ML22Q533 datasheet(134/178 Pages) ROHM

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FEDL22Q53X-02

ML22Q53X

 SAICH command

・ Command

1st byte

LC1

LC0

LEN

RC1

RC0

REN

2nd byte

The SAICH command sets the operation of the serial audio interface (SAI) and the channels on the Lch and Rch sides. Set

these bits when channels other than SAIs are not playing back (BUSYBn is "1").

LEN and REN set the operation of the Lch side and the Rch side.

LEN

Description

Stops the operation of the serial audio interface (SAI) on the Lch side (initial

Starts the operation of the serial audio interface (SAI) on the Lch side.

REN

Description

Stops the operation of the serial audio interface (SAI) on the Rch side (initial

Starts the operation of the serial audio interface (SAI) on the Rch side.

LC1 to LC0 and RC1 to RC0 specify the playback channels of the Lch and Rch sides.

RC1

RC0

Description

Specify Rch-side channel 0 (CH0).

Specify Rch-side channel 1 (CH1).

Specify Rch-side channel 2 (CH2).

Specify Rch-side channel 3 (CH3).

LC1

LC0

Description

Specify Lch-side channel 0 (CH0).

Specify Lch-side channel 1 (CH1).

Specify Lch-side channel 2 (CH2).

Specify Lch-side channel 3 (CH3).

The LEN and REN bits cannot be set to "1" when the channels specified by LC1 to LC0 and RC1 to RC0 are playing back in

a mode other than SAI (BUSYBn = "L").

If you want to set LEN="0" and REN="1" with LEN="1" and REN="0", set LEN="0" and REN="1" after setting

LEN=REN="0".

When LEN and REN are set to "1" with the same channel specified by LC1 to LC0 and RC1 to RC0, only the Lch operates.

Start the LRCLK/BCLK input after entering the SAICON command.

Subsequently, enter the MUON command and then the SAICH command.

After entering the MUON command, enter the SAICH command at least 10ms prior to the end of the silence period set by the

MUON command.

Use a channel that is not played back by SAICH as the playback channel set by MUON commands. To mix with ROM

playback, use a channel for ROM playback. When ROM playback is started within the silence time set by the MUON

commands, resulting in continuous playback, ROM playback is started after the set silence time elapses.

For the timing of inputting the SAICH command, refer to the "SAICH command timing" in the timing chart.

When LRCLK is faster by 5% or more, SAICH is initialized. For LRCLK failure detection, refer to the "Function

description" section.

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ML22Q533 Datasheet(PDF) 134 Page - Rohm

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