WM8352
Production Data
REFER TO
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
0 0000 = 0.9V
Reset by state machine. Default held in metal mask.
Register C8h LDO1 Control
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
00
DESCRIPTION
REFER TO
R201 (C9h)
LDO1
15:14 LDO1_ERRACT[1:0]
Action to take on LDO1 fault (as well as
generating an interrupt):
Timeouts
00 = ignore
01 = shut down regulator
10 = shut down system
11 = reserved (shut down system)
Reset by state machine. Default held in metal
mask.
13:10 LDO1_ENSLOT[3:0]
0000
0000
0000
0100
Time slot for LDO1 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
LDO1_SDSLOT[3:0]
0000
Time slot for LDO1 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 C9h LDO1 Timeouts
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R202 (CAh) 13:12 LDO1_HIB_MODE[1:0]
LDO1 Low
Power
00
LDO1 Hibernate behaviour:
00 = Select voltage image settings
01 = disable output
10 = reserved
11 = reserved
Reset by state machine. Default held in metal
mask.
9:8
LDO1_HIB_TRIG[1:0]
00
LDO1 Hibernate signal select
00 = Hibernate register bit
01 = L_PWR1
10 = L_PWR2
11 = L_PWR3
Reset by state machine. Default held in metal
mask.
4:0
LDO1_VIMG[4:0]
1_1100
LDO1 Regulator output image voltage
1 1111 = 3.3V
… (100mV steps)
1 0000 = 1.8V
0 1111 = 1.65V
… (50mV steps)
PD, February 2011, Rev 4.4
306
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
