MSM6688 Datasheet, PDF (115/159 Pages) OKI electronic componets – ADPCM Solid-State Recorder IC

¡ Semiconductor
1. Inputting a 2-nibble command
MSM6688/6688L
Input RD pulse Status output
No _BUSY=0?
Yes
Input WR pulse
Verification of BUSY bit
Input of the 1st nibble command
Input RD pulse Status output
No _BUSY=0?
Yes
Input WR pulse
Verification of BUSY bit
(or waiting for BUSY state duration)
Input of the 2nd nibble data
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