WM8310 Datasheet, PDF (275/291 Pages) Wolfson Microelectronics plc – Processor Power Management Subsystem

Pre-Production
REGISTER BIT
ADDRESS
LABEL
DEFAULT
3:1 USB_ILIM [2:0]
010
Register 781Eh GPIO5 OTP Control
DESCRIPTION
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
Sets the USB current limit
000 = 0mA (USB switch is open)
001 = 2.5mA
010 = 100mA
011 = 500mA
100 = 900mA
101 = 1500mA
110 = 1800mA
111 = 550mA
WM8310
REFER TO
REGISTER
ADDRESS
R30751
(781Fh)
GPIO6 OTP
Control
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
15
GP6_DIR
14:13
GP6_PULL
[1:0]
12 GP6_INT_MOD
E
11 GP6_PWR_DO
M
10
GP6_POL
9
GP6_OD
8
GP6_ENA
7:4 GP6_FN [3:0]
1
01
0
0
1
0
0
0000
GPIO6 pin direction
0 = Output
1 = Input
GPIO6 Pull-Up / Pull-Down configuration
00 = No pull resistor
01 = Pull-down enabled
10 = Pull-up enabled
11 = Reserved
GPIO6 Interrupt Mode
0 = GPIO interrupt is rising edge triggered (if
GP6_POL=1) or falling edge triggered (if GP6_POL=0)
1 = GPIO interrupt is triggered on rising and falling
edges
GPIO6 Power Domain select
0 = DBVDD
1 = SYSVDD
GPIO6 Polarity select
0 = Inverted (active low)
1 = Non-Inverted (active high)
GPIO6 Output pin configuration
0 = CMOS
1 = Open Drain
GPIO6 Enable control
0 = GPIO pin is tri-stated
1 = Normal operation
GPIO6 Pin Function
Input functions:
0 = GPIO input (long de-bounce)
1 = GPIO input
2 = Power On/Off request
3 = Sleep/Wake request
w
PP, May 2012, Rev 3.1
275