WM8310 Datasheet, PDF (198/291 Pages) Wolfson Microelectronics plc – Processor Power Management Subsystem

WM8310
REGISTER BIT
ADDRESS
LABEL
Register 4039h GPIO2 Control
DEFAULT
DESCRIPTION
5 = Sleep request
6 = Power On request
7 = Watchdog Reset input
8 = DVS1 input
9 = DVS2 input
10 = HW Enable1 input
11 = HW Enable2 input
12 = HW Control1 input
13 = HW Control2 input
14 = HW Control1 input (long de-bounce)
15 = HW Control2 input (long de-bounce)
Output functions:
0 = GPIO output
1 = 32.768kHz oscillator output
2 = ON state
3 = SLEEP state
4 = Power State Change
5 = Reserved
6 = Reserved
7 = Reserved
8 = DC-DC1 DVS Done
9 = DC-DC2 DVS Done
10 = External Power Enable1
11 = External Power Enable2
12 = System Supply Good (SYSOK)
13 = Converter Power Good (PWR_GOOD)
14 = External Power Clock (2MHz)
15 = Auxiliary Reset
Pre-Production
REFER TO
REGISTER
ADDRESS
R16442
(403Ah)
GPIO3
Control
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
15
GP3_DIR
1
GPIO3 pin direction
0 = Output
1 = Input
14:13
GP3_PULL
[1:0]
01
GPIO3 Pull-Up / Pull-Down configuration
00 = No pull resistor
01 = Pull-down enabled
10 = Pull-up enabled
11 = Reserved
12 GP3_INT_MOD
0
GPIO3 Interrupt Mode
E
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
11 GP3_PWR_DO
0
GPIO3 Power Domain select
M
0 = DBVDD
1 = PMICVDD (LDO12)
10
GP3_POL
1
GPIO3 Polarity select
0 = Inverted (active low)
1 = Non-Inverted (active high)
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PP, May 2012, Rev 3.1
198