Rainbow-electronics DS3184 Uživatelský manuál stáhnout pdf (Strana 4)

Maxim/Dallas Semiconductor Confidential Product Preview: DS3181,2,3,4

Rev 1.5 4 of 13 022304

Figure 1-2 Functional Block Diagram

TDENn

TDATn

/ TGCLKn

TLCLKn

TSOFn / TIOHMn

TOHn

TOHGCLKn

TOHSOFn

TPOHn

TPOHGCLK

TPOHSOFn

8KREFI

TMEI

System

Interface

TSCLK

TADR

[

4:0

]

TDATA

[

31:0

]

TPRTY*

TEN*

TPX

TDXA

[

4:1

]

TSOX

TEOP

TSX

TMOD

[

1:0

]

TERR

TSP

FIFO

PLCP/FRAC

Formatter

Tx Cell

Processor

DS3/E3

Transmit

LIU

TXPn

DS3 / E3

Transmit

Formatter

B3ZS/

HDB3

Encoder

TXNn

Tx Packet

Processor

TDMn

Framer Diagnostic

Loopback

Line Facility Loopbac

System Interface

Loopback

Framer Payload

Loopback

LLine Terminal

Loopback

Trail

Trace

Buffer

HDLC

FEAC

BERT

RSCLK

RADR

[

4:0

]

RDATA

[

31:0

]

RPRTY*

REN*

RPX

RDXA

[

4:1

]

RSOX

REOP

RSX

RVAL

RMOD

[

1:0

]

RERR

FIFO

Rx Packet

Processor

DS3/E3

Receive

LIU

DS3 / E3

Receive

Framer

B3ZS/

HDB3

Decoder

RXPn

PLCP/FRAC

Framer

Rx Cell

Processor

RXNn

Microprocessor

Interface

IEEE P1149.1

JTAG Test

Access Port

Clock Rate

Adapter

n = port #

CLK

CLKB

RDATn

RDENn / RGCLKn

RSOFn

RLCLKn

RPOHn

RPOHGCLKn

RPOHSOFn

8KREFO

ROHn

ROHGCLKn

ROHSOFn

JTDO

JTDI

JTCL

JTRST*

JTMS

RECU

REFCL

ALE

CS*

RD*/DS*

WR*/ R/W*

MOT

RST*

INT*

PIOAn

PIOBn

[

15:0

]

[

9:0

]

2 APPLICATIONS

• Access Concentrators

• Multi-Service Access Platforms

• ATM and Frame Relay Equipment

• Routers and Switches

• SONET/SDH ADM

• SONET/SDH Muxes

• PBXs

• Digital Cross Connect

• PDH Multiplexer/Demultiplexer

• Test Equipment

The following figures, Figure 2-1 and Figure 2-2, show applications for DS3184 as four port

unchannelized ATM and packet T3/E3 line cards, respectively.

1 2 3 4 5 6 7 8 9 ... 12 13

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