GPIO Registers
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25.4.1.24 GPIO_DEBOUNCINGTIME Register (offset = 154h) [reset = 0h]
GPIO_DEBOUNCINGTIME is shown in Figure 25-30 and described in Table 25-29.
The GPIO_DEBOUNCINGTIME register controls debouncing time (the value is global for all ports). The
debouncing cell is running with the debouncing clock (32 kHz), this register represents the number of the
clock cycle(s) (31 s long) to be used.
Figure 25-30. GPIO_DEBOUNCINGTIME Register
31 30 29 28 27 26 25 24
Reserved
R/W-0h
23 22 21 20 19 18 17 16
Reserved
R/W-0h
15 14 13 12 11 10 9 8
Reserved
R/W-0h
7 6 5 4 3 2 1 0
DEBOUNCETIME
R/W-0h
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 25-29. GPIO_DEBOUNCINGTIME Register Field Descriptions
Bit Field Type Reset Description
31-8 Reserved R/W 0h
7-0 DEBOUNCETIME R/W 0h Input Debouncing Value in 31 microsecond steps.
Debouncing Value = (DEBOUNCETIME + 1) * 31 microseconds
4092
General-Purpose Input/Output SPRUH73H–October 2011–Revised April 2013
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