SLAU723A October 2017 – October 2018 MSP432E401Y , MSP432E411Y
GPIO Direction (GPIODIR)
The GPIODIR register is the data direction register. Setting a bit in the GPIODIR register configures the corresponding pin to be an output, while clearing a bit configures the corresponding pin to be an input. All bits are cleared by a reset, meaning all GPIO pins are inputs by default.
GPIODIR is shown in Figure 17-6 and described in Table 17-8.
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31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
RESERVED | DIR | ||||||||||||||||||||||||||||||
R-0x0 | R/W-0x0 | ||||||||||||||||||||||||||||||