STA323W datasheet(38/71 Pages) STMICROELECTRONICS

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STA323W

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Table 22. lists the serial audio input formats supported by STA323W when

BICKI = 32 * fs, 48 * fs or 64 * fs, where the sampling rate fs = 32, 44.1, 48, 88.2, 96, 176.4

or 192 kHz.

Note:

Serial input and output formats are specified distinctly.

Table 21.

First bit selection table

SAIFB

Format

MSB first

LSB first

Table 22.

Supported serial audio input formats

BICKI

SAI (3...0)

SAIFB

Interface format

32fs

1100

I2S 15-bit data

1110

Left/right-justified 16-bit data

48fs

0100

I2S 23-bit data

0100

I2S 20-bit data

1000

I2S 18-bit data

0100

MSB first I2S 16-bit data

1100

LSB first I2S 16-bit data

0001

Left-justified 24-bit data

0101

Left-justified 20-bit data

1001

Left-justified 18-bit data

1101

Left-justified 16-bit data

0010

Right-justified 24-bit data

0110

Right-justified 20-bit data

1010

Right-justified 18-bit data

1110

Right-justified 16-bit data

64fs

0000

I2S 24-bit data

0100

I2S 20-bit data

1000

I2S 18-bit data

0000

MSB first I2S 16-bit data

1100

LSB first I2S 16-bit data

0001

Left-justified 24-bit data

0101

Left-justified 20-bit data

1001

Left-justified 18-bit data

1101

Left-justified 16-bit data

0010

Right-justified 24-bit data

0110

Right-justified 20-bit data

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