WM8501

Production Data

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PD, Rev 4.2, July 2009

4

PIN DESCRIPTION

PIN

NAME

TYPE

DESCRIPTION

1

LRCLK

Digital input

Sample rate clock input

2

DIN

Digital input

Serial audio data input

3

BCLK

Digital input

Bit clock input

4

ENABLE

Digital input

Enable input – 0 = powered down, 1 = enabled

5

VMID

Analogue output

Analogue internal reference

6

ROUT

Analogue output

Right channel DAC output

7

AGND

Supply

Ground reference for analog circuits and substrate connection

8

AVDD

Supply

Positive supply for analog circuits

9

LOUT

Analogue output

Left channel DAC output

10

DGND

Digital Supply

Digital ground supply

11

DVDD

Digital Supply

Digital positive supply

12

DEEMPH

Digital input

De-emphasis select, Internal pull down

High = de-emphasis ON

Low = de-emphasis OFF

13

FORMAT

Digital input

Data input format select, Internal pull up

Low = 16-bit right justified or DSP (Mode B)

14

MCLK

Digital input

Master clock input

Note:

1.

Digital input pins have Schmitt trigger input buffers.