GENERAL DESCRIPTION
SM3015 is a multi-function Fan Controller
CMOS IC that can be applied to a variety of
consumer products. It has an elastic
f u n c t i o n l i k e M C U b u t d o e s n o t n e e d
programming, user can just write a MASK
form.
SM3015 has three or four wind modes;
normal, rhythm and sleep-rhythm wind or
normal, rhythm, sleep-normal and sleep-
rhythm, the operation pattern of rhythm and
sleep modes can be set by user.
Many kinds of timer setting and two swing
head control that include micro-swing output
can be chosen by user to tune the swing
head angle.
M e m o r y o r n o n - m e m o r y f u n c t i o n i s
available; the Speed, Mode, Swing functions
will operate as last state in memory type.
S u p p o r t s t w o - b i t c u s t o m e r c o d e s t o
distinguish different models.
FEATURES
* High performance CMOS technology.
* Rhythm wind or Normal wind for SLEEP
mode can be chosen.
* Two to three-wind grade control in wind
modes.
* Memory start-up function option.
* Many types of timer setting on three or four
steps and ladder adder or non-ladder
adder.
* Two swing head control, micro-swing output
can be chosen by MASK option.
* SPEED or ON/OFF key can enable fan
controller.
* 16 or 32 patterns per cycle of rhythm/sleep
mode, each pattern has 2.5 sec.
* Panel control or pair with SM5021B for an
infrared Remote Fan Controller.
* 16/18/20/22/24 pin plastic DIP package.
* Three types of sleep hold time by SLT key:
0.5hr/1hr/2hr.
* 32.768KHz/455KHz oscillator option.
APPLICATIONS
* Electronic Fan
* Heater Fan
* Air-Cleaner
* Dehumidifier
* Humidifier
* Kitchen Exhaust
* Dish Dryer
* Wall Fan
PIN ASSIGNMENTS (TOP VIEW)
Page 1
1
22
2
21
3
20
4
19
5
18
6
17
7
16
8
15
9
14
10
13
11
12
LTO
VSS
OSC1
OSC2
BUZ
VDD
LOW
MEDIUM
STRONG
SHO1
SHO2
LIGHT
DI
OFF(ON/OFF)
TIMER
SPEED
MODE
COM1
COM2
COM3
SWING1
SWING2
SM3015A 16/18/20/22PIN
1
22
2
21
3
20
4
19
5
18
6
17
7
16
8
15
9
14
10
13
11
12
LTO
VSS
OSC1
OSC2
BUZ
VDD
LOW
MEDIUM
STRONG
SHO1
SHO2
LIGHT
DI
OFF(ON/OFF)
TIMER
SPEED
MODE
COM1
COM2
COM3
SWING1
NC
SM3015B 16/18/20/22PIN
SM3015
S
AM
H
OP
Microelectronics Corp.
REMOTE FAN MCU
V.2.0 Mar 8 ,2002
Page 2
PIN ASSIGNMENT (TOP VIEW)
1
24
2
23
3
22
4
21
5
20
6
19
7
18
8
17
9
16
10
15
11
14
12
13
LTO
VSS
OSC1
OSC2
BUZ
VDD
LOW
MEDIUM
STRONG
SHO1
SHO2
NC
LIGHT
DI
OFF(ON/OFF)
TIMER
SPEED
MODE
COM1
COM2
COM3
SWING1
SWING2
SLT
SM3015C 24PIN
PANEL DISPLAY
SM3015A TYPE
* Note: " " Functions can be chosen by MASK or bonding option.
V.2.0 Mar 8, 2002
1
24
2
23
3
22
4
21
5
20
6
19
7
18
8
17
9
16
10
15
11
14
12
13
LTO
VSS
OSC1
OSC2
BUZ
VDD
LOW
MEDIUM
STRONG
SHO1
SHO2
NC
LIGHT
DI
OFF(ON/OFF)
TIMER
SPEED
MODE
COM1
COM2
COM3
SWING1
SLT
NC
SM3015D 20/24PIN
LIGHT
SPEED
S
M
L
TIMER
4HR
2HR
1HR
1/2HR
OFF
ON/OFF
MODE
NOR
SLP-RHY
SLP-NOR
RHY
(SWING FUNCTION)
SW1
TUNER1
SW2
TUNER2
SHO2
SHO1
Right
Left
Down
Up
SM3015B TYPE
(SWING FUNCTION)
SWING
SHO2
SHO1
SM3015C TYPE
(SWING FUNCTION)
OFF
ON/OFF
SPEED
S
M
L
TIMER
4HR
2HR
1HR
1/2HR
MODE
NOR
SLP-RHY
SLP-NOR
RHY
LIGHT
(SWING FUNCTION)
SM3015D TYPE
SHO2
SHO1
SWING
SLEEP
HOLD TIME
1/2 HR
1 HR
2 HR
Right
Left Up
Down
SW2
TUNER2
SHO2
SW1
TUNER1
SHO1
SLEEP
HOLD TIME
2HR
1HR
1/2HR
SM3015
S
AM
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Microelectronics Corp.
REMOTE FAN MCU
BLOCK DIAGRAM
Page 3
BUZZER
SWING/LIGHT
CONTROL
OSCILLATOR
REMOTE CONTROL DECODER
SYSTEM TIMING GENERATOR
ZERO_CROSS
FAN FUNCTIONS CONTROL
SPEED/MODE/TIMER/MEMORY
SHO1 SHO2 LTO
SWING1
SWING2
OSC2
OSC1
SLEEP
MODE
TIMER
SPEED
OFF
BUZ
COM1
COM2
VDD
VSS
DI
KEY INPUT
LED OUTPUT
SCAN_SIGNAL
LIGHT
COM3
ROM
TIMER
SPEED
OUTPUT
DRIVER
STRONG
MEDIUM
LOW
V.2.0 Mar 8, 2002
SM3015
S
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Microelectronics Corp.
REMOTE FAN MCU
Page 4
PIN DESCRIPTIONS
14
15
16
17
18
19
20
21
22
23
24
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
Pin Name
LIGHT
DI
ON_OFF/OFF
TIMER
SPEED
MODE
COM1
COM2
COM3
SWING1
SWING2
SLT
I / O
I
I
I/O
I/O
I/O
I/O
O
O
O
I
I
I/O
Function
Light control input
Remote control input
On-Off or Off function control input
Timer setting input
Wind grade selection input
Wind mode selection input
LED scanning common pin / Customer code
LED scanning common pin / Customer code
LED scanning common pin
Swing head control input / Customer code
Swing head control input
Sleep time control input
NC
SHO2
SHO1
STRONG
MEDIUM
LOW
VDD
BUZ
OSC2
OSC1
VSS
LTO
O
O
O
O
O
POWER
O
O
I
POWER
O
No connection
Swing head / tuner pulse output
Swing head / tuner pulse output
Wind speed control output
Wind speed control output
Wind speed control output
Positive power supply
Trigger output to drive piezo
Crystal output
Crystal input
Negative power supply (Substrate)
Light control output
V.2.0 Mar 8, 2002
SM3015
S
AM
H
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Microelectronics Corp.
REMOTE FAN MCU
FUNCTION DESCRIPTION
SM3015 has two control types : panel keypad and infrared remote control.
There are four to eight control signal operations :
* Start-up by SPEED key
a. function turn off (OFF key)
b. wind mode select (MODE key)
c. start-up function and wind speed select (SPEED key)
d. timer setting (TIMER key)
e. swing head or tuner for swing angle (SW1 and SW2 key)
f. lighting control (LIGHT key)
* Start-up by ON/OFF key
a. function control (ON/OFF key)
b. wind mode select (MODE key)
c. wind speed select (SPEED key)
d. timer setting (TIMER key)
e. swing head or tuner for swing angle (SW1 and SW2 key)
f. lighting control (LIGHT key)
All functions can be planned by user like an MCU for more product application.
Only SPEED or ON/OFF key can enable the fan controller, except for the light control. Wind mode,
timer and swing head inputs can not be accepted when fan is not activated. The fan controller will be
turned off by timer and OFF (ON/OFF) key inputs.
When more than one key are pressed, controller will not accept the multi-key's control signal, if the
panel keys are pressed more than six seconds, controller will generate a " BI-BI-BI-BI" warning sound.
When fan is enabled by SPEED or ON/OFF key, the initial state of fan controller is as follows:
* Memory function available
If Fan controller is OFF on sleep mode, all memory functions will be returned to the LAST TURN
ON STATE.
a.Grade as last state but with starting medium wind for three seconds (MASK option)
b. The wind mode as last state except sleep mode
c. Swing function as last state
d. Timer setting off
e. Light is independent
* Non-memory function (Bonding option)
a. Grade is low wind function but with starting medium wind for three seconds (MASK option)
b. Normal wind mode operation
c. Timer setting and swing head off
d. Light is independent
Page 5
V.2.0 Mar 8, 2002
SM3015
S
AM
H
OP
Microelectronics Corp.
REMOTE FAN MCU
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