WM8352
Production Data
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R190 (BEh)
DCDC4
15:14 DC4_ERRACT[1:0]
00
Action to take on DC-DC4 fault (as well as
generating an interrupt):
Timeouts
00 = ignore
01 = shut down converter
10 = shut down system
11 = reserved (shut down system)
Reset by state machine. Default held in metal
mask.
13:10 DC4_ENSLOT[3:0]
0000
0011
0100
0001
Time slot for DC-DC4 start-up
0000 = Disabled (do not start up)
0001 = Start-up in time slot 1
… (total 14 slots available)
1110 = Start-up in time slot 14
1111 = Start-up on entering ACTIVE
Reset by state machine. Default held in metal
mask.
9:6
DC4_SDSLOT[3:0]
0000
Time slot for DC-DC4 shutdown.
0000 = Shut down on entering OFF
0001 = Shutdown in time slot 1
…. (total 14 slots available)
1110 = Shutdown in time slot 14
1111 = Shut down on entering OFF
Register BEh DCDC4 Timeouts
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R191 (BFh) 14:12 DC4_HIB_MODE[2:0]
000
DC-DC4 Hibernate behaviour:
DCDC4 Low
Power
000 = Use current settings (no change)
001 = Select voltage image settings
010 = Force standby mode
011 = Force standby mode and voltage image
settings.
100 = Force LDO mode
101 = Force LDO mode and voltage image
settings.
110 = Reserved.
111 = Disable output
Reset by state machine. Default held in metal
mask.
9:8
DC4_HIB_TRIG[1:0]
00
DC-DC4 Hibernate signal select
00 = HIBERNATE register bit
01 = L_PWR1
10 = L_PWR2
11 = L_PWR3
Note that Hibernate is also selected when a
GPIO Hibernate input is asserted.
Reset by state machine. Default held in metal
mask.
PD, February 2011, Rev 4.4
300
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
