WM8310GEB/V Wolfson Microelectronics, WM8310GEB/V Datasheet - Page 79

• Manufacturer Part Number: WM8310GEB/V
• Description: POWER MANAGEMENT SUBSYSTEM, 169BGA
• Manufacturer: Wolfson Microelectronics

Specifications of WM8310GEB/V

• Supply Voltage: 7V
• No. Of Step-down Dc - Dc Converters: 4
• No. Of Ldo Regulators: 11
• Digital Ic Case Style: BGA
• No. Of Pins: 169
• No. Of Regulated Outputs: 13
• Operating Temperature Range: -40°C To
• Rohs Compliant: Yes
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Pre-Production
w
R16488 (4068h)
LDO1 Control
R16489 (4069h)
LDO1 ON
Control
ADDRESS
15:14
12:11
15:13
BIT
9:8
4:0
10
7
6
0
8
LDO1_ERR_
ACT [1:0]
LDO1_HWC
_SRC [1:0]
LDO1_HWC
_VSEL
LDO1_HWC
_MODE
LDO1_FLT
LDO1_SWI
LDO1_LP_M
ODE
LDO1_ON_S
LOT [2:0]
LDO1_ON_
MODE
LDO1_ON_V
SEL [4:0]
LABEL
DEFAULT
00000
000
00
00
10
0
0
0
0
0
LDO1 Error Action (Undervoltage)
00 = Ignore
01 = Shut down regulator
10 = Shut down system (Device Reset)
11 = Reserved
Note that an Interrupt is always raised.
LDO1 Hardware Control Source
00 = Disabled
01 = Hardware Control 1
10 = Hardware Control 2
11 = Hardware Control 1 or 2
LDO1 Hardware Control Voltage select
0 = Set by LDO1_ON_VSEL
1 = Set by LDO1_SLP_VSEL
LDO1 Hardware Control Operating
Mode
00 = Low Power mode
01 = Turn converter off
10 = Low Power mode
11 = Set by LDO1_ON_MODE
LDO1 Output float
0 = LDO1 output discharged when
disabled
1 = LDO1 output floating when disabled
LDO1 Switch Mode
0 = LDO mode
1 = Switch mode
LDO1 Low Power Mode Select
0 = 50mA (reduced quiescent current)
1 = 20mA (minimum quiescent current)
Selects which Low Power mode is used
in ON, SLEEP, or under HWC modes.
LDO1 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
LDO1 ON Operating Mode
0 = Normal mode
1 = Low Power mode
LDO1 ON Voltage select
0.9V to 1.6V in 50mV steps
1.7V to 3.3V in 100mV steps
00h = 0.90V
01h = 0.95V
…
0Eh = 1.60V
0Fh = 1.70V
…
1Eh = 3.20V
1Fh = 3.30V
PP, December 2009, Rev 3.0
DESCRIPTION
WM8310
79