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DS21Q55

Register Name:

 

TLBC

 

 

 

 

 

 

 

 

Register Description:

Transmit Line Build-Out Control

 

 

 

 

 

Register Address:

7Dh

 

 

 

 

 

 

 

 

Bit #

7

6

5

4

 

3

2

1

0

 

Name

 

-

AGCE

GC5

GC4

 

GC3

GC2

GC1

GC0

 

Default

 

0

0

0

0

 

0

0

0

0

 

Bit 0–5 Gain Control Bits 0–5 (GC0– GC5). The GC0 through GC5 bits control the gain setting for the nonautomatic gain mode. Use the tables below for setting the recommended values. The LB (line build -out) column refers to the value in the L0– L2 bits in LIC1 (Line Interface Control 1) register.

NETWORK MODE

LB

GC5

GC4

GC3

GC2

GC1

GC0

 

0

1

0

0

1

1

0

 

1

0

1

1

0

1

1

 

2

0

1

1

0

1

0

T1, Impedance Match Off

3

1

0

0

0

0

0

4

1

0

0

1

1

1

 

 

5

1

0

0

1

1

1

 

6

0

1

0

0

1

1

 

7

1

1

1

1

1

1

 

0

0

1

1

1

1

0

 

1

0

1

0

1

0

1

 

2

0

1

0

1

0

1

T1, Impedance Match On

3

0

1

1

0

1

0

4

1

0

0

0

1

0

 

 

5

1

0

0

0

0

0

 

6

0

0

1

1

0

0

 

7

1

1

1

1

1

1

 

0

1

0

0

0

0

1

E1, Impedance Match Off

1

1

0

0

0

0

1

4

1

0

1

0

1

0

 

 

5

1

0

1

0

0

0

E1, Impedance Match On

1

0

1

1

0

1

0

2

0

1

1

0

1

0

 

Bit 6/Automatic Gain Control Enable (AGCE).

0 = use Transmit AGC, TLBC bits 0–5 are “don’t care”

1 = do not use Transmit AGC, TLBC bits 0–5 set nominal level

Bit 7/Unused, must be set to zero for proper operation.

156 of 248

012103

Please contact telecom.support@dalsemi.com or search http://www.maxim-ic.com for updated

information.

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Image 156
Maxim DS21Q55 specifications Tlbc, Transmit Line Build-Out Control, 7Dh, Agce GC5 GC4 GC3 GC2 GC1 GC0