Production Data
WM8352
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R184 (B8h)
DCDC2
15:14 DC2_ERRACT[1:0]
00
Action to take on DC-DC2 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 DC2_ENSLOT[3:0]
0000
Time slot for DC-DC2 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
DC2_SDSLOT[3:0]
0000
Time slot for DC-DC2 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 B8h DCDC2 Timeouts
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R186 (BAh)
DCDC3
Control
11
DC3_DISOVP
0
Over voltage Protection
0 = enabled
1 = disabled
Reset by state machine. Default held in metal mask.
10
DC3_OPFLT
0
Enable discharge of DC-DC3 outputs when DC-DC3
is disabled
0 = Enabled - Output to be discharged
1 = Disabled - Output is left floating
6:0
DC3_VSEL[6:0] 000_0000 DC-DC3 Converter output voltage settings in 25mV
steps.
000_0110
101_0110
101_0000
Maximum output = 3.4V.
110 0110 = 3.4V
110 0010 = 3.3V
101 0110 = 3.0V
100 1110 = 2.8V
……
010 0110 = 1.8V
000 1110 = 1.2V
000 0110 = 1.0V
000 0000 = 0.85V
Reset by state machine. Default held in metal mask.
Register BAh DCDC3 Control
PD, February 2011, Rev 4.4
297
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
