WM8351CGEB/RV WOLFSON [Wolfson Microelectronics plc], WM8351CGEB/RV Datasheet - Page 299
WM8351CGEB/RV
Manufacturer Part Number
WM8351CGEB/RV
Description
Manufacturer
WOLFSON [Wolfson Microelectronics plc]
Datasheet
1.WM8351CGEBRV.pdf
(330 pages)
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Production Data
REGISTER
Register BEh DCDC4 Timeouts
REGISTER
w
ADDRESS
ADDRESS
DCDC4 Low
R190 (BEh)
R191 (BFh)
Timeouts
DCDC4
Power
14:12
15:14
13:10
BIT
BIT
9:8
6:0
9:6
DC4_HIB_MODE[2:0]
DC4_ERRACT[1:0]
DC4_ENSLOT[3:0]
DC4_SDSLOT[3:0]
DC4_HIB_TRIG[1:0]
DC4_VIMG[6:0]
LABEL
LABEL
DEFAULT
DEFAULT
000_0110
0000
0010
0011
0101
0000
00
000
00
Action to take on DC-DC4 fault (as well as
generating an interrupt):
00 = ignore
01 = shut down converter
10 = shut down system
11 = reserved (shut down system)
Reset by state machine. Default held in metal
mask.
Time slot for DC-DC4 start-up
0000 = Disabled (do not start up)
0001 = Start-up in time slot 1
… (total 14 slots available)
1110 = Start-up in time slot 14
1111 = Start-up on entering ACTIVE
Reset by state machine. Default held in metal
mask.
Time slot for DC-DC4 shutdown.
0000 = Shut down on entering OFF
0001 = Shutdown in time slot 1
…. (total 14 slots available)
1110 = Shutdown in time slot 14
1111 = Shut down on entering OFF
DC-DC4 Hibernate behaviour:
000 = Use current settings (no change)
001 = Select voltage image settings
010 = Force standby mode
011 = Force standby mode and voltage image
settings.
100 = Force LDO mode
101 = Force LDO mode and voltage image
settings.
110 = Reserved.
111 = Disable output
Reset by state machine. Default held in metal
mask.
DC-DC4 Hibernate signal select
00 = HIBERNATE register bit
01 = L_PWR1
10 = L_PWR2
11 = L_PWR3
Note that Hibernate is also selected when a
GPIO Hibernate input is asserted.
Reset by state machine. Default held in metal
mask.
DC-DC4 Converter output image voltage settings
in 25mv steps.
Maximum output = 3.4V.
DESCRIPTION
DESCRIPTION
PD, April 2012, Rev 4.5
REFER TO
REFER TO
WM8351
299
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