HT12E2T4 데이터 시트보기 (PDF) - Holtek Semiconductor

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HT12E2T4

216/212 RF Encoder

Holtek Semiconductor 

HT16x2Tx/HT12x2Tx

216/212 RF Encoder

Pin Assignment

D2

DD1 2

DD0 1

AD3 0

A2A3

A1A2

A0A1

VDDA0

VVSDSD

PAOVUSTS

PAOUT

4-Address

48-ADdadtaress

8-Data

1

20

21

1920

32

1819

43

1718

54

1617

65

1516

76

1415

87

1314

98

1213

109

1112

10

11

HT12A2Tx

HT12A2Tx

D3

DD4 3

DD5 4

DD6 5

DD7 6

B0D7

B1B0

XOB1UT

XIXNOUT

DXOIUNT

DOUT

D0

AD5 0

A4A5

A3A4

A2A3

A1A2

A0A1

VDDA0

VVSDSD

PAOVUSTS

PAOUT

6-Address

6-ADdadtaress

6-Data

1

20

21

1920

32

1819

43

1718

54

1617

65

1516

76

1415

87

1314

98

1213

109

1112

10

11

HT12C2Tx

HT12C2Tx

D1

DD2 1

DD3 2

DD4 3

DD5 4

B0D5

B1B0

XOB1UT

XIXNOUT

DXOIUNT

DOUT

A6

A5A6

A4A5

A3A4

A2A3

A1A2

A0A1

VDDA0

VVSDSD

PAOVUSTS

PAOUT

8-Address

84-ADdadtaress

4-Data

1

20

21

1920

32

1819

43

1718

54

1617

65

1516

76

1415

87

1314

98

1213

109

1112

10

11

HT12E2Tx

HT12E2Tx

A7

DA0 7

DD1 0

DD2 1

DD3 2

B0D3

B1B0

XOB1UT

XIXNOUT

DXOIUNT

DOUT

D2

DD1 2

DD0 1

AD3 0

A2A3

A1A2

A0A1

VDDA0

VVSDSD

PAOVUSTS

PAOUT

4-Address

140-A-Ddadtraess

10-Data

1

20

21

1920

32

1819

43

1718

54

1617

65

1516

76

1415

87

1314

98

1213

109

1112

10

11

HT16A2Tx

2H0TS1S6OAP2Tx

20SSOP

D3

DD4 3

DD5 4

DD6 5

DD7 6

DD8 7

DD9 8

XOD9UT

XIXNOUT

DXOIUNT

DOUT

D0

AD5 0

A4A5

A3A4

A2A3

A1A2

A0A1

VDDA0

VVSDSD

PAOVUSTS

PAOUT

6-Address

68-ADdadtaress

8-Data

1

20

21

1920

32

1819

43

1718

54

1617

65

1516

76

1415

87

1314

98

1213

109

1112

10

11

HT16C2Tx

2H0TS1S6OCP2Tx

20SSOP

D1

DD2 1

DD3 2

DD4 3

DD5 4

DD6 5

DD7 6

XOD7UT

XIXNOUT

DXOIUNT

DOUT

A6

A5A6

A4A5

A3A4

A2A3

A1A2

A0A1

VDDA0

VVSDSD

PAOVUSTS

PAOUT

8-Address

86-ADdadtaress

6-Data

1

20

21

1920

32

1819

43

1718

54

1617

65

1516

76

1415

87

1314

98

1213

109

1112

10

11

HT16E2Tx

2H0TS1S6OEP2Tx

20SSOP

A7

DA0 7

DD1 0

DD2 1

DD3 2

DD4 3

DD5 4

XOD5UT

XIXNOUT

DXOIUNT

DOUT

A6

A5A6

A4A5

A3A4

A2A3

A1A2

A0A1

VDDA0

VVSDSD

PAOVUSTS

PAOUT

10-Address

140--DAadtdaress

4-Data

1

20

21

1920

32

1819

43

1718

54

1617

65

1516

76

1415

87

1314

98

1213

109

1112

10

11

HT16G2Tx

2H0TS1S6OGP2Tx

20SSOP

A7

A8A7

A9A8

DA0 9

DD1 0

DD2 1

DD3 2

XOD3UT

XIXNOUT

DXOIUNT

DOUT

Pin Description

Pin Name

Type

VDD

—

VSS

—

AX

I

DX

I

B0

I

B1

I

DOUT

O

PAOUT

O

XIN

I

XOUT

O

Description

Positive power supply.

Negative power supply.

DIP switch input

Internal pull high provided

Push button input and transmission enable - active Low

Can be externally set to VDD or left open

Compound pin of pin16 and pin19 for HT12x2Tx only

Ex. In HT12C2Tx, if B0 is pulled low, that means D5 and D2 are pulled low together.

Compound pin of pin 16 and pin 17 for HT12x2T only

Encoder data output

RF transmit Signal

Crystal pin – frequency is RF carrier frequency divided by 32

e.g: for 315MHz RF carrier a 9.84375MHz crystal should be selected

Rev. 1.00

3

January 28, 2011

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