WM8326
Production Data
REFER TO
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
DC3_HWC_VS
EL
DC-DC3 Hardware Control Voltage select
0 = Set by DC3_ON_VSEL
10
0
1 = Set by DC3_SLP_VSEL
DC3_HWC_M
ODE [1:0]
DC-DC3 Hardware Control Operating Mode
00 = Forced Continuous Conduction Mode
01 = Disabled
9:8
11
0
10 = LDO Mode
11 = Hysteretic Mode
DC3_OVP
DC-DC3 Overvoltage Protection
0 = Disabled
7
1 = Enabled
Register 4061h DC3 Control 2
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R16482
(4062h) DC3
ON Config
DC3_ON_SLO
T [2:0]
DC-DC3 ON Slot select
15:13
000
000 = Do not enable
001 = Enable in Timeslot 1
010 = Enable in Timeslot 2
011 = Enable in Timeslot 3
100 = Enable in Timeslot 4
101 = Enable in Timeslot 5
110 = Controlled by Hardware Enable 1
111 = Controlled by Hardware Enable 2
DC-DC3 ON Operating Mode
00 = Forced Continuous Conduction Mode
DC3_ON_MOD
E [1:0]
9:8
6:2
01
01 = Auto Mode (Continuous / Discontinuous
Conduction with Pulse-Skipping)
10 = LDO Mode
11 = Hysteretic Mode
DC-DC3 ON Voltage select
DC3_ON_VSE
L [6:2]
0_0000
DC3_ON_VSEL [6:0] selects the DC-DC3 output
voltage from 0.85V to 3.4V in 25mV steps.
DC3_ON_VSEL [6:2] also exist in ICE/OTP memory,
controlling the voltage in 100mV steps.
DC3_ON_VSEL [6:0] is coded as follows:
00h = 0.85V
01h = 0.875V
…
65h = 3.375V
66h to 7Fh = 3.4V
DC-DC3 ON Voltage select
DC3_ON_VSE
L [1:0]
1:0
00
DC3_ON_VSEL [6:0] selects the DC-DC3 output
voltage from 0.85V to 3.4V in 25mV steps.
See DC3_ON_VSEL [6:2] for definition.
Register 4062h DC3 ON Config
PD, June 2012, Rev 4.0
198
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
