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ML22804 датащи(PDF) 27 Page - List of Unclassifed Manufacturers

номер детали ML22804
подробное описание детали  LAPIS Semiconductor ADPCM Algorithm-Based Speech Synthesis LSI
PDF  41 Pages
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производитель  ETC2 [List of Unclassifed Manufacturers]
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ML22804 датащи(HTML) 27 Page - List of Unclassifed Manufacturers

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FEDL2280XFULL-04
ML22808/ML22804/Ml22802-XXX
2.
PUP2 command
• command
0
0
0
1
⎯
⎯
S1
S0
PUP2 command is used to shift the ML22804/ML22808-xxx from the power down state to the command
standby state.
In the power down state, any command input other than PUP1 and PUP2 will be ignored.
The ML22804/ML22808-xxx enters the power down state in any of the following conditions:
1) When power is turned on
2) At
RESET input
3) When both NCR and
BUSY go to a “H” level after inputting the power down command.
The relationship between S1/S0 and the memory bank is as follows.
S1
S0
ML22808/ML22804/ML22P808/ML22P804
ML22802/ML22P802
0
0
Uses the entire space of the internal memory.
Uses the entire space of the internal memory.
0
1
Divides the internal memory into two areas to
switch the memory areas with the SEL0 pin.
Setting prohibited (fix S0 to “0”)
1
0
Divides the internal memory into four areas to
switch the memory areas with the SEL0 and
SEL1 pins.
Divides the internal memory into two areas to
select the memory areas with the SEL pin.
1
1
Setting prohibited (Operation is the same as
above.)
Setting prohibited (Fix S0 to “0”.)
CS
Status
Oscillation stabilized
Pop noise is being
suppressed
SCK
DI
NCR
BUSY
Power down
XT
•XT
Oscillating
Oscillation stopped
AOUT
GND
1V
Awaiting command
The oscillation starts when the PUP2 command is input and, after an elapse of about 2 ms oscillation
stabilization time, the AOUT output gradually changes from GND level to approx. 1 V level in about 64 ms.
Any command that is input during oscillation stabilization will be ignored.
However, if a “L” level is input to
the
RESET pin, the device enters the power down state immediately.
T
27/41



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