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LRCK

Right-Channel

Left-Channel

BCK

DOUT

24

22 23 24

3

2

1

MSB

LSB

22 23 24

3

2

1

MSB

LSB

LRCK

Right-Channel

Left-Channel

BCK

DOUT

20

18 19 20

3

2

1

MSB

LSB

18 19 20

3

2

1

MSB

LSB

LRCK

Right-Channel

Left-Channel

BCK

DOUT

22 23 24

3

2

1

MSB

LSB

22 23 24

3

2

1

MSB

LSB

BCK

LRCK

Right-Channel

Left-Channel

DOUT

1

22 23 24

3

2

1

MSB

LSB

22 23 24

3

2

1

MSB

LSB

24-Bit, MSB-First, Left-Justified

FORMAT 0: FMT[1:0] = 00

24-Bit, MSB-First, I2S

FORMAT 1: FMT[1:0] = 01

24-Bit, MSB-First, Right-Justified

FORMAT 2: FMT[1:0] = 10

20-Bit, MSB-First, Right-Justified

FORMAT 3: FMT[1:0] = 11

T0016-11

PCM1803

SLES125A – NOVEMBER 2004 – REVISED AUGUST 2006

Table 3. Data Formats

FORMAT

FMT1

FMT0

DESCRIPTION

0

0

0

Left-justified, 24-bit

1

0

1

I2S, 24-bit

2

1

0

Right-justified, 24-bit

3

1

1

Right-justified, 20-bit

Figure 19. Audio Data Formats (LRCK and BCK Work as Inputs in Slave Mode and as Outputs in Master

Mode)

13

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