三合微科股�½有限公司
S
AM
H
OP
Microelectronics Corp.
SM5028RF
2
12
RF ENCODER
GENERAL DESCRIPTION
SM5028RF is a RF remote control
encoder paired with SM5038RF. It utilizes
CMOS technology. The chip has 12 bits
of
2-state address pins that provides 2
12
codes. SM5028RF/SM5038RF pair is
suitable for use on remote controller.
FEATURES
*
*
*
*
*
CMOS technology
Low power consumption
Wide range operating voltage, Vcc = 2.4~12V
Up to four data bits
High noise immunity
APPLICATION
*
*
*
*
*
*
Car Security
Garage Door
Ceiling Fan
Home Security/Automatic
Toys
Wireless doorbell
PIN ASSIGNMENTS (TOP VIEW)
A0
A1
A2
A3
A4
A5
A6
A7
Vss
1
2
3
4
5
6
7
8
9
18
17
16
15
14
13
12
11
10
SM5028RF
V
DD
Dout
OSC1
OSC2
TE
A11/D0
A10/D1
A9/D2
A8/D3
NC
A0
A1
A2
A3
A4
A5
A6
A7
Vss
1
2
3
4
5
6
7
8
9
10
SM5028S
20
19
18
17
16
15
14
13
12
11
NC
V
DD
Dout
OSC1
OSC2
TE
A11/D0
A10/D1
A9/D2
A8/D3
Page 1
V1.0
SAMHOP [ SAMHOP MICROELECTRONICS CORP. ]
