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ML22Q553 Fiches technique(PDF) 5 Page - List of Unclassifed Manufacturers

No de pièce ML22Q553
Description  4-Channel Mixing Speech Synthesis LSI
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Fabricant  ETC2 [List of Unclassifed Manufacturers]
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ML22Q553 Fiches technique(HTML) 5 Page - List of Unclassifed Manufacturers

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FEDL22Q553-02
ML22Q553
PIN DESCRIPTION (1)
Pin
Symbol
I/O Attribute
Description
Attribute
Initial
value
1
AIN
I
Speaker amplifier input pin.
analog
0
2
SG
O
Built-in speaker amplifier’s reference voltage output pin.
Connect a capacitor of 0.1
μF or more between this pin and
DGND.
analog
0
3
VDDR
O
2.5 V regulator output pin.
Acts as an internal power supply (for ROM). Connect a
capacitor of 10
μF or more between this pin and DGND.
analog
0
4,18
DVDD
Digital power supply pin.
Connect a bypass capacitor of 10
μF or more between this
pin and DGND.
power
5,15
DGND
Digital ground pin
gnd
6
VDDL
O
2.5 V regulator output pin.
Acts as an internal power supply (for logic). Connect a
capacitor of 10
μF or more between this pin and DGND.
power
0
7
DIPH
I
Positive
Serial interface switching pin.
Pin for choosing between rising edges and falling edges as
to the edges of the SCK pulses used for shifting serial data
input to the SI pin into the inside of the LSI.
When this pin is at a “L” level, SI input data is shifted into the
LSI on the rising edges of the SCK clock pulses and a status
signal is output from the SO pin on the falling edges of the
SCK clock pulses.
When this pin is at a “H” level, SI input data is shifted into the
LSI on the falling edges of the SCK clock pulses and a status
signal is output from the SO pin on the rising edges of the
SCK clock pulses.
digital
0
8
STATUS
O
Positive
Channel status output pin.
Outputs the BUSYB or NCR signal for each channel by
inputting the OUTSTAT command.
digital
1
9
ERR
O
Positive
Error output pin.
Outputs a “H” level if an error occurs.
digital
0
10
CSB
I
Negative
Chip select pin.
A “L” level on this pin accepts the SCK or SI inputs. When
this pin is at a “H” level, neither the SCK nor SI signal is input
to the LSI.
digital
1
11
SCK
I
Positive Synchronous serial clock input pin.
clk
0
12
SI
I
Synchronous serial data input pin.
When the DIPH pin is at a “L” level, data is shifted in on the
rising edges of the SCK clock pulses.
When the DIPH pin is at a “H” level, data is shifted in on the
falling edges of the SCK clock pulses.
digital
0
13
SO
O
Positive
Channel status serial output pin.
Outputs a status signal on the falling edges of the SCK clock
pulses when the DIPH pin is at a ”L” level; outputs a status
signal on the rising edges of the SCK clock pulses when the
DIPH pin is at a ”H” level.
When the CSB pin is at a ”L” level, the status of each channel
is output serially in sync with the SCK clock. When the CSB
pin is at a ”H” level, this pin goes into a high impedance state.
digital
Hi-Z
5/69


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