WM8326
Production Data
REFER TO
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
0Eh = 1.60V
0Fh = 1.70V
…
1Eh = 3.20V
1Fh = 3.30V
Register 406Ah LDO1 SLEEP Control
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R16491
(406Bh)
LDO2
LDO2_ERR_A
CT [1:0]
LDO2 Error Action (Undervoltage)
00 = Ignore
15:14
00
01 = Shut down regulator
Control
10 = Shut down system (Device Reset)
11 = Reserved
Note that an Interrupt is always raised.
LDO2 Hardware Control Source
00 = Disabled
LDO2_HWC_S
RC [1:0]
12:11
00
01 = Hardware Control 1
10 = Hardware Control 2
11 = Hardware Control 1 or 2
LDO2 Hardware Control Voltage select
0 = Set by LDO2_ON_VSEL
1 = Set by LDO2_SLP_VSEL
LDO2 Hardware Control Operating Mode
00 = Low Power mode
LDO2_HWC_V
SEL
10
0
LDO2_HWC_M
ODE [1:0]
9:8
10
01 = Turn converter off
10 = Low Power mode
11 = Set by LDO2_ON_MODE
LDO2 Output float
LDO2_FLT
LDO2_SWI
7
6
0
0
0
0
0 = LDO2 output discharged when disabled
1 = LDO2 output floating when disabled
LDO2 Switch Mode
0 = LDO mode
1 = Switch mode
LDO2_LP_MO
DE
LDO2 Low Power Mode Select
0 = 50mA (reduced quiescent current)
1 = 20mA (minimum quiescent current)
Selects which Low Power mode is used in ON, SLEEP,
or under HWC modes.
Register 406Bh LDO2 Control
PD, June 2012, Rev 4.0
204
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
