Silan
Semiconductorsꢀ
SC2128A
ꢀ
PIN DESCRIPTION
Pin No.
20
20
PIN
Note2
6
22
PIN
Note3
6
24
PIN
Note4
6
Symbol
16
18
I/O
Function
PIN
Note1
5
PIN
PIN
VDD
5
2
5
2
--
--
O
O
O
O
I
Positive power supply
VSS
2
3
3
3
Negative power supply
COM
LED1
LED2
LED3
SPEED
MODE
TIMER
SW1
10
13
12
11
7
12
15
14
13
7
14
17
16
15
7
13
16
15
14
8
15
18
17
16
8
17
20
19
18
8
Indicator LED common output
Indicator LED output pins
SPEED key control input
MODE key control input
TIMER key control input
Swing head 1 control key input
Swing head 2 control key input
OFF control key input, shared with
buzzer output
8
8
8
9
9
9
I
9
11
9
13
9
12
10
1
14
10
1
16
10
1
I
--
I
SW2
--
--
--
I
OFF/MEMS/
BUZZ
LIGHT
SO1
6
6
6
7
7
7
I/O
--
--
--
10
--
10
12
--
--
11
20
--
11
13
22
12
21
20
19
2
11
15
24
14
23
22
21
2
I
Light control key input
Swing head 1 output
O
O
O
O
O
O
I
Swing head 2 output
SO2
--
LIT
--
--
11
20
19
18
1
Light output
LO
16
15
14
1
18
17
16
1
19
18
17
2
Speed outputs
MI
ST
REMOTE
OSCI
OSCO
NC
Remote control sensor input
Oscillator input pin
Oscillator output pin
No connection
3
3
3
4
4
4
I
4
4
4
5
5
5
O
I
--
--
--
--
--
12
13
NC
--
--
--
--
--
I
No connection
Note1 : One swing head control plus light control type
Note2 : Two Sets of Swing Head Control Type
Note3 : DIP Package Only
Note4 : SO Package Only
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
ꢀ
Rev: 1.0
2000.12.31ꢀ
5