WM8776EFT datasheet(42/55 Pages) WOLFSON

42 / 55 page

WM8776

Product Preview

PP Rev 1.91 June 2004

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

1:0

DACFMT[1:0]

DAC Interface format select

00: right justified mode

01: left justified mode

10: I

2S mode

11: DSP mode

DACLRC Polarity or DSP Early/Late mode select

DACLRP

Left Justified / Right Justified /

0: Standard DACLRC Polarity

1: Inverted DACLRC Polarity

DSP Mode

0: Early Mode

1: Late Mode

DACBCP

DAC BITCLK Polarity

0: Normal – DIN and DACLRC sampled on rising edge of

DACBCLK.

1: Inverted - DIN and DACLRC sampled on falling edge of

DACBCLK.

R10 (0Ah)

0001010

DAC Interface

Control

5:4

DACWL[1:0]

DAC Input Word Length

00: 16-bit Mode

01: 20-bit Mode

10: 24-bit Mode

11: 32-bit Mode (not supported in right justified mode)

1:0

ADCFMT[1:0]

ADC Interface format select

00: right justified mode

01: left justified mode

10: I

2S mode

11: DSP mode

ADCLRC Polarity or DSP Early/Late mode select

ADCLRP

Left Justified / Right Justified /

0: Standard ADCLRC Polarity

1: Inverted ADCLRC Polarity

DSP Mode

0: Early Mode

1: Late Mode

ADCBCP

ADC BITCLK Polarity

0: Normal - ADCLRC sampled on rising edge of

ADCBCLK; DOUT changes on falling edge of ADCBCLK.

1: Inverted - ADCLRC sampled on falling edge of

ADCBCLK; DOUT changes on rising edge of ADCBCLK.

5:4

ADCWL[1:0]

ADC Input Word Length

00: 16-bit Mode

01: 20-bit Mode

10: 24-bit Mode

11: 32-bit Mode (not supported in right justified mode)

ADCMCLK

ADCMCLK Polarity:

0: non-inverted

1: inverted

R11 (0Bh)

0001011

ADC Interface

Control

ADCHPD

ADC Highpass Filter Disable:

0: Highpass Filter enabled

1: Highpass Filter disabled

WM8776EFT Datasheet(PDF) 42 Page - Wolfson Microelectronics plc

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