WM8581 데이터 시트보기 (PDF) - Wolfson Microelectronics plc

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WM8581

Multichannel CODEC with S/PDIF Transceiver

Wolfson Microelectronics plc 

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WM8581

PIN FUNCTION

PAIFTX_BCLK

ADCMCLK

SAIF_DIN

SAIF_DOUT

SAIF_BCLK

SAIF_LRCLK

SPDIFIN2/3/4

GPO1 - GPO7

DR1/2/3/4

ALLPD

C

SFRM_CLK

TYPE

Digital Input/Output

Digital Input

Digital Input

Digital Output

Digital Input/Output

Digital Input/Output

Digital Input

Digital Output

Digital Input

Digital Input

Digital Output

Digital Output

192BCLK

Digital Output

Table 2 Multi-Function Pin Description

DESCRIPTION

Primary Audio Interface Transmitter (PAIFTX) Bit Clock

Master ADC clock; 256fs, 384fs, 512fs ,786fs, 1024fs or 1152fs

Secondary Audio Interface (SAIF) Receiver data input

Secondary Audio Interface (SAIF) Transmitter data output

Secondary Audio Interface (SAIF) Bit Clock

Secondary Audio Interface (SAIF) Left/Right Word Clock

S/PDIF Receiver Input

General Purpose Output

Internal Digital Routing Configuration in Hardware Mode

Chip Powerdown in Hardware Mode

Recovered channel-bit for current S/PDIF sub-frame

Indicates current S/PDIF sub-frame:

1 = Sub-frame A

0 = Sub-frame B

Indicates start of S/PDIF 192-frame block. High for duration of frame 0.

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PP Rev 1.0 March 2006

7

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