SM3502
S
AM
HOP Microelectronics Corp.
FAN CONTROLLER
PIN DESCRIPTIONS
No.
1
Pin Name
LIGHT
DI
I / O
Function
I
Light control input
Remote control input
Off function control input
Timer setting input
2
I
3
OFF
I/O
4
TIMER
SPEED
MODE
COM1
COM2
COM3
SWING
SHO
I/O
5
I/O
Wind grade selection input
Wind mode selection input
6
I/O
7
O
LED scanning common pin / Customer code
LED scanning common pin / Customer code
LED scanning common pin
8
O
9
O
10
11
12
I
Swing head control input / Customer code
Swing head / tuner pulse output
O
Wind speed control output
Wind speed control output
Wind speed control output
Positive power supply
Trigger output to drive piezo
Crystal output
STRONG
MEDIUM
LOW
O
O
13
14
15
16
17
18
19
20
O
VDD
POWER
BUZ
O
OSC2
OSC1
VSS
O
Crystal input
I
POWER
O
Negative power supply (Substrate)
Light control output
LTO
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V.1.0
SAMHOP [ SAMHOP MICROELECTRONICS CORP. ]
