Texas Instruments AFE79 Series User Manual

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1079
SBAU337–May 2020
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Serial Interface Register Maps
2.16.271 Register 43Ch (offset = 43Ch) [reset = 1h]
Figure 2-2534. Register 43Ch
7 6 5 4 3 2 1 0
reserved reserved BUF_DIR_CTRL_GPIO_15
R/W-0h R/W-0h R/W-1h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-2550. Register 43C 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_15
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
Unused as this is fixed IO
2.16.272 Register 43Fh (offset = 43Fh) [reset = 0h]
Figure 2-2535. Register 43Fh
7 6 5 4 3 2 1 0
ACTIV_BIR_DIR_CTRL_GPIO_15 reserved
R/W-0h R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-2551. Register 43F Field Descriptions
Bit Field Type Reset Description
3-1
ACTIV_BIR_DIR_C
TRL_GPIO_15
R/W 0h
Control to indicate whether the GPIO_15 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.
Unused as this is fixed IO
0-0 reserved R/W 0h
2.16.273 Register 440h (offset = 440h) [reset = 1h]
Figure 2-2536. Register 440h
7 6 5 4 3 2 1 0
reserved reserved BUF_DIR_CTRL_GPIO_16
R/W-0h R/W-0h R/W-1h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-2552. Register 440 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