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WM8904

Ultra Low Power CODEC for Portable Audio Applications

Wolfson Microelectronics plc 

Pre-Production

PIN CONFIGURATION

The WM8904 is supplied in a 32-pin QFN package or in a 36-ball CSP format.

The diagram below shows the 32-pin QFN configuration.

32 31 30 29 28 27 26 25

IRQ/GPIO1 1

24 IN2R

SCLK 2

23 AVDD

SDA 3

22 AGND

DBVDD 4

21 VMIDC

DGND 5

20 MICBIAS

DCVDD 6

19 MICVDD

CPVDD 7

18 LINEOUTR

CPCA 8

17 LINEOUTFB

9 10 11 12 13 14 15 16

The following diagram shows the 36-ball CSP configuration.

WM8904

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PP, Rev 3.3, September 2012

7

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