WM8326
Production Data
REFER TO
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
Watchdog Reset Source
WDOG_RST_S
RC
13
1
0 = Hardware only
1 = Software only
Protected by security key.
Watchdog SLEEP Enable
0 = Disabled
WDOG_SLPE
NA
12
0
1 = Controlled by WDOG_ENA
Protected by security key.
Watchdog Software Reset
0 = Normal
WDOG_RESE
T
11
0
1 = Watchdog Reset (resets the watchdog, if
WDOG_RST_SRC = 1)
WDOG_SECA
CT [1:0]
Secondary action of Watchdog timeout (taken after 2
timeout periods)
9:8
10
00 = No action
01 = Interrupt
10 = Device Reset
11 = WAKE transition
Protected by security key.
Primary action of Watchdog timeout
00 = No action
WDOG_PRIMA
CT [1:0]
5:4
2:0
01
01 = Interrupt
10 = Device Reset
11 = WAKE transition
Protected by security key.
Watchdog timeout period
000 = 0.256s
WDOG_TO
[2:0]
111
001 = 0.512s
010 = 1.024s
011 = 2.048s
100 = 4.096s
101 = 8.192s
110 = 16.384s
111 = 32.768s
Protected by security key.
Register 4004h Watchdog
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R16389
(4005h) ON
Pin Control
ON_PIN_SECA
CT [1:0]
Secondary action of ON pin (taken after 1 timeout
period)
9:8
01
00 = Interrupt
01 = ON request
10 = OFF request
11 = Reserved
Protected by security key.
Primary action of ON pin
00 = Ignore
ON_PIN_PRIM
ACT [1:0]
5:4
00
01 = ON request
10 = OFF request
11 = Reserved
Note that an Interrupt is always raised.
PD, June 2012, Rev 4.0
148
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
