WM8311GEB/V Wolfson Microelectronics, WM8311GEB/V Datasheet - Page 85

• Manufacturer Part Number: WM8311GEB/V
• Description: POWER MANAGEMENT SUBSYSTEM, 121BGA
• Manufacturer: Wolfson Microelectronics

Specifications of WM8311GEB/V

• Supply Voltage: 5.5V
• No. Of Step-down Dc - Dc Converters: 4
• No. Of Ldo Regulators: 7
• Digital Ic Case Style: BGA
• No. Of Pins: 121
• No. Of Regulated Outputs: 9
• Operating Temperature Range: -40°C To
• Rohs Compliant: Yes
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Pre-Production
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15.12.5 EXTERNAL POWER ENABLE (EPE) CONTROL
The register controls for configuring the External Power Enable (EPE) outputs are defined in Table
41.
Note that the EPE1_ON_SLOT and EPE2_ON_SLOT fields may also be stored in the integrated
OTP memory. See Section 14 for details.
R16486 (4066h)
EPE1 Control
R16487 (4067h)
EPE2 Control
Table 41 External Power Enable (EPE) Control
ADDRESS
15:13
12:11
15:13
12:11
BIT
7:5
7:5
8
8
EPE1_ON_S
LOT [2:0]
EPE1_HWC
_SRC [1:0]
EPE1_HWC
ENA
EPE1_SLP_
SLOT [2:0]
EPE2_ON_S
LOT [2:0]
EPE2_HWC
_SRC [1:0]
EPE2_HWC
ENA
EPE2_SLP_
SLOT [2:0]
LABEL
DEFAULT
000
000
000
000
00
00
0
0
EPE1 ON Slot select
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
EPE1 Hardware Control Source
00 = Disabled
01 = Hardware Control 1
10 = Hardware Control 2
11 = Hardware Control 1 or 2
EPE1 Hardware Control Enable
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 SLEEP Slot select
000 = No action
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
Same as EPE1
Same as EPE1
Same as EPE1
Same as EPE1
PP, December 2009, Rev 3.0
DESCRIPTION
WM8311
85