Sony CXD5602 User Manual page 103

Figure General Purpose Input/Output (GPIO)-22 shows event detection timings of (0) to (5) of the above seven
ways.
RTC Clock
External Signal
(0) Instant High
(1) Instant Low
(2) Level High
(3) Level Low
(4) Pos edge
(5) Neg edge
(2) Level High(Noise Cut)
(3) Level Low(Noise Cut)
(4) Pos edge(Noise Cut)
(5) Neg edge(Noise Cut)
Event detect
Sampling
Figure General Purpose Input/Output (GPIO)-22 Event Detection Timing Diagram
Table General Purpose Input/Output (GPIO)-28 shows registers for setting Event Detection of I/O pins.
Table General Purpose Input/Output (GPIO)-28 Event Detection Setting for I/O Pins
Address Register
Name
0x04100464 PMU_WAKE_TRIG_
NOISECUTEN0
Always Event det ect
Two consecutive sampling
of External Signal
Bit Field
Name
USB_VBUS
USB_VBUS_X
PMIC_INT
SEN_INT
APPGPI5
APPGPI4
APPGPI3
APPGPI2
APPGPI1
APPGPI0
SYSGPI5
SYSGPI4
－103/1010－
Type Bit Initial
Value
RW [31] 0
RW [30] 0
RW [29] 0
RW [28] 0
RW [27] 0
RW [26] 0
RW [25] 0
RW [24] 0
RW [23] 0
RW [22] 0
RW [21] 0
RW [20] 0
CXD5602 User Manual
Description
Debounce
1: eliminates noise
0: does not eliminate noise