Texas Instruments AFE79 Series - 2.16.167 Register 2 DDh (offset = 2 DDh) [reset = 2 h]; 2.16.168 Register 2 DEh (offset = 2 DEh) [reset = 0 h]; 2.16.169 Register 2 E0 h (offset = 2 E0 h) [reset = 1 h]; 2.16.170 Register 2 E1 h (offset = 2 E1 h) [reset = 2 h]

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SBAU337–May 2020
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Serial Interface Register Maps
2.16.167 Register 2DDh (offset = 2DDh) [reset = 2h]
Figure 2-2430. Register 2DDh
7 6 5 4 3 2 1 0
IBUF_ST_GPIO_55
R/W-2h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-2446. Register 2DD Field Descriptions
Bit Field Type Reset Description
1-0
IBUF_ST_GPIO_5
5
R/W 2h Input buffer signal strength
2.16.168 Register 2DEh (offset = 2DEh) [reset = 0h]
Figure 2-2431. Register 2DEh
7 6 5 4 3 2 1 0
ODRIV_DS_GPIO_55
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-2447. Register 2DE Field Descriptions
Bit Field Type Reset Description
1-0
ODRIV_DS_GPIO_
55
R/W 0h output buffer drive strength.
2.16.169 Register 2E0h (offset = 2E0h) [reset = 1h]
Figure 2-2432. Register 2E0h
7 6 5 4 3 2 1 0
PULL_CTRL_GPIO_56
R/W-1h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-2448. Register 2E0 Field Descriptions
Bit Field Type Reset Description
2-0
PULL_CTRL_GPIO
_56
R/W 1h
Bit 0 indicates Pull up enable.
Bit <1> Indicates Pull value.
Bit <2> is unused.
2.16.170 Register 2E1h (offset = 2E1h) [reset = 2h]
Figure 2-2433. Register 2E1h
7 6 5 4 3 2 1 0
IBUF_ST_GPIO_56
R/W-2h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset