WM8352 datasheet(301/336 Pages) WOLFSON

301 / 336 page

Production Data

WM8352

PD, February 2011, Rev 4.4

301

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

6:0

DC4_VIMG[6:0]

000_0110 DC-DC4 Converter output image voltage settings

in 25mv steps.

Maximum output = 3.4V.

110 0110 = 3.4V

110 0010 = 3.3V

101 0110 = 3.0V

100 1110 = 2.8V

……

010 0110 = 1.8V

000 1110 = 1.2V

000 0110 = 1.0V

000 0000 = 0.85V

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

R192 (C0h)

DCDC5

Control

DC5_MODE

DC-DC5 Converter Mode

0 = Boost mode

1 = Switch mode

Reset by state machine.

DC5_HIB_MODE

DC-DC5 Hibernate behaviour:

0 = Continue as in Active state

1 = Disable converter output

Reset by state machine.

9:8

DC5_HIB_TRIG[1:0]

DC-DC5 Hibernate signal select

00 = HIBERNATE register bit

01 = L_PWR1

10 = L_PWR2

11 = L_PWR3

Note that Hibernate is also selected when a GPIO

Hibernate input is asserted.

Reset by state machine.

DC5_ILIM

DC-DC5 peak current limit select

0 = Higher peak current

1 = Lower peak current

Reset by state machine. Default held in metal

mask.

DC5_RMPH

DC-DC5 compensation ramp

{DC5_RMPH, DC5_RMPL}

00 = 20V < VOUT ≤ 30V

01 = 10V < VOUT ≤ 20V

10 = 5V < VOUT ≤ 10V

11 = VOUT ≤ 5V (will be chosen automatically if

DC5_FBSRC=11)

Reset by state machine. Default held in metal

mask.

WM8352 Datasheet(PDF) 301 Page - Wolfson Microelectronics plc

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