WM8310GEB/V Wolfson Microelectronics, WM8310GEB/V Datasheet - Page 228

• 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
Register 4063h DC3 SLEEP Control
REGISTER
R16484
(4064h) DC4
Control
Register 4064h DC4 Control
REGISTER
R16485
(4065h) DC4
SLEEP
Control
Register 4065h DC4 SLEEP Control
w
ADDRESS
ADDRESS
ADDRESS
15:14
12:11
BIT
BIT
BIT
6:0
3:2
8
0
8
DC3_SLP_VSE
DC4_RANGE[1
DC4_HWC_SR
DC4_ERR_AC
DC4_SLPENA
DC4_HWC_M
DC4_FBSRC
LABEL
LABEL
LABEL
DE[1:0]
C[1:0]
L[6:0]
T[1:0]
ODE
:0]
DEFAULT
DEFAULT
DEFAULT
000_0000 DC-DC3 SLEEP Voltage select
00
00
01
1
0
0
00 = Forced Continuous Conduction Mode
01 = Continuous / Discontinuous Conduction with
Pulse-Skipping
10 = LDO Mode
11 = Hysteretic Mode
0.85V to 3.4V in 25mV steps
00h = 0.85V
01h = 0.875V
…
65h = 3.375V
66h to 7Fh = 3.4V
DC-DC4 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-DC4 Hardware Control Source
00 = Disabled
01 = Hardware Control 1
10 = Hardware Control 2
11 = Hardware Control 1 or 2
DC-DC4 Hardware Control Operating Mode
0 = DC-DC4 is disabled when Hardware Control Source
is asserted
1 = DC-DC4 is controlled by DC4_ENA
Selects the voltage range for DC-DC4
00 = 20V < VOUT <= 30V
01 = 10V < VOUT <= 20V
10 = 5V < VOUT <= 10V
11 = VOUT <=5V
Protected by security key.
DC-DC4 Voltage Feedback source
0 = ISINK1
1 = ISINK2
DC-DC4 SLEEP Enable
0 = Disabled
1 = Controlled by DC4_ENA
DESCRIPTION
DESCRIPTION
DESCRIPTION
PP, December 2009, Rev 3.0
REFER TO
REFER TO
REFER TO
Pre-Production
228