Production Data
WM8321
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R16398
(400Eh) ON
Source
ON_TRANS
Most recent ON/WAKE event type
0 = WAKE transition
15
0
1 = ON transition
Reset by state machine.
Most recent ON/WAKE event type
0 = Not caused by GPIO input
1 = Caused by GPIO input
Reset by state machine.
Most recent WAKE event type
0 = Not caused by PVDD
ON_GPIO
11
10
0
0
ON_SYSLO
1 = Caused by SYSLO threshold. Note that the SYSLO
threshold cannot trigger an ON event.
Reset by state machine.
ON_WDOG_T
O
Most recent WAKE event type
0 = Not caused by Watchdog timer
1 = Caused by Watchdog timer
Reset by state machine.
7
6
0
0
ON_SW_REQ
Most recent WAKE event type
0 = Not caused by software WAKE
1 = Caused by software WAKE command (CHIP_SLP =
0)
Reset by state machine.
ON_RTC_ALM
ON_ON_PIN
Most recent ON/WAKE event type
0 = Not caused by RTC Alarm
1 = Caused by RTC Alarm
Reset by state machine.
5
4
3
0
0
0
Most recent ON/WAKE event type
0 = Not caused by the ON pin
1 = Caused by the ON pin
Reset by state machine.
RESET_CNV_
UV
Most recent ON event type
0 = Not caused by undervoltage
1 = Caused by a Device Reset due to a Converter (LDO
or DC-DC) undervoltage condition
Reset by state machine.
RESET_SW
RESET_HW
Most recent ON event type
0 = Not caused by Software Reset
1 = Caused by Software Reset
Reset by state machine.
2
1
0
0
0
0
Most recent ON event type
0 = Not caused by Hardware Reset
1 = Caused by Hardware Reset
Reset by state machine.
RESET_WDO
G
Most recent ON event type
0 = Not caused by the Watchdog
1 = Caused by a Device Reset triggered by the
Watchdog timer
Reset by state machine.
Register 400Eh ON Source
PD, February 2012, Rev 4.0
153
w