ML22Q533 datasheet(73/178 Pages) ROHM

73 / 178 page

FEDL22Q53X-02

ML22Q53X

 Setting timing of playback phrases by FADR2 command

 Playback start timing by PLAY2 command

When the first byte of the PLAY command is input, the 2nd byte waits for input after the command processing time (tCB1),

and when the 2nd byte is input, the 3rd byte waits for input after the command processing time (tCB1). When the third byte is

entered, the address data of the phrase to be played after the command processing time (tCB2) is read from the flash memory.

When the phrase address data is read, the specified phrase is played back, and when playback is completed, the BUSYB

signal of the playback channel becomes "H" level.

The NCR signal goes to the "L" level during playback preparation, and goes to the "H" level when playback preparation is

completed and playback starts. When the NCR signal of the playback channel becomes "H" level, the PLAY command of the

next phrase to be played can be accepted.

*1 The length of the "L" interval in the BUSYBn is (tCB2+ sound production time).

CSB

Status

Command is being processed

SCK

NCRn

BUSYBn

Awaiting command

FADR2 command

st byte

FADR2 command

rd byte

(internal)

VOH

VOL

CBUSYB

Awaiting command

Command is being processed

FADR2 command

nd byte

Awaiting command

tCB1

Command is being processed

CSB

Status

Command is being processed

Playing

SCK

NCRn

BUSYBn

Awaiting command

SPM

1/2VDD

SPP

1/2VDD

Address is being

controlled

Awaiting command

PLAY2 command

st byte

PLAY2 command

rd byte

(internal)

VOH

VOL

CBUSYB

tCB1

Awaiting command

Command is being processed

PLAY2 command

nd byte

tCB2

tCB1

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