EKA8566A 查看數據表（PDF） - ELAN Microelectronics
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EKA8566A Datasheet PDF : 37 Pages
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eKA8566A
USB Audio Controller
12 I2S Interface Signal
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
2
Fig. 12-1 I S 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. 12-2 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. 12-3 Right Justified Audio Stream Format
The LRCLK and BCLK are derived from MCLK. The frequency ratio are as follows:
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.
32 •
Product Specification (V0.1) 10.23.2006
(This specification is subject to change without further notice)
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