Pin descriptions
1
2
3
4
5
6
7
8
Vcc
RSL
LFI
LFO
GND
HFO
HFI
OUT
Pin No. Pin name
Power supply pin
RSL pin
Low-frequency time
constant connector pin
GND pin
High-frequency time
constant connector pin
Output pin
This is the power supply pin for the lC. It is connected to the ( ) pin of
the diode bridge.
This is used to change the operation initiation current when connected
to the GND pin.
This is connected to the time constant that determines the oscillation
frequency on the war
ble.
This pin has the lowest potential on the lC. It is connected to the ( )
pin of the diode bridge.
This is connected to the time constant that determines the oscillation
frequency on the tone side (the audible frequency side).
This is used to connect a piezoelectric buzzer, or to connect a dynamic
speaker through a transformer.
Name Function
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