EKA8561A View Datasheet(PDF) - ELAN Microelectronics

Part Name

Description

Manufacturer

EKA8561A

USB Audio Controller

ELAN Microelectronics 

10 I2S Interface Signal

LRCLK

0

BCLK

Left Channel

31 0

eKA8561A

USB Audio Controller

Right Channel

31

SDATA

MSB -1 -2 -3

+3 +2 +1 LSB

MSB -1 -2 -3

+3 +2 +1 LSB

Fig 10-1 I 2S Justified Audio Stream Format

LRCLK

0

BCLK

Left Channel

31 0

Right Channel

31

SDATA

MSB -1 -2 -3

+3 +2 +1 LSB

MSB -1 -2 -3

+3 +2 +1 LSB

Fig 10-2 Left Justified Audio Stream Format

LRCLK

Left Channel

Right Channel

0

31 0

31

BCLK

SDATA

MSB -1 -2 -3

+3 +2 +1 LSB

MSB -1 -2 -3

+3 +2 +1 LSB

Fig 10-3 Right Justified Audio Stream Format

The LRCLK and BCLK are derived from MCLK.

The frequency ratio is MCLK: LRCLK: BCLK = 256: 1: 64

The frequency of LRCLK equals the sampling rate of 48kHz, 44.1kHz, 32kHz or 8kHz

based on FS_SEL0 and FS_SEL1 pins status.

Product Specification (V0.1) 04.21.2006

•9

(This specification is subject to change without further notice)

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