WM8310 Datasheet, PDF (199/291 Pages) Wolfson Microelectronics plc – Processor Power Management Subsystem

Pre-Production
REGISTER BIT
ADDRESS
9
7
3:0
LABEL
DEFAULT
DESCRIPTION
GP3_OD
GP3_ENA
GP3_FN [3:0]
0
0
0000
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
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 403Ah GPIO3 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
WM8310
REFER TO
w
PP, May 2012, Rev 3.1
199