WM8716EDS データシートの表示（PDF） - Wolfson Microelectronics plc

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WM8716EDS

High Performance 24-bit, 192kHz Stereo DAC

Wolfson Microelectronics plc 

Production Data

AUDIO DATA INPUT FORMAT

I2S

IW1

IW0

(REG3, B0) (REG2, B4) (REG2, B3)

0

0

0

0

0

1

0

1

0

0

1

1

1

0

0

1

0

1

1

1

0

1

1

1

Table 11 Audio Data Input Format

AUDIO INTERFACE

16-bit standard right justified

20-bit standard right justified

24-bit standard right justified

24-bit left justified (MSB first)

16-bit I2S

24-bit I2S

20-bit I2S

20-bit left justified (MSB first)

WM8716

POLARITY OF LR INPUT CLOCK

The left channel data for a particular sample instant is always input first, then the right channel data.

LRP

(REG3, B1)

L

LR High – left channel

LR Low – right channel

H

LR Low – left channel

LR High – right channel

Table 12 Polarity of LR Input Clock

INDIVIDUAL OR COMMON ATTENUTATION CONTROL

ATC

(REG3, B2)

L

Individual control

H

Common control from Reg0

Table 13 Individual or Common Attenuation Control

DIGITAL FILTER ROLL-OFF SELECTION

SRO

(REG3, B3)

L

Sharp

H

Slow

Table 14 Digital Filter Roll-Off Selection

ANALOGUE OUTPUT POLARITY REVERSAL

REV

(REG3, B4)

L

Normal

H

Inverted

Table 15 Analogue Output Polarity Reversal

CLKO OUTPUT FREQUENCY

CKO

(REG3, B5)

L

H

XTI

XTI/2

Table 16 CLKO Output Frequency

WOLFSON MICROELECTRONICS LTD

PD Rev 3.1 April 2001

13

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