WM8860 datasheet(32/184 Pages) WOLFSON

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WM8860

Pre-Production

PP, April 2011, Rev 3.2

NODE LIST

A summary of the capabilities of each node is given in Table 3 below:

NID

NAME

WIDGET TYPE

DESCRIPTION

00h

Root

Provides Vendor ID, Device ID, and NID of the AFG.

01h

AFG

Audio Function Group

Provides the number of Widget Nodes, and NID of first

Widget Node. Describes CODEC Audio capabilities.

02h

ADC1

Audio Input Converter

Supports sample rates from 8kHz to 96kHz, and sample

sizes from 16-bits to 24-bits.

03h

MIC1

Audio Input Converter

Supports sample rates from 8kHz to 48kHz, and sample

sizes from 16-bits to 24-bits.

04h

S/PDIF Tx 1

Audio Output Converter

Supports sample rates from 32kHz to 192kHz, and

sample sizes from 16-bits to 32-bits. Includes a fully

asynchronous SRC.

05h

Reserved

06h

DAC1

Audio Output Converter

Supports sample rates from 8kHz to 192kHz, and

sample sizes from 16-bits to 24-bits. Supports digital

attenuation from 0dB to -63.5 dB in 0.5 dB steps.

07h

DAC2

Audio Output Converter

As DAC1.

08h

Reserved

09h

MIC1 Mux

Audio Selector

Selects between Digital Mic (Port-D), and Analogue Mic

(Port-B).

0Ah

PGA1

Audio Selector

Supports a gain range of -12dB to +12 dB in 0.5dB

steps.

0Bh

PGA2

Selector

As PGA1.

0Ch

Port-E

Pin Complex

Line Input (VIN1) with presence detection.

0Dh

Port-B

Pin Complex

Analogue Mic Input (VIN2) with pre-amplifier (0dB,

+10dB, +20dB, +30dB), configurable VREF, presence

detection and custom impedance sensing scheme.

0Eh

Port-D

Pin Complex

Digital Mic Input (DMIC1) with gain (-12dB to +32dB in

0.5dB steps).

0Fh

S/PDIF Out

Pin Complex

S/PDIF Output with presence detection.

10h

Reserved

11h

Port-A

Pin Complex

Ground-referenced headphone/line out (VOUT1) with

presence detection.

12h

Port-G

Pin Complex

Differential line out (VOUT2) with presence detection.

13h

Reserved

14h

Beep

Beep Generator

Generates a configurable tone that can be muxed into

DAC audio paths. Supports a gain range 0dB to -24dB in

6dB steps.

15h

MIC2

Audio Input Converter

Supports sample rates from 8kHz to 48kHz, and sample

sizes from 16-bits to 24-bits.

16h

Port-H

Pin Complex

Digital Mic Input (DMIC2) with gain (-12 dB to 32dB in

0.5 dB steps). Output port for S/PDIF Tx 2.

17h

Reserved

Table 3 Node List

Notes:

All Widget Nodes are as defined in the HDA specification; there are no vendor defined widgets.

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