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IO Wrap Register Map
2.16.62 Register 251h (offset = 251h) [reset = 2h]
7
6
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Bit
Field
IBUF_ST_GPIO_2
1-0
0
2.16.63 Register 252h (offset = 252h) [reset = 0h]
7
6
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Bit
Field
ODRIV_DS_GPIO_
1-0
20
2.16.64 Register 254h (offset = 254h) [reset = 1h]
7
6
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Bit
Field
PULL_CTRL_GPIO
2-0
_21
2.16.65 Register 255h (offset = 255h) [reset = 2h]
7
6
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
1016
Serial Interface Register Maps
Figure 2-2325. Register 251h
5
4
Table 2-2341. Register 251 Field Descriptions
Type
Reset
R/W
2h
Figure 2-2326. Register 252h
5
4
Table 2-2342. Register 252 Field Descriptions
Type
Reset
R/W
0h
Figure 2-2327. Register 254h
5
4
Table 2-2343. Register 254 Field Descriptions
Type
Reset
R/W
1h
Figure 2-2328. Register 255h
5
4
Copyright © 2020, Texas Instruments Incorporated
3
2
Description
Input buffer signal strength
3
2
Description
output buffer drive strength.
3
2
PULL_CTRL_GPIO_21
Description
Bit 0 indicates Pull up enable.
Bit <1> Indicates Pull value.
Bit <2> is unused.
3
2
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1
0
IBUF_ST_GPIO_20
R/W-2h
1
0
ODRIV_DS_GPIO_20
R/W-0h
1
0
R/W-1h
1
0
IBUF_ST_GPIO_21
R/W-2h
SBAU337 – May 2020
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