EKA8562A
USB Audio Controller
12 I2S Interface Signal
LRCLK
Left Channel
Right Channel
0
31
0
31
BCLK
MSB -1 -2 -3
+3 +2 +1 LSB
MSB -1 -2 -3
+3 +2 +1 LSB
SDATA
Fig 12-1 I 2S Justified Audio Stream Format
LRCLK
BCLK
Right Channel
Left Channel
0
31
0
31
MSB -1 -2 -3
+3 +2 +1 LSB
MSB -1 -2 -3
+3 +2 +1 LSB
SDATA
Fig 12-2 Left Justified Audio Stream Format
LRCLK
BCLK
Right Channel
Left Channel
0
31
0
31
MSB -1 -2 -3
+3 +2 +1 LSB
MSB -1 -2 -3
+3 +2 +1 LSB
SDATA
Fig 12-3 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.
12 •
Product Specification (V0.1) 04.24.2006
(This specification is subject to change without further notice)
ELAN [ ELAN MICROELECTRONICS CORP ]
