WM8734-EV1B Просмотр технического описания (PDF) - Wolfson Microelectronics plc

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WM8734-EV1B

WM8734 Evaluation Board User Handbook

Wolfson Microelectronics plc 

ADC DEFAULT SETUP

WM8734-EV1M

Figure 7 ADC Default Screen Settings

By pressing the ADC default button, the software writes to the device setting the Line_In through ADC

to SPDIF_Out path active. This is to ease the initial use of the WM8734 until the user becomes

familiar with both device and software operation.

The SPDIF input is

required to provide

clocks for the

WM8734 audio

interface.

+1.42V

to

+3.6V +5V GND

J1

J2 J3

J4

0

SW1

1

OPT_

SPDIF_

IN

SW2

SPDIF_

IN

OPT_

SPDIF_

OUT

SPDIF_

OUT

H1

H2

J9

J14

SW3

1

1

1

J16

J17

J20

PARALLEL PORT

J6

J7

J8 1

1 J10

LLINEIN

RLINEIN

J15

J18

J21

ROUT

LOUT

AGND

+2.7V

to

+3.6V

Figure 8 WM8734-EV1B Board Setup for ADC Operation

Note: Setup for Slave Mode; SPI software control mode. The WM8734 registers must be set

accordingly by pressing the ADC button as described above.

w

Rev 1.2 November 2002

11

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