Texas Instruments AFE79 Series - 2.16.66 Register 256 h (offset = 256 h) [reset = 0 h]; 2.16.67 Register 258 h (offset = 258 h) [reset = 1 h]; 2.16.68 Register 259 h (offset = 259 h) [reset = 2 h]

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Serial Interface Register Maps
Table 2-2344. Register 255 Field Descriptions
Bit Field Type Reset Description
1-0
IBUF_ST_GPIO_2
1
R/W 2h Input buffer signal strength
2.16.66 Register 256h (offset = 256h) [reset = 0h]
Figure 2-2329. Register 256h
7 6 5 4 3 2 1 0
ODRIV_DS_GPIO_21
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-2345. Register 256 Field Descriptions
Bit Field Type Reset Description
1-0
ODRIV_DS_GPIO_
21
R/W 0h output buffer drive strength.
2.16.67 Register 258h (offset = 258h) [reset = 1h]
Figure 2-2330. Register 258h
7 6 5 4 3 2 1 0
PULL_CTRL_GPIO_22
R/W-1h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-2346. Register 258 Field Descriptions
Bit Field Type Reset Description
2-0
PULL_CTRL_GPIO
_22
R/W 1h
Bit 0 indicates Pull up enable.
Bit <1> Indicates Pull value.
Bit <2> is unused.
2.16.68 Register 259h (offset = 259h) [reset = 2h]
Figure 2-2331. Register 259h
7 6 5 4 3 2 1 0
IBUF_ST_GPIO_22
R/W-2h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-2347. Register 259 Field Descriptions
Bit Field Type Reset Description
1-0
IBUF_ST_GPIO_2
2
R/W 2h Input buffer signal strength