WM8321
Production Data
ADDRESS
DC2 DVS
Control
BIT
LABEL
DEFAULT
DESCRIPTION
Same as DC-DC1
DC2_DVS_V
SEL [6:0]
6:0
000_0000
R16480 (4060h)
DC3 Control 1
DC3_PHASE
DC3_FLT
Same as DC-DC1
Same as DC-DC1
12
7
0
0
DC3_SOFT_
START [1:0]
DC-DC3 Soft-Start Control
5:4
01
(Duration in each of the 3
intermediate startup current limiting
steps.)
00 = Immediate start-up
01 = 512us steps
10 = 4.096ms steps
11 = 32.768ms steps
DC-DC3 Current Limit
DC3_STNBY
_LIM [1:0]
3:2
01
Sets the maximum DC output current
in Hysteretic Mode.
00 = 50mA
01 = 100mA
10 = 200mA
11 = 400mA
Protected by user key
DC-DC3 Output Capacitor
00 = 10uF to 20uF
01 = 10uF to 20uF
10 = 22uF to 45uF
11 = 47uF to 100uF
DC3_CAP
[1:0]
1:0
00
This field can only be written to by
loading configuration settings from
OTP/ICE. In all other cases, this field
is Read Only.
R16481 (4061h)
DC3 Control 2
DC3_ERR_A
CT [1:0]
Same as DC-DC1
Same as DC-DC1
Same as DC-DC1
Same as DC-DC1
15:14
12:11
10
00
00
0
DC3_HWC_
SRC [1:0]
DC3_HWC_
VSEL
DC3_HWC_
MODE [1:0]
9:8
11
0
DC3_OVP
DC-DC3 Overvoltage Protection
0 = Disabled
7
1 = Enabled
R16482 (4062h)
DC3 ON Config
DC3_ON_SL
OT [2:0]
Same as DC-DC1
15:13
9:8
000
00
DC3_ON_M
ODE [1:0]
Same as DC-DC1
DC3_ON_VS
EL [6:2]
DC-DC3 ON Voltage select
6:2
00000
PD, February 2012, Rev 4.0
74
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
