Texas Instruments AFE79 Series - 2.16.24 Register 21 Eh (offset = 21 Eh) [reset = 0 h]; 2.16.25 Register 220 h (offset = 220 h) [reset = 1 h]; 2.16.26 Register 221 h (offset = 221 h) [reset = 2 h]

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SBAU337–May 2020
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Serial Interface Register Maps
Table 2-2302. Register 21D Field Descriptions
Bit Field Type Reset Description
1-0 IBUF_ST_GPIO_7 R/W 2h Input buffer signal strength
2.16.24 Register 21Eh (offset = 21Eh) [reset = 0h]
Figure 2-2287. Register 21Eh
7 6 5 4 3 2 1 0
ODRIV_DS_GPIO_7
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-2303. Register 21E Field Descriptions
Bit Field Type Reset Description
1-0
ODRIV_DS_GPIO_
7
R/W 0h output buffer drive strength.
2.16.25 Register 220h (offset = 220h) [reset = 1h]
Figure 2-2288. Register 220h
7 6 5 4 3 2 1 0
PULL_CTRL_GPIO_8
R/W-1h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-2304. Register 220 Field Descriptions
Bit Field Type Reset Description
2-0
PULL_CTRL_GPIO
_8
R/W 1h
Bit 0 indicates Pull up enable.
Bit <1> Indicates Pull value.
Bit <2> is unused.
2.16.26 Register 221h (offset = 221h) [reset = 2h]
Figure 2-2289. Register 221h
7 6 5 4 3 2 1 0
IBUF_ST_GPIO_8
R/W-2h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-2305. Register 221 Field Descriptions
Bit Field Type Reset Description
1-0 IBUF_ST_GPIO_8 R/W 2h Input buffer signal strength