Cirrus-logic CS5344 Instrukcja Użytkownika Pobierz pdf (Strona 3)

DS687F4 3

CS5343/4

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1. PIN DESCRIPTIONS

Pin Name Pin # Pin Description

SDOUT 1

Serial Audio Data Output (Output) - Output for two’s complement serial audio data. Also selects Master

or Slave Mode; See Section 4.1 on page 12 for details.

SCLK 2 Serial Clock (Input/Output) - Serial clock for the serial audio interface.

LRCK 3

Left Right Clock (Input/Output) - Determines which channel, Left or Right, is currently active on the

serial audio data line.

MCLK 4 Master Clock (Input) - Clock source for the delta-sigma modulator and digital filters.

FILT+ 5 Positive Voltage Reference (Output) - Positive reference voltage for the internal sampling circuits.

AINL

AINR

Analog Input (Input) - The full-scale analog input level is specified in the Analog Characteristics specifi-

cation table.

VQ 7 Quiescent Voltage (Output) - Filter connection for the internal quiescent reference voltage.

GND 9 Ground (Input) - Ground reference. Must be connected to analog ground.

VA 10 Power (Input) - Positive power supply for the digital and analog sections.

SDOUT

SCLK

LRCK

MCLK

FILT+

GND

AINR

AINL

1 2 3 4 5 6 7 8 ... 20 21

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Cirrus-logic CS5344 Instrukcja Użytkownika Strona 3