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

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WM8734-EV1B

WM8734 Evaluation Board User Handbook

Wolfson Microelectronics plc 

DAC DEFAULT SETUP

WM8734-EV1M

Figure 5 DAC Default Screen Settings

By pressing the DAC default button, the software writes to the device setting the SPDIF_In through

DAC to Line_Out path active in 24-bit, I2S input data format. This is to ease the initial use of the

WM8734 until the user becomes familiar with both device and software operation.

+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 6 WM8734-EV1B Board Setup for DAC Operation

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

accordingly by pressing the DAC button as described above.

w

Rev 1.2 November 2002

9

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