FEDL22620-01
ML22620
●
Playback start timing by PLAY command
When the first byte of the PLAY command is input, the device waits for the input of the second byte after the command
processing time (t
CB1
). When the second byte is entered, the address data of the phrase to be played after the command
processing time (t
CB2
) is read from the flash memory.
When the phrase address data is read, the specified phrase starts playback, and when playback is completed, the BUSYB
signal of the playback channel becomes "H" level.
The NCR signal goes to the "L" level during playback preparation, and goes to the "H" level when playback preparation is
completed and playback starts. When the NCR signal of the playback channel becomes "H" level, the PLAY command of the
next phrase to be played can be accepted.
*1 The length of the "L" interval in the BUSYBn is (tCB2+ sound production time).
CSB
Status
Command is being processed
Playing
SCK
SI
NCRn
BUSYBn
Awaiting command
SPM
1/2SPVDD
SPP
1/2SPVDD
Address is being
controlled
Awaiting command
*1
PLAY command
1
st
byte
(internal)
(internal)
VOH
VOL
CBUSYB
Awaiting command
PLAY command
2
nd
byte
t
CB2
t
CB1
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Summary of Contents for LAPIS Semiconductor ML22620
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