Production Data
WM8352
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
0001 = Shutdown in time slot 1
…. (total 14 slots available)
1110 = Shutdown in time slot 14
1111 = Shut down on entering OFF
Register B5h DCDC1 Timeouts
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R182 (B6h)
DCDC1 Low
Power
14:12 DC1_HIB_MODE[2:0]
001
DC-DC1 Hibernate behaviour:
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
DC-DC1 Hibernate signal select
00 = HIBERNATE register bit
01 = L_PWR1
9:8
DC1_HIB_TRIG[1:0]
00
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.
6:0
DC1_VIMG[6:0]
000_0110 DC-DC1 Converter output image voltage settings
in 25mv steps.
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
Register B6h DCDC1 Low Power
PD, February 2011, Rev 4.4
295
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
