WM8310 Datasheet, PDF (272/291 Pages) Wolfson Microelectronics plc – Processor Power Management Subsystem

WM8310
REGISTER BIT
ADDRESS
LABEL
DEFAULT
3:1 FLL_AUTO_FR
000
EQ [2:0]
Register 781Ch GPIO3 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
FLL Automatic Mode Frequency select
000 = 2.048MHz
001 = 11.2896MHz
010 = 12MHz
011 = 12.288MHz
100 = 19.2MHz
101 = 22.5792MHz
110 = 24MHz
111 = 24.576MHz
Pre-Production
REFER TO
REGISTER
ADDRESS
R30749
(781Dh)
GPIO4 OTP
Control
BIT
15
14:13
LABEL
DEFAULT
GP4_DIR
1
GP4_PULL
01
[1:0]
12 GP4_INT_MOD
0
E
11 GP4_PWR_DO
0
M
10
GP4_POL
1
9
GP4_OD
0
8
GP4_ENA
0
7:4 GP4_FN [3:0]
0000
w
DESCRIPTION
REFER TO
GPIO4 pin direction
0 = Output
1 = Input
GPIO4 Pull-Up / Pull-Down configuration
00 = No pull resistor
01 = Pull-down enabled
10 = Pull-up enabled
11 = Reserved
GPIO4 Interrupt Mode
0 = GPIO interrupt is rising edge triggered (if
GP4_POL=1) or falling edge triggered (if GP4_POL=0)
1 = GPIO interrupt is triggered on rising and falling
edges
GPIO4 Power Domain select
0 = DBVDD
1 = SYSVDD
GPIO4 Polarity select
0 = Inverted (active low)
1 = Non-Inverted (active high)
GPIO4 Output pin configuration
0 = CMOS
1 = Open Drain
GPIO4 Enable control
0 = GPIO pin is tri-stated
1 = Normal operation
GPIO4 Pin Function
Input functions:
0 = GPIO input (long de-bounce)
1 = GPIO input
2 = Power On/Off request
3 = Sleep/Wake request
PP, May 2012, Rev 3.1
272