SC2128C-C82S データシートの表示（PDF） - Silan Microelectronics

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SC2128C-C82S

REMOTE FAN CONTROL IC

Silan Microelectronics 

Silan

Semiconductors

SC2128C

2. SPEED KEY

SPEED key is used to (1) turn on the fan (2) change speed of the fan. SLEEP key my turn on the fan from remote

control handset. All the other key scan NOT turn on the fan. All the other keys, except LIGHT key, can NOT

operate until fan is turned on. The diagram shows the state transition of SC2128C for successive pressing of

SPEED key.

OFF

LO=Z

MI=Z

ST=Z

Middle wind start-up optioned

SPEED KEY

MI start

LO=Z

MI=L

ST=Z

2-3 sec, delay

SPEED KEY

MID

LO=Z

MI=L

ST=Z

LOW

LO=L

MI=Z

ST=Z

Z=high impedence

L=low voltage

SPEED KEY

STR

LO=Z

MI=Z

ST=L

3. TIMER KEY

TIMER key is used to set time schedule after which SC2128C will automatically restore off state(off-timer).

When the fan is on, pressing TIMER key sets up the off-timer. Each pressing of TIMER key increases the

timer by one step. Each time increment step is determined by various timer options. Either 0.5 or 1 hour

per step may be selected, and either 3 levels or 4 levels timer may be selected. Please see TIMER section

for details.

4. MODE KEY

MODE key is used to bring SC2128C around ORD

(ordinary wind) mode, RTM (rhythm wind ) mode and

RSL(rhythm sleep wind ) mode. In ORD mode, the wind

speed is set by SPEED key and does not change as

time passes. In RTM mode the wind speed cycles

through three rhythm wind, patterns as set by the

SPEED key. In RSL mode, however, the fan

automatically steps down one level (strong to middle,

middle to low) every 30 minutes and keeps in low wind

until off-timer times out. Four modes of operation are

described in details later.

MODE KEY

SPEED KEY

OFF

ORD

RTM

MODE KEY

RSL

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

Rev: 1.1

2001.09.26

5

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