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SM5272BS-5

3 RF decoder

厂商名称:SamHop Microelectronics Corp.

厂商官网:http://www.samhop.com.tw

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三合微科股½有限公司
S
AM
H
OP
Microelectronics Corp.
SM5272B
3
12
RF DECODER
GENERAL DESCRIPTION
SM5272B is a remote control decoder paired
with SM5262B utilizing CMOS Technology.
It has 12-bit tri-state address pins providing a
maximum of 531,411 (or 3
12
) address codes;
thereby, drastically reducing any code
collision and unauthorized code scanning
possibilities. SM5272B is available in
several options to suit every application
needs : variable number of data output pins,
latch or momentary output type.
FEATURES
* CMOS Technology
* Low power consumption
* Very high noise immunity
* Up to 12 tri-State code address pins
* Up to 6 data pins
* Wide range of operating voltage:
Vcc= 2.5 ~ 9 Volts
* Single resistor oscillator
* Latch or momentary output type
* Available in DIP and SOP package
APPLICATIONS
* Garage door
* Toys
* Remote control for industrial use
BLOCK DIAGRAM
DIN
Signal
Re-Shap
Decode
Timing
Generator
Address
Compare
Data
Compare
VT
OSC
Address
Data
OSC1 OSC2
A0
A5
A6/D5 A11/D0
Page 1
OCT. 26, 2001
三合微科股½有限公司
S
AM
H
OP
Microelectronics Corp.
SM5272B
3
12
RF DECODER
PIN ASSIGNMENTS ( DIP )
A0
A1
A2
A3
A4
A5
A6
A7
Vss
1
2
3
4
5
6
7
8
9
SM5272B
18
17
16
15
14
13
12
11
10
Vcc
VT
OSC1
OSC2
DIN
A11
A10
A9
A8
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
Vcc
VT
OSC1
OSC2
DIN
D0
D1
A9
A8
SM5272B-M2/L2
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
Vcc
VT
OSC1
OSC2
DIN
D0
D1
D2
A8
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
Vcc
VT
OSC1
OSC2
DIN
D0
D1
D2
D3
SM5272B-M3/L3
SM5272B-M4/L4
A0
A1
A2
A3
A4
A5
A6
D4
Vss
1
2
3
4
5
6
7
8
9
18
17
16
15
14
13
12
11
10
Vcc
VT
OSC1
OSC2
DIN
D0
D1
D2
D3
A0
A1
A2
A3
A4
A5
D5
D4
Vss
1
2
3
4
5
6
7
8
9
18
17
16
15
14
13
12
11
10
Vcc
VT
OSC1
OSC2
DIN
D0
D1
D2
D3
SM5272B-M5/L5
Page 2
SM5272BM6/L6
OCT. 26, 2001
三合微科股½有限公司
S
AM
H
OP
Microelectronics Corp.
SM5272B
3
12
RF DECODER
PIN CONFIGURATION ( SOP )
A0
A1
A2
A3
A4
A5
A6
A7
Vss
NC
1
2
3
4
5
6
7
8
9
10
SM5272BS
20
19
18
17
16
15
14
13
12
11
Vcc
VT
OSC1
OSC2
DIN
A11
A10
A9
A8
NC
A0
A1
A2
A3
A4
A5
A6
A7
Vss
NC
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
Vcc
VT
OSC1
OSC2
DIN
D0
D1
A9
A8
NC
SM5272BS-M2/L2
A0
A1
A2
A3
A4
A5
A6
A7
Vss
NC
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
Vcc
VT
OSC1
OSC2
DIN
D0
D1
D2
A8
NC
A0
A1
A2
A3
A4
A5
A6
A7
Vss
NC
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
Vcc
VT
OSC1
OSC2
DIN
D0
D1
D2
D3
NC
SM5272BS-M3/L3
SM5272BS-M4/L4
A0
A1
A2
A3
A4
A5
A6
D4
Vss
NC
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
Vcc
VT
OSC1
OSC2
DIN
D0
D1
D2
D3
NC
A0
A1
A2
A3
A4
A5
D5
D4
Vss
NC
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
Vcc
VT
OSC1
OSC2
DIN
D0
D1
D2
D3
NC
SM5272BS-M5/L5
Page 3
SM5272BS-M6/L6
OCT. 26, 2001
三合微科股½有限公司
S
AM
H
OP
Microelectronics Corp.
SM5272B
3
12
RF DECODER
PIN FUNCTION
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Pin Name
A0
A1
A2
A3
A4
A5
A6/D5
A7/D4
Vss
A8/D3
A9/D2
A10/D1
A11/D0
DIN
OSC1
OSC2
VT
V
DD
I/O
I
I
I
I
I
I
I/O
Address input or data output.
I/O
POWER
I/O
I/O
Address input or data output.
I/O
I/O
I
I
O
O
POWER
Receive from Rf module.
Resistor connected between these two pins
determine the system clock.
Valid transmission indication.
Positive power supply.
Negative power supply.
Address input, each pin can be set to "0",
"1" , or floating.
Function
Page 4
OCT. 26, 2001
三合微科股½有限公司
S
AM
H
OP
Microelectronics Corp.
SM5272B
3
12
RF DECODER
Code Word
A group of Code Bits is called a code Word. A Code Word consists of 12 Address plus Data
bits followed by one Sync Bit. The 12 AD bits are interpreted as either address or data bits
depending on the SM5272B version used. Please refer to the diagrams below:
SM5272B
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10 A11
SYNC
SM5272B-M2/L2
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
D1
D0
SYNC
SM5272B-M3/L3
A0
A1
A2
A3
A4
A5
A6
A7
A8
D2
D1
D0
SYNC
SM5272B-M4/L4
A0
A1
A2
A3
A4
A5
A6
A7
D3
D2
D1
D0
SYNC
SM5272B-M5/L5
A0
A1
A2
A3
A4
A5
A6
D4
D3
D2
D1
D0
SYNC
SM5272B-M6/L6
A0
A1
A2
A3
A4
A5
D5
D4
D3
D2
D1
D0
SYNC
One Complete Code Word
Page 5
OCT. 26, 2001
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