MSM9810 View Datasheet(PDF) - Oki Electric Industry

Part Name

Description

Manufacturer

MSM9810

8-channel Mixing OKI ADPCM Type Voice Synthesis LSI

Oki Electric Industry 

¡ Semiconductor

MSM9810

Command input timing in parallel input interface

• The phrase address "25H" data is played back via channel 1

• The command options selected are 1/2 VDD (P-P) sound volume for all channels, use of an

internal low pass filter, secondary digital filter processing, and voltage follower output.

CMD

CS

WR

D7-D0

09H

18H

25H

28H

01H

00H

Set option data

Subcommand

(OPT)

Transfer option

data Command

(OPT)

Set address

data Subcommand

(FADR)

Transfer address

data to channel 1

Command

(FADR)

Set Start flag

to channel 1

Subcommand

(START)

Start flag execution

(Channel 1)

Command

(START)

Channel 1 voice

systhesis starts

See 9. "Command Data and Subcommand Data" for further information on commands and subcommands.

Command input timing in serial input interface

• Phrase address "08H" to channel 1 data and Phrase address "02H" to channel 2 data are played

back simultaneously.

• The command option is default setting.

CMD

CS

WR

SD

SI

(08H)

Set address "01H" data

Subcommand

(FADR)

(28H)

Transfer address

data to channel 1

Command

(FADR)

(02H)

Set address "02H" data

Subcommand

(FADR)

(29H)

Transfer address data

to channel 2

(FADR)

(03H)

(00H)

Set start flag to channel 1 Start flag execution

and channel 2

(channel 1 and channel 2)

Subcommand

Command (START)

(START)

Channel 1 and channel 2

voice synthesis starts

See 3-1 "Channel Synthesis" for further information on channel synthesis.

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