Texas Instruments AFE79 Series - 2.16.90 Register 276 h (offset = 276 h) [reset = 0 h]; 2.16.91 Register 278 h (offset = 278 h) [reset = 1 h]; 2.16.92 Register 279 h (offset = 279 h) [reset = 2 h]; 2.16.93 Register 27 Ah (offset = 27 Ah) [reset = 0 h]

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SBAU337–May 2020
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Serial Interface Register Maps
2.16.90 Register 276h (offset = 276h) [reset = 0h]
Figure 2-2353. Register 276h
7 6 5 4 3 2 1 0
ODRIV_DS_GPIO_29
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-2369. Register 276 Field Descriptions
Bit Field Type Reset Description
1-0
ODRIV_DS_GPIO_
29
R/W 0h output buffer drive strength.
2.16.91 Register 278h (offset = 278h) [reset = 1h]
Figure 2-2354. Register 278h
7 6 5 4 3 2 1 0
PULL_CTRL_GPIO_30
R/W-1h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-2370. Register 278 Field Descriptions
Bit Field Type Reset Description
2-0
PULL_CTRL_GPIO
_30
R/W 1h
Bit 0 indicates Pull up enable.
Bit <1> Indicates Pull value.
Bit <2> is unused.
2.16.92 Register 279h (offset = 279h) [reset = 2h]
Figure 2-2355. Register 279h
7 6 5 4 3 2 1 0
IBUF_ST_GPIO_30
R/W-2h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-2371. Register 279 Field Descriptions
Bit Field Type Reset Description
1-0
IBUF_ST_GPIO_3
0
R/W 2h
Input buffer signal strength
Unused as this is fixed IO
2.16.93 Register 27Ah (offset = 27Ah) [reset = 0h]
Figure 2-2356. Register 27Ah
7 6 5 4 3 2 1 0
ODRIV_DS_GPIO_30
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset