WM8321 datasheet(80/253 Pages) WOLFSON

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WM8321

Production Data

PD, February 2012, Rev 4.0

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

9:8

LDO6_HWC

_MODE

Same as LDO1

LDO6_FLT

Same as LDO1

LDO6_SWI

Same as LDO1

LDO6_LP_M

ODE

Same as LDO1

R16504 (4078h)

LDO6 ON

Control

15:13

LDO6_ON_S

LOT [2:0]

000

Same as LDO1

LDO6_ON_

MODE

Same as LDO1

4:0

LDO6_ON_V

SEL [4:0]

00000

Same as LDO1

R16505 (4079h)

LDO6 SLEEP

Control

15:13

LDO6_SLP_

SLOT [2:0]

000

Same as LDO1

LDO6_SLP_

MODE

Same as LDO1

4:0

LDO6_SLP_

VSEL [4:0]

00000

Same as LDO1

Table 34 LDO Regulators 1-6 Control

The register controls for configuring the LDO Regulators 7-10 are defined in Table 35.

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

BIT

LABEL

DEFAULT

DESCRIPTION

R16506 (407Ah)

LDO7 Control

15:14

LDO7_ERR_

ACT [1:0]

LDO7 Error Action (Undervoltage)

00 = Ignore

01 = Shut down regulator

10 = Shut down system (Device

Reset)

11 = Reserved

Note that an Interrupt is always

raised.

12:11

LDO7_HWC

_SRC [1:0]

LDO7 Hardware Control Source

00 = Disabled

01 = Hardware Control 1

10 = Hardware Control 2

11 = Hardware Control 1 or 2

LDO7_HWC

_VSEL

LDO7 Hardware Control Voltage

select

0 = Set by LDO7_ON_VSEL

1 = Set by LDO7_SLP_VSEL

9:8

LDO7_HWC

_MODE

LDO7 Hardware Control Operating

Mode

00 = Low Power mode

01 = Turn converter off

10 = Low Power mode

11 = Set by LDO7_ON_MODE

LDO7_FLT

LDO7 Output float

0 = LDO7 output discharged when

disabled

1 = LDO7 output floating when

disabled

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