Texas Instruments AFE79 Series - 2.16.146 Register 2 C1 h (offset = 2 C1 h) [reset = 2 h]; 2.16.147 Register 2 C2 h (offset = 2 C2 h) [reset = 0 h]; 2.16.148 Register 2 C4 h (offset = 2 C4 h) [reset = 1 h]; 2.16.149 Register 2 C5 h (offset = 2 C5 h) [reset = 2 h]

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SBAU337–May 2020
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Serial Interface Register Maps
2.16.146 Register 2C1h (offset = 2C1h) [reset = 2h]
Figure 2-2409. Register 2C1h
7 6 5 4 3 2 1 0
IBUF_ST_GPIO_48
R/W-2h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-2425. Register 2C1 Field Descriptions
Bit Field Type Reset Description
1-0
IBUF_ST_GPIO_4
8
R/W 2h Input buffer signal strength
2.16.147 Register 2C2h (offset = 2C2h) [reset = 0h]
Figure 2-2410. Register 2C2h
7 6 5 4 3 2 1 0
ODRIV_DS_GPIO_48
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-2426. Register 2C2 Field Descriptions
Bit Field Type Reset Description
1-0
ODRIV_DS_GPIO_
48
R/W 0h output buffer drive strength.
2.16.148 Register 2C4h (offset = 2C4h) [reset = 1h]
Figure 2-2411. Register 2C4h
7 6 5 4 3 2 1 0
PULL_CTRL_GPIO_49
R/W-1h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-2427. Register 2C4 Field Descriptions
Bit Field Type Reset Description
2-0
PULL_CTRL_GPIO
_49
R/W 1h
Bit 0 indicates Pull up enable.
Bit <1> Indicates Pull value.
Bit <2> is unused.
2.16.149 Register 2C5h (offset = 2C5h) [reset = 2h]
Figure 2-2412. Register 2C5h
7 6 5 4 3 2 1 0
IBUF_ST_GPIO_49
R/W-2h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset