Texas Instruments AFE79 Series - 2.16.122 Register 2 A1 h (offset = 2 A1 h) [reset = 2 h]; 2.16.123 Register 2 A2 h (offset = 2 A2 h) [reset = 0 h]; 2.16.124 Register 2 A4 h (offset = 2 A4 h) [reset = 1 h]

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Serial Interface Register Maps
Table 2-2400. Register 2A0 Field Descriptions
Bit Field Type Reset Description
2-0
PULL_CTRL_GPIO
_40
R/W 1h
Bit 0 indicates Pull up enable.
Bit <1> Indicates Pull value.
Bit <2> is unused.
2.16.122 Register 2A1h (offset = 2A1h) [reset = 2h]
Figure 2-2385. Register 2A1h
7 6 5 4 3 2 1 0
IBUF_ST_GPIO_40
R/W-2h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-2401. Register 2A1 Field Descriptions
Bit Field Type Reset Description
1-0
IBUF_ST_GPIO_4
0
R/W 2h Input buffer signal strength
2.16.123 Register 2A2h (offset = 2A2h) [reset = 0h]
Figure 2-2386. Register 2A2h
7 6 5 4 3 2 1 0
ODRIV_DS_GPIO_40
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-2402. Register 2A2 Field Descriptions
Bit Field Type Reset Description
1-0
ODRIV_DS_GPIO_
40
R/W 0h output buffer drive strength.
2.16.124 Register 2A4h (offset = 2A4h) [reset = 1h]
Figure 2-2387. Register 2A4h
7 6 5 4 3 2 1 0
PULL_CTRL_GPIO_41
R/W-1h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-2403. Register 2A4 Field Descriptions
Bit Field Type Reset Description
2-0
PULL_CTRL_GPIO
_41
R/W 1h
Bit 0 indicates Pull up enable.
Bit <1> Indicates Pull value.
Bit <2> is unused.