Texas Instruments AFE79 Series - 2.1.2 Register 1 h (offset = 1 h) [reset = 0 h]; 2.1.3 Register 2 h (offset = 2 h) [reset = 0 h]; 2.1.4 Register 3 h (offset = 3 h) [reset = Ah]; 2.1.5 Register 4 h (offset = 4 h) [reset = 78 h]

AFE79xx_GLOBAL Register Map www.ti.com
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SBAU337–May 2020
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Serial Interface Register Maps
2.1.2 Register 1h (offset = 1h) [reset = 0h]
Figure 2-2. Register 1h
7 6 5 4 3 2 1 0
GLOBAL_ADD
RESSING_TYP
E
0 0 0 0 0 0 0
R/W-0h R/W-0h R/W-0h 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 2-3. Register 01 Field Descriptions
Bit Field Type Reset Description
7-7
GLOBAL_ADDRES
SING_TYPE
R/W 0h In streaming mode 1=A,D,A,D… 0=A,D,D,D….
6-0 0 R/W 0h Must read or write 0
2.1.3 Register 2h (offset = 2h) [reset = 0h]
Figure 2-3. Register 2h
7 6 5 4 3 2 1 0
0 0 0 0 0 0 GLOBAL_MODE
R/W-0h R/W-0h 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 2-4. Register 02 Field Descriptions
Bit Field Type Reset Description
7-2 0 R/W 0h Must read or write 0
1-0 GLOBAL_MODE R/W 0h User definable power mode
2.1.4 Register 3h (offset = 3h) [reset = Ah]
Figure 2-4. Register 3h
7 6 5 4 3 2 1 0
CHIP_TYPE
R-Ah
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-5. Register 03 Field Descriptions
Bit Field Type Reset Description
7-0 CHIP_TYPE R Ah
Indicates the type of part.
The value should be 0xA for AFE.
2.1.5 Register 4h (offset = 4h) [reset = 78h]
Figure 2-5. Register 4h
7 6 5 4 3 2 1 0
CHIP_ID[7:0]
R-78h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset