WM9090ECSSLASHR datasheet(42/81 Pages) WOLFSON

Nome de Peças	WM9090ECS/R

Descrição Electrónicos	Ultra Low Power Audio Subsystem

PDF	81 Pages

Scroll/Zoom	100%

Fabricante Electrônico	WOLFSON [Wolfson Microelectronics plc]

Página de início	http://www.wolfsonmicro.com

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WM9090

Production Data

PD, November 2010, Rev 4.1

Generic Shut-Down

The Generic Shut-Down sequence can be initiated by writing 0110h to Register 73 (49h). This single

operation starts the Control Write Sequencer at Index Address 16 (10h) and executes the sequence

defined in Table 22.

This sequence takes approximately 2.8ms to run.

WSEQ

INDEX

ADDRESS

WIDTH

START

DATA

DELAY

EOS

DESCRIPTION

16 (10h)

R96 (60h)

7 bits

Bit 1

00h

HPOUT1R_DLY = 0

HPOUT1R_OUTP = 0

HPOUT1R_RMV_SHORT = 0

HPOUT1L_DLY = 0

HPOUT1L_OUTP = 0

HPOUT1L_RMV_SHORT = 0

(delay = 0.5ms)

17 (11h)

R84 (54h)

2 bits

Bit 0

00h

DCS_ENA_CHAN_0 = 0

DCS_ENA_CHAN_1 = 0

(delay = 0.5ms)

18 (12h)

R1 (01h)

2 bits

Bit 8

00h

HPOUT1R_ENA = 0

HPOUT1L_ENA = 0

(delay = 0.5ms)

19 (13h)

R76 (4Ch)

1 bit

Bit 15

00h

CP_ENA = 0

(delay = 0.5ms)

20 (14h)

R1 (01h)

2 bits

Bit 12

00h

SPKOUTL_ENA = 0

(delay = 0.5ms)

Table 22 Generic Shut-Down Default Sequence

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