___________________________________________________ DS33M30/M31/M33 ABRIDGED DATA SHEET

Rev: 111908

6 of 20

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Manual or automatic one-second update of performance monitoring counters

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Single reference clock for all data rates using internal clock rate adapter (CLAD)

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Detection of loss of transmit clock and loss of receive clock

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Supports two packages:

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10mm, 144-pin CSBGA Package (DS33M30)

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17mm, 256-pin CSBGA Package (DS33M31/DS33M33)

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1.8V, 2.5V, 3.3V supplies

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IEEE 1149.1 JTAG boundary scan

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Software access to device ID and silicon revision

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Development support includes evaluation kit, driver source code, and reference designs

1.2

TDM Feature Overview

Figure 1-1 describes the TDM side feature.

Figure 1-1. TDM Functional Blocks

STS-3

Section/Line

Termination

STS-3

Section/Line

Termination

M

U

X

STS-3 Path

Termination

(VC-4)

STS-1 Path

Termination

(VC-3)

M

U

X

DS3/E3

MAPPER

M

U

X

DS3/E3

Desync

Add/Drop

DS3/E3

Framer

Line

DS3/E3

Framer

EoPoS

EoS (VC-3/STS-1)

SERDES

SERDES

EoS (VC-4/STS-3c)

Line DS3/E3 side

B3ZS/

HDB3

line coder

M

U

X

to

Encapsulated

Ethernet

STS-3/STM-1

Side

Drop Direction

Add Direction

•

Supports M23 DS3, C-bit DS3, G.751 E3, and G.832 E3 facilities

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Mapping/demapping of three DS3/E3 tributaries to/from STS-3/STM-1 through STS-1 or AU-3 or TU-3/AU-4

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Fully integrated and compliant DS3/E3 mapper/demapper and synchronizers/desynchronizers per

Telcordia, ANSI, and ITU standards

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High speed DS3/E3/STS-1/STS-3 overhead insertion/extraction with full access to all overhead bytes

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Full-featured DS3/E3/STS-1/STS-3 defect and performance monitoring (PM) support Large PM counters

for accumulation intervals up to one second

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Loopback capabilities at both STS-3/STM-1 side and line DS3/E3 side

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Dual STS-3/STM-1 155.52Mbps serial interfaces with receive clock recovery and transmit clock synthesis

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From a single reference clock the CLAD (cLock rate adapter) generates clock references for DS3

(44.736MHz), E3 (34.368MHz), and/or STS-3/STM-1 reference (77.76/19.44MHz)