DS3182 datasheet(39/400 Pages) DALLAS

Part #	DS3182

Description	Single/Dual/Triple/Quad ATM/Packet PHYs with Built-In LIU

PDF	400 Pages

Scroll/Zoom	100%

Manufacturer	DALLAS [Dallas Semiconductor]

Direct Link	https://www.maximintegrated.com/en.html

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39 / 400 page

DS3181/DS3182/DS3183/DS3184

7.2 HDB3/B3ZS/AMI Non-LIU Line Interface Mode

The Non-LIU Line Interface Mode disables the LIU and a digital representation of AMI is output/input on the

TPOSn/TNEGn signals and the RPOSn/RNEGn signals. Selection between AMI and HDB3/B3ZS is made via the

LINE.TCR Register. HDB3 and B3ZS selection is controlled by the configuration selected by the FM bits. DS3 and

CC52 frame modes select the B3ZS line code while the E3 modes select the HDB3 line code. The DS3AIS signal

can only be generated in non-OHM DS3 modes.

Table 7-2. HDB3/B3ZS/AMI Non-LIU Mode Configuration Registers

MODE

LM[2:0]

LINE.TCR.TZSD

AND

LINE.RCR.RZSD

TLEN

PORT.CR2

LIU Off, B3ZS or HDB3

000

LIU Off, AMI

000

Figure 7-2. HDB3/B3ZS/AMI Non-LIU Line Interface Mode

n = port # (1-4)

TAIS

TUA1

Clock Rate

Adapter

B3ZS/

HDB3

Encoder

B3ZS/

HDB3

Decoder

FROM FRAMING LOGIC

OR EXTERNAL PINS

TO FRAMING LOGIC

OR EXTERNAL PINS

TPOSn

TNEGn

TLCLKn

RLCLKn

RPOSn

RNEGn

DS3182 Datasheet(PDF) 39 Page - Dallas Semiconductor

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