GPIO Registers
25.4.1.22 GPIO_FALLINGDETECT Register (offset = 14Ch) [reset = 0h]
GPIO_FALLINGDETECT is shown in
and described in
The GPIO_FALLINGDETECT register is used to enable/disable for each input lines the falling-edge
(transition 1 to 0) detection to be used for the interrupt request generation.
Figure 25-28. GPIO_FALLINGDETECT Register
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
FALLINGDETECT[n]
R/W-0h
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 25-27. GPIO_FALLINGDETECT Register Field Descriptions
Bit
Field
Type
Reset
Description
31-0
FALLINGDETECT[n]
R/W
0h
Falling Edge Interrupt Enable
0x0 = Disable IRQ on falling-edge detect.
0x1 = Enable IRQ on falling-edge detect.
4090
General-Purpose Input/Output
SPRUH73H – October 2011 – Revised April 2013
Copyright © 2011–2013, Texas Instruments Incorporated