MSM6789AGS-BK Просмотр технического описания (PDF) - Oki Electric Industry

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MSM6789AGS-BK

SBC Solid-State Recorder IC

Oki Electric Industry 

¡ Semiconductor

MSM6789A/6789L

PIN DESCRIPTIONS (for MSM6789A (5 V Version)) (Continued)

Pin Symbol Type

Description

39 ROM

Playback Operation. When set to low, this pin selects the record/playback

I operation (only for the SBC method). When set to high, it selects the ROM playback

operation (for the SBC and PCM methods).

Recording mode or playback mode selection. This pin is invalid during

65 REC/PLAY I the ROM playback operation. When set to low, it selects the playback mode.

When set to high, it selects the recording mode.

64 ST

Start Playback. When a low-level pulse is applied to this pin, the record/playback

I

or ROM playback is started.

63 SP

Stop Playback.When a low-level pulse is applied to this pin, the record/playback

I

or ROM playback is stopped.

32 PAUSE

Playback Pause. When a low-level pulse is applied to this pin, the record/playback

I

or ROM operation is stopped temporarily.

31 DEL

Phrase Delection. When a low level pulse is applied to this pin, all phrase deletion

or specified phrase deletion can be performed according to the setting of pins CA0

through CA5,

I

ch00:All phrase deletion

ch01 to ch3F:Specified phrase deletion

After power up, be sure to input a RESET signal and then delete all phrases.

After completing this procedure, start the record/playback operation.

Desired Phrase Specification.

A total of 63 phrases can be specified indepedently for the record/playback operation

and the ROM playback operation.

24-30 CA0-CA5 I

CA5 CA4 CA3 CA2 CA1 CA0

LLLLLL

L L L L LH

L L L LH L

... ...

...

...

...

...

HHHHH L

HHHHHH

Phrase No.

Remarks

ch00

All phrase deletion

ch01

ch02 A total of 63 phrases can

...

be used for both record

/playback and ROM

ch3E

playback operation.

ch3F

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