Texas Instruments AFE79 Series Programming & User Manual page 1110

IO Wrap Register Map
Bit Field
ACTIV_BIR_DIR_C
3-1
TRL_GPIO_53
0-0 reserved
2.16.349 Register 4D8h (offset = 4D8h) [reset = 1h]
7 6
reserved
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Bit Field
7-5 reserved
4-2 reserved
BUF_DIR_CTRL_G
1-0
PIO_54
2.16.350 Register 4DBh (offset = 4DBh) [reset = 0h]
7 6
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Bit Field
ACTIV_BIR_DIR_C
3-1
TRL_GPIO_54
0-0 reserved
1110
Serial Interface Register Maps
Table 2-2627. Register 4D7 Field Descriptions
Type Reset
R/W 0h
R/W 0h
Figure 2-2612. Register 4D8h
5 4
Table 2-2628. Register 4D8 Field Descriptions
Type Reset
R/W 0h
R/W 0h
R/W 1h
Figure 2-2613. Register 4DBh
5 4
Table 2-2629. Register 4DB Field Descriptions
Type Reset
R/W 0h
R/W 0h
Copyright © 2020, Texas Instruments Incorporated
Description
Control to indicate whether the GPIO_53 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.
3 2
reserved
R/W-0h
Description
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
3 2
ACTIV_BIR_DIR_CTRL_GPIO_54
R/W-0h
Description
Control to indicate whether the GPIO_54 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.
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1 0
BUF_DIR_CTRL_GPIO_54
R/W-1h
1 0
reserved
R/W-0h
SBAU337 – May 2020
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