SSM3582 datasheet(44/59 Pages) AD

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SSM3582

Data Sheet

Rev. 0| Page 44 of 59

Address: 0x09, Reset: 0x11, Name: SAI_CTRL1

Serial interface m ode s elect

1: TDM m odes.

0: Stereo m odes .

BCLK polarity control

1: Us e falling edge to capture SDATA.

0: Us e ris ing edge to capture SDATA.

Serial data form at

1: Left Jus tified Format.

0: I2S (delay by 1) Form at.

TDM s lot width s elect

100: 64 bits .

11: 48 bits .

10: 32 bits .

1: 24 bits .

0: 16 bits .

FSYNC m ode

TDM: Fram e s tart on ris ing edge.

Stereo: high FSYNC is left channel;

TDM: Fram e s tart on falling edge.

Stereo: low FSYNC is left channel;

[7] RESERVED

[0] SAI_MODE (R/W)

[6] BCLK_POL (R/W)

[1] SDATA_FMT (R/W)

[5:3] TDM_BCLKS (R/W)

[2] FSYNC_MODE (R/W)

Table 33. Bit Descriptions for SAI_CTRL1

Bits

Bit Name

Settings

Description

Reset

Access

RESERVED

Reserved.

0x0

BCLK_POL

BCLK Polarity Control

0x0

R/W

Use Rising Edge to Capture SDATA

Use Falling Edge to Capture SDATA

[5:3]

TDM_BCLKS

TDM Slot Width Select

0x2

R/W

16 Bits

24 Bits

32 Bits

48 Bits

100

64 Bits

FSYNC_MODE

FSYNC Mode

0x0

R/W

Stereo: Low FSYNC is Left Channel; TDM: Frame Start on Falling Edge

Stereo: High FSYNC is Left Channel; TDM: Frame Start on Rising Edge

SDATA_FMT

Serial Data Format

0x0

R/W

I2S (Delay by 1) Format

Left Justified Format

SAI_MODE

Serial Interface Mode Select

0x1

R/W

Stereo Modes

TDM Modes

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