5 4 3 2 1 0
0 0 0 0 0 FB_CTRLMOD
E_12B_TRUNC
_EN
RX2_CTRLMO
DE_12B_TRUN
C_EN
RX1_CTRLMO
DE_12B_TRUN
C_EN
R/W-0h R/W-0h R/W-0h R/W-0h R/W-0h R/W-1h R/W-1h R/W-1h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-519. Register 37 Field Descriptions
Bit Field Type Reset Description
7-3 0 R/W 0h Must read or write 0
2-2
FB_CTRLMODE_1
2B_TRUNC_EN
R/W 1h
When enabled, in 12b fb mapper modes, the 16 bit adc data is
truncated to 12 bits instead of rounding.
0 : Use 12b round
1 : Use 12b truncate
1-1
RX2_CTRLMODE_
12B_TRUNC_EN
R/W 1h
When enabled, in 12b rx mapper modes, the 16 bit adc data is
truncated to 12 bits instead of rounding.
Affects rx2
0 : Use 12b round
1 : Use 12b truncate
0-0
RX1_CTRLMODE_
12B_TRUNC_EN
R/W 1h
When enabled, in 12b rx mapper modes, the 16 bit adc data is
truncated to 12 bits instead of rounding.
Affects rx1, rx3, rx4
0 : Use 12b round
1 : Use 12b truncate
2.5.19 Register 38h (offset = 38h) [reset = 0h]
Figure 2-515. Register 38h
7 6 5 4 3 2 1 0
0 0 0 RX1_SAMPLE_
CNT_MAX_OV
R
RX1_SAMPLE_CNT_MAX_OVR_VAL
R/W-0h R/W-0h R/W-0h R/W-0h R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-520. Register 38 Field Descriptions
Bit Field Type Reset Description
7-5 0 R/W 0h Must read or write 0
4-4
RX1_SAMPLE_CN
T_MAX_OVR
R/W 0h The ovr register for RX1_SAMPLE_CNT_MAX_OVR_VAL