IO Wrap Register Map
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SBAU337–May 2020
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Serial Interface Register Maps
2.16.230 Register 331h (offset = 331h) [reset = 2h]
Figure 2-2493. Register 331h
7 6 5 4 3 2 1 0
IBUF_ST_GPIO_76
R/W-2h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-2509. Register 331 Field Descriptions
Bit Field Type Reset Description
1-0
IBUF_ST_GPIO_7
6
R/W 2h Input buffer signal strength
2.16.231 Register 332h (offset = 332h) [reset = 0h]
Figure 2-2494. Register 332h
7 6 5 4 3 2 1 0
ODRIV_DS_GPIO_76
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-2510. Register 332 Field Descriptions
Bit Field Type Reset Description
1-0
ODRIV_DS_GPIO_
76
R/W 0h output buffer drive strength.
2.16.232 Register 334h (offset = 334h) [reset = 1h]
Figure 2-2495. Register 334h
7 6 5 4 3 2 1 0
PULL_CTRL_GPIO_77
R/W-1h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-2511. Register 334 Field Descriptions
Bit Field Type Reset Description
2-0
PULL_CTRL_GPIO
_77
R/W 1h
Bit 0 indicates Pull up enable.
Bit <1> Indicates Pull value.
Bit <2> is unused.
2.16.233 Register 335h (offset = 335h) [reset = 2h]
Figure 2-2496. Register 335h
7 6 5 4 3 2 1 0
IBUF_ST_GPIO_77
R/W-2h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset