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MSM6789 Datasheet(PDF) 17 Page - OKI electronic componets

Part # MSM6789
Description  SBC Solid-State Recorder IC
PDF  53 Pages
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Manufacturer  OKI [OKI electronic componets]
Direct Link  http://www.oki.com
Logo OKI - OKI electronic componets

MSM6789 Datasheet(HTML) 17 Page - OKI electronic componets

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¡ Semiconductor
MSM6789A/6789L
PIN DESCRIPTIONS (for MSM6789L (3.3 V Version)) (Continued)
Symbol
Type
Description
ROM
I
Playback Operation. When set to low, this pin selects the record/playback
operation (only for the SBC method). When set to high, it selects the ROM playback
operation (for the SBC and PCM methods).
REC/PLAY
I
Recording mode or playback mode selection. This pin is invalid during
the ROM playback operation. When set to low, it selects the playback mode.
When set to high, it selects the recording mode.
ST
I
Start Playback. When a low-level pulse is applied to this pin, the record/playback
or ROM playback is started.
Playback Pause. When a low-level pulse is applied to this pin, the record/playback
or ROM operation is stopped temporarily.
PAUSE
I
DEL
I
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,
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.
CA0-CA5
I
SP
I
Stop Playback.When a low-level pulse is applied to this pin, the record/playback
or ROM playback is stopped.
CA5 CA4 CA3 CA2 CA1 CA0
Phrase No.
Remarks
LLLLLL
ch00
All phrase deletion
LLLLL
H
ch01
..
.
..
.
..
.
..
.
..
.
ch02
LLLL
H
L
..
.
HHHHH
L
ch3E
HHHHHH
ch3F
A total of 63 phrases can
be used for both record
/playback and ROM
playback operation.
..
.
Pin
39
65
64
32
31
24-30
63



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