WM8310 Datasheet, PDF (227/291 Pages) Wolfson Microelectronics plc – Processor Power Management Subsystem

Pre-Production
WM8310
REGISTER
ADDRESS
R16478
(405Eh)
DC2 SLEEP
Control
BIT
LABEL
DEFAULT
DESCRIPTION
15:13
9:8
6:0
DC2_SLP_SLO
T [2:0]
DC2_SLP_MO
DE [1:0]
DC2_SLP_VSE
L [6:0]
000
11
000_0000
DC-DC2 SLEEP Slot select
000 = SLEEP voltage / operating mode transition in
Timeslot 5
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 = SLEEP voltage / operating mode transition in
Timeslot 3
111 = SLEEP voltage / operating mode transition in
Timeslot 1
If DC-DC2 is assigned to a Hardware Enable Input,
then codes 001-101 select in which timeslot the
converter enters its SLEEP condition.
DC-DC2 SLEEP Operating Mode
00 = Forced Continuous Conduction Mode
01 = Auto Mode (Continuous / Discontinuous
Conduction with Pulse-Skipping)
10 = LDO Mode
11 = Hysteretic Mode
DC-DC2 SLEEP Voltage select
0.6V to 1.8V in 12.5mV steps
00h to 08h = 0.6V
09h = 0.6125V
…
48h = 1.4V (see note)
…
67h = 1.7875V
68h to 7Fh = 1.8V
Register 405Eh DC2 SLEEP Control
Note - Maximum output voltage selection in 4MHz
switching mode is 48h (1.4V).
REFER TO
REGISTER
ADDRESS
R16479
(405Fh)
DC2 DVS
Control
BIT
LABEL
DEFAULT
DESCRIPTION
12:11
6:0
DC2_DVS_SR
C [1:0]
DC2_DVS_VS
EL [6:0]
00
000_0000
DC-DC2 DVS Control Source
00 = Disabled
01 = Enabled
10 = Controlled by Hardware DVS1
11 = Controlled by Hardware DVS2
DC-DC2 DVS Voltage select
0.6V to 1.8V in 12.5mV steps
00h to 08h = 0.6V
09h = 0.6125V
…
48h = 1.4V (see note)
…
67h = 1.7875V
w
REFER TO
PP, May 2012, Rev 3.1
227