WM8326 Datasheet, PDF (171/255 Pages) Wolfson Microelectronics plc – Processor Power Management Subsystem

Production Data
REGISTER BIT
ADDRESS
11
10
9
7
3:0
LABEL
DEFAULT
DESCRIPTION
GP2_PWR_DO
M
GP2_POL
GP2_OD
GP2_ENA
GP2_FN [3:0]
0
1
0
0
0000
edges
GPIO2 Power Domain select
0 = DBVDD
1 = PMICVDD (LDO12)
GPIO2 Polarity select
0 = Inverted (active low)
1 = Non-Inverted (active high)
GPIO2 Output pin configuration
0 = CMOS
1 = Open Drain
GPIO2 Enable control
0 = GPIO pin is tri-stated
1 = Normal operation
GPIO2 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
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)
Register 4039h GPIO2 Control
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
WM8326
REFER TO
w
PD, June 2012, Rev 4.0
171