WM8310GEB/V Wolfson Microelectronics, WM8310GEB/V Datasheet - Page 226

• 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

WM8310
REGISTER
R16480
(4060h) DC3
Control 1
Register 4060h DC3 Control 1
REGISTER
R16481
(4061h) DC3
Control 2
w
ADDRESS
ADDRESS
15:14
12:11
BIT
BIT
5:4
3:2
1:0
9:8
12
10
7
7
DC3_STNBY_L
IM [1:0]
DC3_HWC_SR
DC3_HWC_VS
DC3_CAP[1:0]
DC3_ERR_AC
DC3_SOFT_S
DC3_HWC_M
DC3_PHASE
DC3_OVP
TART[1:0]
DC3_FLT
ODE[1:0]
LABEL
LABEL
C[1:0]
T[1:0]
EL
DEFAULT
DEFAULT
01
01
00
00
00
11
0
0
0
0
DC-DC3 Clock Phase Control
0 = Normal
1 = Inverted
DC-DC3 Output float
0 = DC-DC3 output discharged when disabled
1 = DC-DC3 output floating when disabled
DC-DC3 Soft-Start Control
(Current limiting is stepped through 4 intermediate
steps.)
00 = Immediate start-up
01 = 4 x 400us (1600us total)
10 = 4 x 4ms (16ms total)
11 = 4 x 40ms (160ms total)
DC-DC3 Current Limit
Sets the maximum DC output current in Hysteretic
Mode
00 = 100mA
01 = 200mA
10 = 400mA
11 = 800mA
Protected by security key.
DC-DC3 Output Capacitor
00 = 10uF to 20uF
01 = 10uF to 20uF
10 = 22uF to 45uF
11 = 47uF to 100uF
DC-DC3 Error Action (Undervoltage)
00 = Ignore
01 = Shut down converter
10 = Shut down system (Device Reset)
11 = Reserved
Note that an Interrupt is always raised.
DC-DC3 Hardware Control Source
00 = Disabled
01 = Hardware Control 1
10 = Hardware Control 2
11 = Hardware Control 1 or 2
DC-DC3 Hardware Control Voltage select
0 = Set by DC3_ON_VSEL
1 = Set by DC3_SLP_VSEL
DC-DC3 Hardware Control Operating Mode
00 = Forced Continuous Conduction Mode
01 = Disabled
10 = LDO Mode
11 = Hysteretic Mode
DC-DC3 Overvoltage Protection
0 = Disabled
1 = Enabled
DESCRIPTION
DESCRIPTION
PP, December 2009, Rev 3.0
REFER TO
REFER TO
Pre-Production
226