OKI
ML2502 Demo Board
8
Figure 2.1 Timing Chart for Single-phrase Recording Operati
on
2-2. Playing Back Operation
(1)
Input “H” pulses to the PLAY1 and the PLAY2 pins simultaneously to power up
and start playback from the top address of the memory.
(2)
The LSI automatically ends playback when the last address of the recorded
phrase has been reached.
(3)
The LSI automatically shifts to low-power consumption mode after playback
ends.
(4)
To stop playback of the phrase before reaching its last address, input “H” pulses
again to the PLAY1 and the PLAY2 pins simultaneously. This will cause the
LSI to stop playback and then automatically shift to low-power consumption
mode.
(5)
During playback operation signal input to the PLAY1 or PLAY2 pin only is valid,
any other signal input is disregarded.
Start
Stop
Invalid Input
Stopping Process
Power Down
Powering Up
Recording
Power Down
Powering Down
MON
REC2
REC1
Status
PLAY2
PLAY1
