WM8850 View Datasheet(PDF) - Wolfson Microelectronics plc

Part Name

Description

View to exact match

WM8850

Multi-Channel High Definition Audio CODEC

Wolfson Microelectronics plc 

WM8850

Pre-Production

DEVICE DESCRIPTION

This section of the datasheet provides detailed information on all the major paths through the device,

along with the nodes used and the vendor-specific verbs. For those verbs implemented in the

WM8850 which are as defined in the High Definition Audio Specification Revision 1.0 there is no

detailed text describing their use in this datasheet.

The functions covered in this section of the datasheet, and the WM8850 nodes associated with each,

are listed in Table 5.

FUNCTION

Stereo Analogue Line Record

Stereo Analogue Microphone Record

Digital Microphone Record

Stereo Headphone Playback

Stereo Line Playback

S/PDIF Receive

S/PDIF Transmit

Ancillary Functions

(Beep generator,

VMID control,

GPIO2 automatic control mode,

Unsolicited response priority control)

Table 5 WM8850 Device Functions

NODE NAME

Port-E

PGA1

ADC1

Port-B

PGA2

MIC1 Mux

MIC1

Port-D

MIC1 Mux

MIC1

Port-H

MIC2

DAC1

Port-A

DAC2

Port-G

DAC3

Port-F

S/PDIF In

S/PDIF Rx

S/PDIF Tx 1

S/PDIF Out

S/PDIF Tx 2

Port-H

Beep

AFG

NODE ID (NID)

0Ch

0Ah

02h

0Dh

0Bh

09h

03h

0Eh

09h

03h

16h

15h

06h

11h

07h

12h

08h

13h

10h

05h

04h

0Fh

17h

16h

14h

01h

w

PP, April 2011, Rev 3.2

38

Share Link: