DTMF DIALING DATA REGISTER (RDTMF REGISTER)

Address

Data

Tone Frequency (Hz)

D7

D6

D5

D4

D3

D2

D1

D0

Low

High

P

001

X

X

00

697

X

X

X

0

1

770

X

X

X

1

0

852

X

X

X

1

1

941

X

0

0

X

X

X

1209

0

1

X

X

X

1336

1

0

X

X

X

1477

1

1

X

X

X

1633

Notes : This register is not initialized on power-up.

X : don’t care value.

P : 1,0 or X depending upon RPROG content.

DATA REGISTER FOR THE TRANSMISSION ATTENUATOR (RATE REGISTER)

Address

Data

Attenuation

(dB)

Output Transmit

Level (dBm)

On Line Level (dBm)

Coupler Gain (- 6dB)

D7

D6

D5

D4

D3

D2

D1

D0

P

010

00

00

0

+ 4

– 2

00

01

1

+ 3

00

10

2

+ 2

– 4

00

11

3

+ 1

– 5

01

00

4

0

– 6

01

01

5

– 1

– 7

01

10

6

– 2

– 8

01

11

7

– 3

– 9

10

00

8

– 4

– 10

10

01

9

– 5

– 11

10

10

10

– 6

– 12

10

11

11

– 7

– 13

11

00

12

– 8

– 14

11

01

13

– 9

– 15

1

1

1

0

Infinite

< – 64

< – 70

1

1

1

1

Infinite*

< – 64 *

< – 70 *

* Power-up configuration.

LINE MONITORING PROGRAMMING REGISTER (RWLO REGISTER)

Address

Data

Line Monitoring In Transmit

Mode Relative Level (dB)

Line Monitoring In Receive

Mode Relative Level (dB)

D7

D6

D5

D4

D3

D2

D1

D0

P

011

00

00

– 10

00

01

– 20

00

10

– 31

00

11

– 42

01

00

0

01

01

– 10

01

10

– 20

01

11

– 31

1

0

0

0

1

0

0

1

– 10dB

1

0

1

0

– 20dB

1

0

1

1

– 31dB

1

1

X

X

< – 60dB*

* Power-up configuration.

Note : Signaling frequency is a square wave signal at 2982Hz.

TS7514

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