ML22Q563 datasheet(22/66 Pages) ETC2

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FEDL2257X-05

ML22Q573/ML2257X

To prevent malfunction caused by serial interface pin noise, the ML22Q573/ML2257X is provided with the

two-time command input mode, where the user inputs one command two times.

Use the PUP command to set

the two-time command input mode.

For the method of setting the two-time command input mode, see the the

section on “1. PUP command” described later.

In two-time command input mode, input one command two times in succession. Then, the command becomes

valid only when the data input first matches the data input second.

After the first data input, if a data mismatch

occurs when the second data is input, a ”H” level is output from the ERR pin.

An error, if occurred, can be

cleared by the ERCL command.

VOH

VOL

CSB

Status

Command is being

processed

Playing

SCK

NCRn

BUSYBn

Awaiting command

SPM

1/2VDD

SPP

1/2VDD

VOH

VOL

Address is being

controlled

Awaiting command

PLAY command

1st byte

PLAY command

2nd byte

(internal)

VOH

VOL

CBUSYB

tCB2

Awaiting command

PLAY command

1st byte

tCB1

PLAY command

2nd byte

Awaiting command

Command is being

processed

Command is being

processed

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