WM8311 Datasheet, PDF (218/302 Pages) Wolfson Microelectronics plc – Processor Power Management Subsystem

WM8311
REGISTER BIT
ADDRESS
3:0
LABEL
DEFAULT
DESCRIPTION
GP6_FN [3:0]
0000
GPIO6 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 403Dh GPIO6 Control
Output functions:
0 = GPIO output
1 = 32.768kHz oscillator output
2 = ON state
3 = SLEEP state
4 = Power State Change
5 = Reserved
6 = Touch Panel Pen Down
7 = Touch Panel Conversion complete
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
R16446
(403Eh)
GPIO7
Control
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
15
GP7_DIR
1
GPIO7 pin direction
0 = Output
1 = Input
14:13
GP7_PULL
[1:0]
01
GPIO7 Pull-Up / Pull-Down configuration
00 = No pull resistor
01 = Pull-down enabled
10 = Pull-up enabled
11 = Reserved
12 GP7_INT_MOD
0
GPIO7 Interrupt Mode
E
0 = GPIO interrupt is rising edge triggered (if
GP7_POL=1) or falling edge triggered (if GP7_POL=0)
1 = GPIO interrupt is triggered on rising and falling
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PP, May 2012, Rev 3.1
218