CS47L35 datasheet(121/300 Pages) CIRRUS

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DS1085F3

121

CS47L35

4.7 Digital Audio Interface Control

The AIF1 data control fields are described in Table 4-44.

The AIF2 data control fields are described in Table 4-45.

Table 4-44. AIF1 Digital Audio Data Control

Bit

Label

Default

Description

R1284 (0x0504)

AIF1_Format

2:0

AIF1_FMT[2:0]

000

AIF1 Audio Interface Format

000 = DSP Mode A

001 = DSP Mode B

010 = I2S mode

011 = Left-Justified mode

Other codes are reserved.

R1287 (0x0507)

AIF1_Frame_Ctrl_

13:8 AIF1TX_WL[5:0]

0x18

AIF1 TX Word Length (Number of valid data bits per slot)

Integer (LSB = 1); Valid from 16 to 32

7:0

AIF1TX_SLOT_

LEN[7:0]

0x18

AIF1 TX Slot Length (Number of BCLK cycles per slot)

Integer (LSB = 1); Valid from 16 to 128

R1288 (0x0508)

AIF1_Frame_Ctrl_

13:8 AIF1RX_WL[5:0]

0x18

AIF1 RX Word Length (Number of valid data bits per slot)

Integer (LSB = 1); Valid from 16 to 32

7:0

AIF1RX_SLOT_

LEN[7:0]

0x18

AIF1 RX Slot Length (Number of BCLK cycles per slot)

Integer (LSB = 1); Valid from 16 to 128

R1289 (0x0509)

R1294 (0x050E)

5:0

AIF1TX1_SLOT[5:0]

0x0

AIF1 TX Channel n Slot position

Defines the TX time slot position of the Channel n audio sample

Integer (LSB=1); Valid from 0 to 63

5:0

AIF1TX2_SLOT[5:0]

0x1

5:0

AIF1TX3_SLOT[5:0]

0x2

5:0

AIF1TX4_SLOT[5:0]

0x3

5:0

AIF1TX5_SLOT[5:0]

0x4

5:0

AIF1TX6_SLOT[5:0]

0x5

R1297 (0x0511)

R1302 (0x0516)

5:0

AIF1RX1_SLOT[5:0]

0x0

AIF1 RX Channel n Slot position

Defines the RX time slot position of the Channel n audio sample

Integer (LSB=1); Valid from 0 to 63

5:0

AIF1RX2_SLOT[5:0]

0x1

5:0

AIF1RX3_SLOT[5:0]

0x2

5:0

AIF1RX4_SLOT[5:0]

0x3

5:0

AIF1RX5_SLOT[5:0]

0x4

5:0

AIF1RX6_SLOT[5:0]

0x5

Table 4-45. AIF2 Digital Audio Data Control

Label

Default

Description

R1348 (0x0544)

AIF2_Format

2:0 AIF2_FMT[2:0]

000

AIF2 Audio Interface Format

000 = DSP Mode A

001 = DSP Mode B

010 = I2S mode

011 = Left-Justified mode

Other codes are reserved.

R1351 (0x0547)

AIF2_Frame_Ctrl_

13:8 AIF2TX_WL[5:0]

0x18 AIF2 TX Word Length

(Number of valid data bits per slot)

Integer (LSB = 1); Valid from 16 to 32

7:0 AIF2TX_SLOT_

LEN[7:0]

0x18 AIF2 TX Slot Length

(Number of BCLK cycles per slot)

Integer (LSB = 1); Valid from 16 to 128

R1352 (0x0548)

AIF2_Frame_Ctrl_

13:8 AIF2RX_WL[5:0]

0x18 AIF2 RX Word Length

(Number of valid data bits per slot)

Integer (LSB = 1); Valid from 16 to 32

7:0 AIF2RX_SLOT_

LEN[7:0]

0x18 AIF2 RX Slot Length

(Number of BCLK cycles per slot)

Integer (LSB = 1); Valid from 16 to 128

R1353 (0x0549)

AIF2_Frame_Ctrl_

5:0 AIF2TX1_

SLOT[5:0]

0x0

AIF2 TX Channel 1 Slot position

Defines the TX time slot position of the Channel 1 audio sample

Integer (LSB=1); Valid from 0 to 63

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