WM8310GEB/V Wolfson Microelectronics, WM8310GEB/V Datasheet - Page 78

• 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
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Table 36 DC-DC (Buck) Converter Control
15.12.3 DC-DC (BOOST) CONVERTER CONTROL
The register controls for configuring the DC-DC4 (Boost) Converter are defined in Table 37.
Note that the DC4_RANGE control register is locked by the WM8310 User Key. This register can
only be changed by writing the appropriate code to the Security register, as described in Section 12.4
for further details.
R16484 (4064h)
DC4 Control
R16485 (4065h)
DC4 SLEEP
Control
Table 37 DC-DC (Boost) Converter Control
15.12.4 LDO REGULATOR CONTROL
The register controls for configuring the LDO Regulators 1-6 are defined in Table 38.
Note that the LDOn_ON_SLOT and LDOn_ON_VSEL fields may also be stored in the integrated
OTP memory. See Section 14 for details.
ADDRESS
ADDRESS
15:14
12:11
BIT
BIT
6:0
3:2
8
0
8
DC3_SLP_V
SEL [6:0]
DC4_ERR_A
CT [1:0]
DC4_HWC_
SRC[1:0]
DC4_HWC_
MODE
DC4_RANG
E[1:0]
DC4_FBSRC
DC4_SLPEN
A
LABEL
LABEL
DEFAULT
DEFAULT
000_0000
00
00
01
0
0
0
DC-DC3 SLEEP Voltage select
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 user key
DC-DC4 Voltage Feedback source
0 = ISINK1
1 = ISINK2
DC-DC4 SLEEP Enable
0 = Disabled
1 = Controlled by DC4_ENA
PP, December 2009, Rev 3.0
DESCRIPTION
DESCRIPTION
Pre-Production
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