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FEDL22Q553-04 Datasheet(PDF) 43 Page - List of Unclassifed Manufacturers

Part # FEDL22Q553-04
Description  4-Channel Mixing Speech Synthesis LSI with Built-in FLASH ROM for Automotive
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Manufacturer  ETC2 [List of Unclassifed Manufacturers]
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FEDL22Q553-04
ML22Q553-NNN/ML22Q553-xxx
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10. MUON command
 command
0
1
1
1
CH3
CH2
CH1
CH0
1st byte
M7
M6
M5
M4
M3
M2
M1
M0
2nd byte
The MUON command allows inserting a silence between two playback phrases.
The command can be input
when the NCR signal on the target channel is at a “H” level.
Set the silence time length after inputting this command.
It can be set for each channel.
The MUON
command allows specifying multiple channels at one time.
Setting any bit(s) from CH0 to CH3 to “1” plays
silence on the corresponding channel(s).
Channel settings
Channel
CH0
Setting this bit to “1” inserts a silence on channel 0.
CH1
Setting this bit to “1” inserts a silence on channel 1.
CH2
Setting this bit to “1” inserts a silence on channel 2.
CH3
Setting this bit to “1” inserts a silence on channel 3.
Be sure to set the channel setting bits( CH0-CH3).
As the silence length (M7–M0), a value between 20 ms and 1024 ms can be set at 4 ms intervals (252 steps in
total).
The equation to set the silence time length is shown below.
The silence length (M7–M0) must be set to 04h or higher.
tmu=(2
7
×(M7)+26×(M6)+25×(M5)+24×(M4)+23×(M3)+22×(M2)+21×(M1)+20×(M0)+1)×4ms
The figure below shows the timing of inserting a silence of 20 ms between the repetitions of a phrase of (F7–F0)
= 01h.
CSB
SCK
SI
NCR
(internal)
BUSYB
(internal)
SPM
1/2VDD
SPP
1/2VDD
tcm
tcm
CBUSYB
PLAY command
2nd byte
MUON command
1st byte
MUON command
2nd byte
PLAY command
1st byte
PLAY command
2nd byte
Status
Playing
Address is being controlled
Awaiting command
Silence is being inserted
Playing
Waiting for silence insertion
to be finished
Waiting for playback to be finished


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