WM8325 Datasheet, PDF (239/254 Pages) Wolfson Microelectronics plc – Processor Power Management Subsystem

Production Data
REGISTER
ADDRESS
BIT
LABEL
3:1 CLKOUT_SLO
T [2:0]
0 WDOG_ENA
Register 781Bh GPIO2 OTP Control
DEFAULT
DESCRIPTION
000 CLKOUT output enable ON slot select
000 = Do not enable
001 = Enable in Timeslot 1
010 = Enable in Timeslot 2
011 = Enable in Timeslot 3
100 = Enable in Timeslot 4
101 = Enable in Timeslot 5
110 = Do not enable
111 = Do not enable
1
Watchdog Timer Enable
0 = Disabled
1 = Enabled (enables the watchdog; does not reset it)
Protected by security key.
WM8325
REFER TO
REGISTER
ADDRESS
R30748
(781Ch)
GPIO3 OTP
Control
BIT
LABEL
DEFAULT
DESCRIPTION
15 GP3_DIR
14:13 GP3_PULL
[1:0]
12 GP3_INT_MOD
E
11 GP3_PWR_DO
M
10 GP3_POL
9 GP3_OD
8 GP3_ENA
7:4 GP3_FN [3:0]
1
01
0
0
1
0
0
0000
GPIO3 pin direction
0 = Output
1 = Input
GPIO3 Pull-Up / Pull-Down configuration
00 = No pull resistor
01 = Pull-down enabled
10 = Pull-up enabled
11 = Reserved
GPIO3 Interrupt Mode
0 = GPIO interrupt is rising edge triggered (if
GP3_POL=1) or falling edge triggered (if GP3_POL=0)
1 = GPIO interrupt is triggered on rising and falling
edges
GPIO3 Power Domain select
0 = DBVDD
1 = PMICVDD (LDO12)
GPIO3 Polarity select
0 = Inverted (active low)
1 = Non-Inverted (active high)
GPIO3 Output pin configuration
0 = CMOS
1 = Open Drain
GPIO3 Enable control
0 = GPIO pin is tri-stated
1 = Normal operation
GPIO3 Pin Function
Input functions:
0 = GPIO input (long de-bounce)
1 = GPIO input
2 = Power On/Off request
3 = Sleep/Wake request
4 = Sleep/Wake request (long de-bounce)
5 = Sleep request
6 = Power On request
7 = Watchdog Reset input
REFER TO
w
PD, February 2012, Rev 4.0
239