AM79C02AJC datasheet(33/48 Pages) AMD

33 / 48 page

SLAC Products

21. Write Operating Conditions

(70h)

Cut off Transmit Path

CTP = 0*

Transmit path connected

CTP = 1

Transmit path cut off (see note)

Cut off Receive Path

CRP = 0*

Receive path connected

CRP = 1

Receive path cut off

High-Pass Filter

HPF = 0*

High-pass filter enabled

HPF = 1

High-pass filter disabled

Receive Path Gain

RG = 0*

6 dB loss not inserted

RG = 1

6 dB loss inserted

Analog Loopback

ALB = 0*

Analog loopback disabled

ALB = 1

Analog loopback enabled

TSA Loopback

TLB = 0*

TSA loopback disabled

TLB = 1

TSA loopback enabled

RSVD = Reserved. Always write as 0, but 0 is not guaranteed when read.

* Power up default value.

Note:

The B Filter still is connected across the PCM highway during Receive Cut off. Accompany

Receive Cut off with a B Filter disable command.

22. Read Operating Conditions

(71h)

23. Read Revision Code Number

(73h)

This command returns an 8-bit number describing the revision number of the DSLAC device. It

can be read on either channel.

Command

Input Data

CTP

CRP

HPF

ALB

TLB

RSVD

Command

Output Data

CTP

CRP

HPF

ALB

TLB

RSVD

Command

Output Data

AM79C02AJC Datasheet(PDF) 33 Page - Advanced Micro Devices

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