Texas Instruments AFE79 Series User Manual

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1119
SBAU337–May 2020
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Serial Interface Register Maps
2.16.371 Register 504h (offset = 504h) [reset = 1h]
Figure 2-2634. Register 504h
7 6 5 4 3 2 1 0
reserved reserved BUF_DIR_CTRL_GPIO_65
R/W-0h R/W-0h R/W-1h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-2650. Register 504 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_65
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
2.16.372 Register 507h (offset = 507h) [reset = 0h]
Figure 2-2635. Register 507h
7 6 5 4 3 2 1 0
ACTIV_BIR_DIR_CTRL_GPIO_65 reserved
R/W-0h R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-2651. Register 507 Field Descriptions
Bit Field Type Reset Description
3-1
ACTIV_BIR_DIR_C
TRL_GPIO_65
R/W 0h
Control to indicate whether the GPIO_65 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
2.16.373 Register 508h (offset = 508h) [reset = 1h]
Figure 2-2636. Register 508h
7 6 5 4 3 2 1 0
reserved reserved BUF_DIR_CTRL_GPIO_66
R/W-0h R/W-0h R/W-1h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-2652. Register 508 Field Descriptions
Bit Field Type Reset Description
7-5 reserved R/W 0h
4-2 reserved R/W 0h

Texas Instruments AFE79 Series Specifications

General

Brand	Texas Instruments
Model	AFE79 Series
Category	Control Unit
Language	English