GIO Control Registers
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SPNU563A–March 2018
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General-Purpose Input/Output (GIO) Module
25.5.1 GIO Global Control Register (GIOGCR0)
The GIOGCR0 register contains one bit that controls the module reset status. Writing a 0 to this bit puts
the module in a reset state. After system reset, this bit must be set to 1 before configuring any other
register of the GIO module. Figure 25-5 and Table 25-2 describe this register.
Figure 25-5. GIO Global Control Register (GIOGCR0) [offset = 00h]
31 16
Reserved
R-0
15 1 0
Reserved RESET
R-0 R/WP-0
LEGEND: R/W = Read/Write; R = Read only; WP = Write in privileged mode only; -n = value after reset
Table 25-2. GIO Global Control Register (GIOGCR0) Field Descriptions
Bit Field Value Description
31-1 Reserved 0 Reads return 0. Writes have no effect.
0 RESET GIO reset.
0 The GIO is in reset state.
1 The GIO is operating normally.
NOTE: Note that putting the GIO module in reset state is not the same as putting it in a low-power
state.
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