WM8803 datasheet(4/45 Pages) WOLFSON

4 / 45 page

WM8803

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PP Rev 1.1 September 2003

PIN DESCRIPTION

NAME

TYPE

DESCRIPTION

XOUT

Analogue Output

Oscillation amplifier circuit output pin

ERROR

Digital Output

PLL lock error and data error output pin

Digital Input

System reset and low power mode control input pin (5V tolerant)

Digital Input

Non connection

Digital Input

Micro-controller interface: chip enable input pin (5V tolerant)

Digital Input

Micro-controller interface: serial clock input pin (5V tolerant)

Digital Input

Micro-controller interface: write data input pin (5V tolerant)

Digital Output

Micro-controller interface: read data output pin

E / INT

Digital Output

Pre-emphasis detection or micro-controller interface interrupt output pin

AUDIO

Digital Output

Channel status bit 1 non-PCM data detection output pin

UGPI

Digital Output

User general purpose interface output pin

RXIN

Digital Input

Digital data input pin (5V tolerant)

DVDD

Supply

Digital system power supply

AVDD

Supply

Analog system power supply

LPF

Analogue Output

PLL loop filter connection pin

No connection

AGND

Supply

Analog system ground

DGND

Supply

Digital system ground

CLKOUT

Digital Output

System clock output pin

BCLK

Digital Output

64fs clock output pin

LRCLK

Digital Output

Fs clock output pin

SDATO

Digital Output

Demodulated data output pin

SDIN

Digital Input

Serial digital data input pin (5V tolerant)

XIN

Digital Input

Oscillation amplifier element connection or external clock input pin

Notes:

Micro-controller register output or clock switching transition period signal.

128fs, 256fs, 384fs, 512fs, or oscillator amplifier outputs

Other than I

2S mode;

Low: right channel, High: left channel

2S mode;

Low: left channel, High: right channel

I/O voltage handling: I or O pins: –0.3 to +3.6V, except annotated pins: –0.3 to +5.5V

To prevent logic circuit latch-up, all power supply levels must be applied or removed simultaneously.

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