Texas Instruments AFE79 Series - 2.16.361 Register 4 F0 h (offset = 4 F0 h) [reset = 1 h]; 2.16.362 Register 4 F3 h (offset = 4 F3 h) [reset = 0 h]; 2.16.363 Register 4 F4 h (offset = 4 F4 h) [reset = 1 h]

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Serial Interface Register Maps
2.16.361 Register 4F0h (offset = 4F0h) [reset = 1h]
Figure 2-2624. Register 4F0h
7 6 5 4 3 2 1 0
reserved reserved BUF_DIR_CTRL_GPIO_60
R/W-0h R/W-0h R/W-1h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-2640. Register 4F0 Field Descriptions
Bit Field Type Reset Description
7-5 reserved R/W 0h
4-2 reserved R/W 0h
1-0
BUF_DIR_CTRL_G
PIO_60
R/W 1h
Controls the direction of GPIO
0 both input and output are not selected.. can be used for
analog
1 input mode
2 output mode
3 shouldnt be used
2.16.362 Register 4F3h (offset = 4F3h) [reset = 0h]
Figure 2-2625. Register 4F3h
7 6 5 4 3 2 1 0
ACTIV_BIR_DIR_CTRL_GPIO_60 reserved
R/W-0h R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-2641. Register 4F3 Field Descriptions
Bit Field Type Reset Description
3-1
ACTIV_BIR_DIR_C
TRL_GPIO_60
R/W 0h
Control to indicate whether the GPIO_60 needs dynamic
ouptu t enabling.
0 to 3 --> Static direction
4 --> Use the IO for 3 pin SPI B2 SDIO.
5 --> Use the IO for 4 pin SPI B2 SDO
6 --> Use the IO for 3 pin SPI B1 SDIO.
7 --> use the IO for 4 pin SPI B1 SDO.
0-0 reserved R/W 0h
2.16.363 Register 4F4h (offset = 4F4h) [reset = 1h]
Figure 2-2626. Register 4F4h
7 6 5 4 3 2 1 0
reserved reserved BUF_DIR_CTRL_GPIO_61
R/W-0h R/W-0h R/W-1h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-2642. Register 4F4 Field Descriptions
Bit Field Type Reset Description
7-5 reserved R/W 0h
4-2 reserved R/W 0h