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STA335W 数据表(PDF) 21 Page - STMicroelectronics

部件名 STA335W
功能描述  2.0-channel high-efficiency digital audio system
PDF  43 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STA335W 数据表(HTML) 21 Page - STMicroelectronics

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5.2.2
Serial data interface
The STA335W audio serial input was designed to interface with standard digital audio
components and to accept a number of serial data formats. STA335W always acts as slave
when receiving audio input from standard digital audio components. Serial data for two
channels is provided using three inputs: left/right clock LRCKI, serial clock BICKI, and serial
data 1 and 2 SDI12.
The SAI bits (D3 to D0) and the SAIFB bit (D4) are used to specify the serial data format.
The default serial data format is I2S, MSB-first. Available formats are shown in the tables
and figure that follow.
5.2.3
Serial data first bit
Table 18.
Serial data first bit
SAIFB
Format
0
MSB-first
1
LSB-first
Table 19.
Support serial audio input formats for MSB-first (SAIFB = 0)
BICKI
SAI [3:0]
SAIFB
Interface format
32 * fs
0000
0
I2S 15-bit data
0001
0
Left/right-justified 16-bit data
48 * fs
0000
0
I2S 16 to 23-bit data
0001
0
Left-justified 16 to 24-bit data
0010
0
Right-justified 24-bit data
0110
0
Right-justified 20-bit data
1010
0
Right-justified 18-bit data
1110
0
Right-justified 16-bit data
64 * fs
0000
0
I2S 16 to 24-bit data
0001
0
Left-justified 16 to 24-bit data
0010
0
Right-justified 24-bit data
0110
0
Right-justified 20-bit data
1010
0
Right-justified 18-bit data
1110
0
Right-justified 16-bit data



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