CTCSS Signalling Processor

FX818

© 1997 Consumer Microcircuits Limited

20

D/818/4

1.6.7

Rx Program Tone Table

The following table lists the commonly used CTCSS tones together with the values for programming the

“CTCSS RX PROGRAM” register (Hex address $84).

N.B.

The values for byte 1 and 2 below apply to tone address 0 only. These values will vary depending on

the location they are programmed into.

Freq.

Byte 1

Byte 2

Freq.

Byte 1

Byte 2

Freq.

Byte 1

Byte 2

(Hz)

(hex)

(hex)

(Hz)

(hex)

(hex)

(Hz)

(hex)

(hex)

67.0

3

D8

114.8

6

C0

186.2

A

C9

69.3

4

9

118.8

6

D1

189.9

B

8

71.9

4

1B

123.0

7

10

192.8

B

44

74.4

4

4E

127.3

7

50

196.6

B

83

77.0

4

83

131.8

7

C0

199.5

B

8A

79.7

4

94

136.5

8

2

203.5

B

C9

82.5

4

CB

141.3

8

44

206.5

C

6

85.4

5

2

146.2

8

86

210.7

C

46

88.5

5

14

151.4

8

C9

218.1

C

C3

91.5

5

4C

156.7

9

C

225.7

D

41

94.8

5

87

159.8

9

48

229.1

D

48

97.4

5

94

162.2

9

82

233.6

D

89

100.0

5

CB

167.9

9

C6

241.8

E

8

103.5

6

7

173.8

A

B

250.3

E

88

107.2

6

45

179.9

A

84

254.1

E

C7

110.9

6

82

183.5

A

C2