1618-D16-T 查看數據表（PDF） - Unisonic Technologies
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1618-D16-T Datasheet PDF : 5 Pages
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1618
PIN CONFIGURATION
VDD 1
S3 2
S5 3
S4 4
S6 5
S2 6
S1 7
GND 8
UTC
1618
16 NC
15 NC
14 OSC2
13 OSC1
12 BZ2
11 BZ1
10 NC
9 INI
CMOS IC
PIN DESCRIPTIONS
PIN #
PIN NAME I/O
1
VDD
-
2
S3
I
3
S5
I
4
S4
I
5
S6
I
6
S2
I
7
S1
I
8
GND
-
9
INI
I
10
NC
-
11
BZ1
O
12
BZ2
O
13
OSC1
O
14
OSC2
I
15
NC
-
16
NC
O
DESCRIPTION
Power supply pin (+).
Sound selection keys. These keys connect with internal pull-down resistors.
The sound output will be enabled when a key is connected to VDD. On other
hands, the sound output will be disabled if a key is N.C. or connected to GND.
When two or more keys are selected in the same time, the sound will be
generated in cycling sequence. According to the priority of the keys,
the proirity of S1~S6 list below : S1>S2>S6>S4>S5>S3.
Power supply pin (-).
An internal pull-up resistor. Might disable BZ1, BZ2, when connected to GND.
No connecting.
Audio output pins.
Oscillator pin with external resistor.
No connecting.
No connecting.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 5
QW-R502-007.E
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