eKA8564A

USB Audio Controller

10

•

Product Specification (V0.1) 09.08.2006

(This specification is subject to change without further notice)

11 I

MSB -1

-2

-3

+3 +2 +1 LSB

MSB -1

-2

-3

+3 +2 +1 LSB

LRCLK

BCLK

SDATA

31

31

0

0

Left Channel

Right Channel

Fig 11-1 I

MSB -1

-2

-3

+3 +2 +1 LSB

MSB -1

-2

-3

+3 +2 +1 LSB

LRCLK

BCLK

SDATA

31

31

0

0

Left Channel

Right Channel

Fig 11-2 Left Justified Audio Stream Format

MSB -1

-2

-3

+3 +2 +1 LSB

MSB -1

-2

-3

+3 +2 +1 LSB

LRCLK

BCLK

SDATA

31

31

0

0

Left Channel

Right Channel

Fig 11-3 Right Justified Audio Stream Format

The LRCLK and BCLK are derived from MCLK. The frequency ratio

MCLK : LRCLK:BCLK = 256: 1 : 64.

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

based on FS_SEL0 and FS_SEL1 pins status.