Production Data
WM8321
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
EPE1_HWC
_SRC [1:0]
EPE1 Hardware Control Source
00 = Disabled
12:11
00
01 = Hardware Control 1
10 = Hardware Control 2
11 = Hardware Control 1 or 2
EPE1 Hardware Control Enable
EPE1_HWC
ENA
8
0
0 = EPE1 is controlled by EPE1_ENA
(Hardware Control input(s) are
ignored)
1 = EPE1 is controlled by HWC
inputs (Hardware Control input(s)
force EPE1 to be de-asserted)
EPE1_SLP_
SLOT [2:0]
EPE1 SLEEP Slot select
000 = No action
7:5
000
001 = Disable in Timeslot 5
010 = Disable in Timeslot 4
011 = Disable in Timeslot 3
100 = Disable in Timeslot 2
101 = Disable in Timeslot 1
110 = No action
111 = No action
R1652 (408Ah)
EPE2 Control
EPE2_ON_S
LOT [2:0]
Same as EPE1
15:13
12:11
8
000
00
EPE2_HWC
_SRC [1:0]
Same as EPE1
Same as EPE1
Same as EPE1
EPE2_HWC
ENA
0
EPE2_SLP_
SLOT [2:0]
7:5
000
Table 37 External Power Enable (EPE) Control
15.11.5 MONITORING AND FAULT REPORTING
The overvoltage, undervoltage and high current status registers are defined in Table 38.
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
DC-DC2 Overvoltage Status
0 = Normal
R16468 (4054h)
DC2_OV_ST
S
13
0
DCDC UV
Status
1 = Overvoltage
DC1_OV_ST
S
DC-DC1 Overvoltage Status
0 = Normal
12
9
0
0
0
0
0
1 = Overvoltage
DC2_HC_ST
S
DC-DC2 High Current Status
0 = Normal
1 = High Current
8
DC1_HC_ST
S
DC-DC1 High Current Status
0 = Normal
1 = High Current
DCm_UV_S
TS
DC-DCm Undervoltage Status
0 = Normal
3:0
15
1 = Undervoltage
R16469 (4055h)
LDO UV Status
INTLDO_UV
_STS
LDO13 (Internal LDO) Undervoltage
Status
0 = Normal
1 = Undervoltage
PD, February 2012, Rev 4.0
85
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
