IO Wrap Register Map
1093
SBAU337 – May 2020
Copyright © 2020, Texas Instruments Incorporated
Serial Interface Register Maps
2.16.306 Register 483h (offset = 483h) [reset = 0h]
Figure 2-2569. Register 483h
7
6
5
4
3
2
1
0
ACTIV_BIR_DIR_CTRL_GPIO_32
reserved
R/W-0h
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-2585. Register 483 Field Descriptions
Bit
Field
Type
Reset
Description
3-1
ACTIV_BIR_DIR_C
TRL_GPIO_32
R/W
0h
Control to indicate whether the GPIO_32 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
2.16.307 Register 484h (offset = 484h) [reset = 1h]
Figure 2-2570. Register 484h
7
6
5
4
3
2
1
0
reserved
reserved
BUF_DIR_CTRL_GPIO_33
R/W-0h
R/W-0h
R/W-1h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-2586. Register 484 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_33
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
2.16.308 Register 487h (offset = 487h) [reset = 0h]
Figure 2-2571. Register 487h
7
6
5
4
3
2
1
0
ACTIV_BIR_DIR_CTRL_GPIO_33
reserved
R/W-0h
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset