STA321MPL View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
STA321MPL Datasheet PDF : 50 Pages
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STA321MP
Registers
7.2.2 Configuration register C (0x02) - serial output formats
D7
D6
D5
D4
D3
D2
D1
D0
SAOFB
0
SAO3
0
SAO2
0
SAIO
0
SAO0
0
Bit RW RST
Name
Description
0
RW
0
1
RW
0
2
RW
0
3
RW
0
SAO0
SAO1
SAO2
SAO3
Serial audio output interface format: determines the
interface format of the output serial digital audio
interface.
The STA321MP features a serial audio output interface that consists of 8 channels.
The serial audio output acts as a master with an output sampling frequency of 176.4 kHz.
The output serial format can be selected independently from the input format and is done
via the SAO and SAOFB bits.
Bit RW RST
Name
4
RW
0
SAOFB
Description
Determines MSB or LSB first for all SAO formats:
0: MSB first
1: LSB first
BICKI = BICKO
32 * fs
48 * fs
64 * fs
SAO[3:0]
0111
1111
1110
0001
1010
1011
1100
1101
0000
0001
0010
0011
0100
0101
Interface data format
I2S data
Left/right-justified 16-bit data
I2S data
Left-justified data
Right-justified 24-bit data
Right-justified 20-bit data
Right-justified 18-bit data
Right-justified 16-bit data
I2S data
Left-justified data
Right-justified 24-bit data
Right-justified 20-bit data
Right-justified 18-bit data
Right-justified 16-bit data
Doc ID 022647 Rev 1
23/50
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