WM8321 Datasheet, PDF (218/253 Pages) Wolfson Microelectronics plc – Processor Power Management Subsystem

WM8321
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
4:0 LDO9_SLP_VS 0_0000 LDO9 SLEEP Voltage select
EL [4:0]
1.0V to 1.6V in 50mV steps
1.7V to 3.5V in 100mV steps
00h = 1.00V
01h = 1.05V
02h = 1.10V
…
0Ch = 1.60V
0Dh = 1.70V
…
1Eh = 3.40V
1Fh = 3.50V
Register 4082h LDO9 SLEEP Control
REGISTER
ADDRESS
R16515
(4083h)
LDO10
Control
BIT
LABEL
15:14 LDO10_ERR_
ACT [1:0]
12:11 LDO10_HWC_
SRC [1:0]
10 LDO10_HWC_
VSEL
9:8 LDO10_HWC_
MODE [1:0]
7 LDO10_FLT
6 LDO10_SWI
Register 4083h LDO10 Control
DEFAULT
DESCRIPTION
00
LDO10 Error Action (Undervoltage)
00 = Ignore
01 = Shut down regulator
10 = Shut down system (Device Reset)
11 = Reserved
Note that an Interrupt is always raised.
00
LDO10 Hardware Control Source
00 = Disabled
01 = Hardware Control 1
10 = Hardware Control 2
11 = Hardware Control 1 or 2
0
LDO10 Hardware Control Voltage select
0 = Set by LDO10_ON_VSEL
1 = Set by LDO10_SLP_VSEL
10
LDO10 Hardware Control Operating Mode
00 = Low Power mode
01 = Turn converter off
10 = Low Power mode
11 = Set by LDO10_ON_MODE
0
LDO10 Output float
0 = LDO10 output discharged when disabled
1 = LDO10 output floating when disabled
0
LDO10 Switch Mode
0 = LDO mode
1 = Switch mode
Production Data
REFER TO
REFER TO
w
PD, February 2012, Rev 4.0
218