ADSP-21MOD980N-210_技术文档

MultiPort Internet

Gateway Processor

a

ADSP-21mod980N-210

Preliminary Technical Data

ADSP-21MOD980N-210 FEATURES

High Density

Start-Up Procedures

ITU-T V.8

16 Integrated Modem Channels in a Single Device

(includes datapump and controller functions)

35mm Plastic Ball Grid Array Package

On-device DS0/DS1 Interface

Full Function DMA Port

No External Memory Required

Over 8 Modem Channels per Square Inch

Low Power

ITU-T V.8bis

Data Compression

ITU-T V.42bis & MNP Class 5

FAX Modem

ITU-T V.17: 14,400, 12,000, 9,600 and 7,200 bps

ITU-T V.29: 9,600 bps, 7,200 bps & 4,800 bps

ITU-T V.27ter: 4,800 bps, 2,400 bps

ITU-T V.21 Channel 2: 300 bps

Fax Modem Protocols

480 mW Typical Active (30 mW per channel)

1.9 Volts nominal (internally)

DATA Modulations

ITU-T T.30

Group 3, Class 2.0

ITU-T V.90: 56,000 bps – 28,000 bps

K56Flex™: 56,000 bps – 32,000 bps

ITU-T V.34: 33,600 bps – 2,400 bps

ITU-T V.32bis: 14,400 bps – 7,200 bps

ITU-T V.32: 9,600 bps, 4,800 bps

ITU-T V.23: 75 bps/ 1,200 – 600 bps

ITU-T V.22/V.22bis: 2400, 1200, 600 bps

ITU-T V.21: 300 bps

ISDN B-Channel HDLC

ITU-T V.120

ITU-T V.110

PPP Asynchronous Framing Support (RFC 1662)

Fully Upgradeable RAM-Based Architecture

Fast Download

Full Image in 5 ms

High Speed 16-Bit Port Link Bus Provides Simple

Interface Between Host and Modem Pool

Instruction Executes at 80 MHz

Optional Capability and Extensions Available

Bell 212A: 1200 bps

Bell 103: 300 bps

Error Correction

ITU-T V.42, LAPM & MNP 2 - 4

Functional Block Diagram

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This information applies to a product under development. Its characteristics One Technology Way, P.O.Box 9106, Norwood, MA 02062-9106, U.S.A.

and specifications are subject to change without notice. Analog Devices

assumes no obligation regarding future manufacturing unless otherwise

agreed to in writing.

Tel:781/329-4700

Fax:781/326-8703

World Wide Web Site: http://www.analog.com

©Analog Devices,Inc., 2001

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For current information contact Analog Devices at (781) 461-3881

ADSP-21mod980N-210

September 2001

GENERAL NOTE

Supported System Architectures

This data sheet provides preliminary information for the

ADSP-21mod980N-210 Multiport Internet Gateway

Processor Solution.

The ADSP-21MOD980N-210 Multiport Internet

GatewayProcessorsupportstwosystemarchitectures:serial

TelcoPCMTDMdata streamandparallel TelcoPCMdata

stream. The two architectures are differentiated by the

method of proving Telco PCM data to the DSP Modem.

GENERAL DESCRIPTION

The ADSP-21MOD980N-210 is a sixteen-channel

solution intended for remote access server and remote

access concentrator applications. It combines a highly inte-

gratedDSPprocessor withdownloadablesoftware. All data

pump and controller functions are implemented on a single

1.9-square-inch device. This modem package allows the

highest modem port density while achieving the lowest

power consumption in a software upgradeable platform.

Serial Telco PCM TDM Data Stream Architecture

The serial Telco PCM TDM data stream architecture,

shown in Figure 1 on page 3, is the most common architec-

ture. In this architecture, the modem pool may have a local

Telco interface that provides a serial TDM data stream of

Telco PCM data to the DSP through the DSP’s Serial Port.

You can connect up to 24/32DSPs, through the Serial Port,

to a 24-/32-channel serial TDM data stream.

The ADSP-21MOD980N-210 is designedfor high-density

systems such as remote access servers, see the functional

block diagram on page 1. Its high performance DSP core,

large on-device SRAM, TDM serial port and 16-bit DMA

port provide efficient control and data communication with

minimal device count. The modem software provides a

numberofdatamodulations,suchasV.90,K56flex™,V.34,

and ISDN with a software upgrade path to future standards

and new applications, such as voice over network. The host

interface allows system access to modem statistics such as

call progress, connect speed and modulation parameters

such as retrain count and symbol rate.

Parallel Telco PCM Data Stream Architecture

The parallel Telco PCMdatastreamarchitecture, shownin

Figure 2 on page 3, provides a single bus interface for all

data and control. In this architecture, the modem pool may

have a remote Telco interface that provides a parallel data

stream of Telco PCM data to the DSP through the DSP’s

DMAPort.AnarbitrarynumberofDSPscanbeconnected,

through the DMA Port, to a Host that provides the parallel

data stream.

Note: The number of parallel DSPs is limited only by the

software loading constraints on the Host.

On-device RAM

Software Interface

The ADSP-21MOD980N-210 processor integrates 16 M

bits of on-device memory. The modem datapump and con-

troller software, as well as data storage, are contained in the

on-device RAM. The RAM cells are designed by Analog

Devices. These cells are optimized for high speed digital

signal processing and low power consumption.

Analog Devices provides sample C code for the software

inter-face to the ADSP-21MOD980N-210. The software

interface includes the following four areas—download,

control interface, data interface and modem statistics.

Download

The DMA Port on the ADSP-21MOD980N-210 contains

an auto-incrementing address generator. The host writes

the starting address of the transfer and then writes the first

word of data.

You can dynamically configure the

ADSP-21MOD980N-210withsoftwarethroughthe16-bit

DMA interface.

DMA Interface

After the first write, the DMA address generator automati-

cally increments; the host writes the next data word and the

DMA transfers that word to the next location in

ADSP-21MOD980N-210 memory.

The 16-bit internal DMA port (DMA Port) provides trans-

parent, direct access to the on-device RAM of the

ADSP-21MOD980N-210 processor. This high speed

access to on-device memory simplifies control and data

communication and system debug. Use the 16-bit DMA

interface to dynamically configure the

The executable image contains code and data that must be

loaded into program and data memory. Program memory

on the ADSP-21MOD980N-210 is 24 bits wide, therefore

two transfers are used to load each word of program

memory.

ADSP-21MOD980N-210 with software.

Serial Ports

The ADSP-21MOD980N-210 processor incorporates two

complete synchronous, double-buffered serial ports for

serial communications. Theserial ports interfacedirectly to

a time-division multiplexed (TDM) 1544 kbps (T1) or

2048kbps(E1)serialstream,toan8Ksample/sdatastream,

or to an 8-bit companded (64 kb/s) data stream(DS0). The

serial ports operate under modem software control.

The host begins the download by asserting the RESET pin

of the ADSP-21MOD980N-210. The host then transfers

all code and data. All internal memory can be loaded in 5

ms.

This information applies to a product under development. Its characteristics and specifications are subject to change with-

out notice. Analog Devices assumes no obligation regarding future manufacturing unless otherwise agreed to in writing.

2

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September

ADSP-21mod980N-210

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Figure 1. Serial Telco PCM TDM Data Stream Architecture for Dual Channel (-210) Software

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Control Interface

Data Interface

The ADSP-21MOD980N-210 is controlled through two

FIFOs in DSP memory. The host sends a control event by

writing to the host-to-modem FIFO. The

ADSP-21MOD980N-210 posts events to the host by

writing into the modem-to-host FIFO.

All data transferred to and from the ADSP 21mod970-110

passes through word FIFOs located in internal memory on

the ADSP-21MOD980N-210. The FIFOs are accessed

through a control structure that contains a pointer to the

start of the FIFO in memory, the length of the FIFO in

This information applies to a product under development. Its characteristics and specifications are subject to change with-

out notice. Analog Devices assumes no obligation regarding future manufacturing unless otherwise agreed to in writing.

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ADSP-21mod980N-210

September 2001

Table 1. Shell Status (Continued)

16-bit words, a pointer to the next address to be read, and

apointertothenextaddresstobewritten. Thetransmitand

receive FIFOs are 1024 bytes deep.

Reference #

Function

Example code providing primitives for accessing the

byte-FIFOs is available from Analog Devices. Figure 3 on

page 4 shows an example of a data FIFO.

SHS. 5

SHS. 6

SHS. 7

SHS. 8

Sport Port Tx Time Slot Mask Low

Sport Port Tx Time Slot Mask High

Sport Port Rx Time Slot Mask Low

Sport Port Rx Time Slot Mask High

Table 2. Data Modem Status

Base:

empty

Reference #

Function

RD_ptr -->

Valid Word

empty

DMS. 0

DMS. 1

DMS. 2

DMS. 3

DMS. 4

DMS. 5

DMS. 6

DMS. 7

DMS. 8

DMS. 9

DMS. 10

DMS. 11

DMS. 12

DMS. 13

DMS. 14

DMS. 15

DMS. 16

Data Modulation State

SNR MSE Measure

Rx Level dBm

Threshold

WR_ptr -->

empty

Maximum

Size

empty

Tx Level dBm

empty

Tx V.34 Symbol Rate

Rx V.34 Symbol Rate

Round Trip Delay

Telemetry Data Update

Constellation X

empty

unused

Constellation Y

Variable 2 X Pointer

Variable 2 Y Pointer

Variable 3 X Pointer

Variable 3 Y Pointer

Variable 4 X Pointer

Variable 4 Y Pointer

Figure 3. FIFO Example

Modem Statistics

Several modemstatisticscanbegatheredthroughtheDMA

Port. These statistics include call status, modulation in use,

connect rate, transmit and receive data rate, symbol rate,

retrain count, rate renegotiation count and others. Table 1

on page 4 through Table 4 on page 6 contain a complete

listing of available modem statistics.

Data Modulation Monitor

Retrain Local Count

Table 1. Shell Status

DMS. 17

DMS. 18

DMS. 19

DMS. 20

Data Modulation Monitor

Retrain Remote Count

Reference #

Function

SHS. 0

SHS. 1

SHS. 2

SHS. 3

SHS. 4

Product Number

Data Modulation Monitor

Retrain Auto Count

Application Version

Application Type

Data Modulation Monitor

Renegotiate Local Count

Programmable Flag Data

Sport Port Control

Data Modulation Monitor

Renegotiate Remote Count

This information applies to a product under development. Its characteristics and specifications are subject to change with-

out notice. Analog Devices assumes no obligation regarding future manufacturing unless otherwise agreed to in writing.

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ADSP-21mod980N-210

Table 2. Data Modem Status (Continued)

Reference #

Function

Reference #

Function

DMS. 21

Data Modulation Monitor

Renegotiate Auto Count

DMS. 47

DMS. 48

DMS. 49

V.PCM Robbed Bit Mask

V.PCM Coding Law

V.110 Rate Mask

DMS. 22

DMS. 23

DMS. 24

DMS. 25

DMS. 26

DMS. 27

DMS. 28

DMS. 29

DMS. 30

DMS. 31

DMS. 32

DMS. 33

DMS. 34

Omc Carrier Family

Omc Disconnect Reason

Omc State

Table 3. Fax Modem Status

Reference #

Function

Omc Time

FMS. 0

FMS. 1

FMS. 2

FMS. 3

FMS. 4

FMS. 5

FMS. 6

FMS. 7

FMS. 8

FMS. 9

FMS. 10

FMS. 11

FMS. 12

FMS. 13

FMS. 14

FMS. 15

FMS. 16

FMS. 17

FMS. 18

FMS. 19

FMS. 20

FMS. 21

FMS. 22

FMS. 23

FMS. 24

Remote Image Resolution Code

Remote Data Rate Signaling Mask

Remote Page Width Code

Remote Page Length Code

Remote Data Compression Code

Remote ECM Capability

Remote ECM Frame Size

Remote Binary File Tx Capability

Remote Scan Line Duration Code

Remote Receive Capability

Remote Request for Poll

Remote ID Array

Omc Idle Time Start

Omc Data Protocol Time Start

Omc Initial Rx Data Rate

Omc Current Rx Data Rate

Omc Initial Tx Data Rate

Omc Current Tx Data Rate

Data Protocol

Data Protocol Compression

Data Protocol Rx HDLC Error Frame

Count

DMS. 35

DMS. 36

DMS. 37

DMS. 38

Data Protocol Rx HDLC Frame Count

Data Protocol Tx HDLC Frame Count

Data Protocol Tx Data Frame Count

Remote ID Received Indication

Negotiated Image Resolution Code

Negotiated Data Rate Mask

Negotiated Page Width Code

Negotiated Page Length Code

Reserved

Data Protocol Tx Data Frame

Retransmit Count

DMS. 39

DMS. 40

Data Protocol Rx Data Frame Count

Data Protocol Rx Data Frame Missing

Count

DMS. 41

DMS. 42

DMS. 43

Data Protocol Rx Data Frame

Retransmit Count

Negotiated ECM Mode

Negotiate ECM Frame Size

Reserved

Data Protocol Call Tx Data Compress-

ibility Metric

Data Protocol Call Rx Data Compress-

ibility Metric

Negotiated Scan Line Duration

Session Disconnect Reason

Rx PPM

DMS. 44

DMS. 45

DMS. 46

Data Protocol Call Tx Data Metric

Data Protocol Call Rx Data Metric

V.PCM Digital Attenuation

Page Tx Status

This information applies to a product under development. Its characteristics and specifications are subject to change with-

out notice. Analog Devices assumes no obligation regarding future manufacturing unless otherwise agreed to in writing.

REV. PrB

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ADSP-21mod980N-210

Table 3. Fax Modem Status (Continued)

Modem Configuration

The modem is configured by programming various param-

eters through the DMA Port. Table 5 on page 6 through

Table 8 on page 8 contain complete lists of modem config-

uration parameters.

Reference #

Function

FMS. 25

FMS. 26

FMS. 27

FMS. 28

FMS. 29

FMS. 30

FMS. 31

FMS. 32

FMS. 33

Reserved

Rx Image Line Count

Reserved

Table 5. Shell Parameters

Reference Function

Reserved

SHP. 0

SHP. 1

SHP. 2

SHP. 3

SHP. 4

SHP. 5

SHP. 6

SHP. 7

Serial Port Tx Time Slot

Serial Port Rx Time Slot

Serial Port Configuration

Programmable Flag Control

Programmable Flag Data

Host Interrupt Count

Overflow Lost Byte Count

Reserved

Table 4. Telephony Signaling Status

DTE Data FIFO Rx Timeout

DTE Big Endian Enable

Reference #

Function

TSS. 0

TSS. 1

TSS. 2

TSS. 3

TSS. 4

TSS. 5

TSS. 6

TSS. 7

TSS. 8

TSS. 9

TSS. 10

TSS. 11

TSS. 12

TSS. 13

TSS. 14

TSS. 15

Called Party Received Indicator

Calling Party Received Indicator

Current Receive Tone

Current Send Tone

Table 6. Data Modem Parameters

Reference

Function

DMP. 0

DMP. 1

DMP. 2

DMP. 3

DMP. 4

DMP. 5

DMP. 6

DMP. 7

DMP. 8

DMP. 9

DMP. 10

DMP. 11

DMP. 12

DMP. 13

DMP. 14

DMP. 15

DMP. 16

Originate Enable

Billing Delay Timer

Call Control Termination Reason

Called Party Digit Count

Called Party Digit Array

Calling Party Digit Count

Calling Party Digit Array

Calling Category

Connect Timer

Data Protocol Start Timer

Data Protocol Allowed Mask

Protocol Preferred Mask

Data Protocol Auto-Select Mask

Data Protocol Compression Mask

Binary Data Mode

Language Digit

Country Code

HDLC Operation Mode

Sync Mode

R2 Completion Code

ANSI Information Digit

DTMF Detector Status

MF Detector Status

MNP Block Mode

MNP Compression Mode

MNP Header Optimization

MNP Maximum Block Size

MNP Service Class

Disconnect Management Mode

This information applies to a product under development. Its characteristics and specifications are subject to change with-

out notice. Analog Devices assumes no obligation regarding future manufacturing unless otherwise agreed to in writing.

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ADSP-21mod980N-210

Table 6. Data Modem Parameters (Continued)

Reference

Function

Reference

Function

DMP. 17

DMP. 18

DMP. 19

DMP. 20

DMP. 21

DMP. 22

DMP. 23

DMP. 24

DMP. 25

DMP. 26

DMP. 27

DMP. 28

DMP. 29

DMP. 30

DMP. 31

DMP. 32

Disconnect Management Timer

Digital Data Modes

DMP. 46

DMP. 47

DMP. 48

V.120 Asynchronous Mode

Nominal V.8bis Tx Level

Cre V.8bis Tx level

Analog Modulation Modes

Pump Tone Tx Level

Table 7. Facsimile Modem Parameters

Pump Tx Level

Reference

Function

Pump V.34 Tx Level

FMP. 0

FMP. 1

FMP. 2

FMP. 3

Image Resolution Code

Data Signaling Rate mask

Page Width Code

Carrier Detect Duration

Carrier Loss Duration

Line Quality Monitor

Page Length Code

Modulation Options Mask

Data Modulation V.32 Rate Enable Mask

Data Modulation V.34 Rate Mask

V.PCM Maximum Tx Power

V.PCM Tx Power Reference Point

Modulation K56Flex™ Server Limit

FMP. 4

Reserved

FMP. 5

FMP. 6

FMP. 7

ECM Enable Control

ECM Frame Size

Reserved

FMP. 8

FMP. 9

Scan Line Duration

Rx Image Enable

K56Flex™ Modulation Tx Rate

Maximum

FMP. 10

FMP. 11

FMP. 12

FMP. 13

FMP. 14

FMP. 15

FMP. 16

FMP. 17

FMP. 18

FMP. 19

FMP. 20

FMP. 21

FMP. 22

FMP. 23

FMP. 24

Remote Poll Enable

Automatic Acknowledge Enable

Post Page Message

DMP. 33

K56Flex™ Modulation Tx Rate

Minimum

DMP. 34

DMP. 35

DMP. 36

DMP. 37

DMP. 38

DMP. 39

DMP. 40

DMP. 41

DMP. 42

DMP. 43

DMP. 44

DMP. 45

Reserved

Page Transfer Status

ECM Maximum Attempt Count

Local Identification Array

Local ID Enable

PPP Rx Mode Enable

PPP Tx Mode Enable

PPP Rx Detect Mode Enable

PPP Rx Async-Control-Character-Mask

PPP Tx Async-Control-Character-Mask

Event Code Filtering

Polling Local ID Array

Polling Local ID Enable

Local Non-Specific Frame Array

Local NSF Length

Status Code Filtering

Answer tone Length

Reserved

V.90 Data Rate Mask

High Speed Data Mode

Ignore Bad Frame Enable

CRP Frame Enable

V.110 Rate Mask

V.120 Operating Mode

This information applies to a product under development. Its characteristics and specifications are subject to change with-

out notice. Analog Devices assumes no obligation regarding future manufacturing unless otherwise agreed to in writing.

REV. PrB

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Table 8. Telephony Signaling Parameters (Continued)

Reference Function

Table 7. Facsimile Modem Parameters (Continued)

Reference

Function

FMP. 25

FMP. 26

FMP. 27

FMP. 28

FMP. 29

FMP. 30

FMP. 31

FMP. 32

FMP. 33

FMP. 34

FMP. 35

FMP. 36

FMP. 37

FMP. 38

FMP. 39

Tx Phase C Timeout Duration

Tx ECM Phase C Timeout Duration

Rx Phase C Timeout Duration

Rx ECM Phase C Timeout Duration

Tx ECM RR/RNR Timeout Duration

Rx ECM RR/RNR Timeout Duration

High Speed Timeout Duration

Delete Adjacent EOL Enable

Ignore Until First EOL

TSP. 13

TSP. 14

TSP. 15

TSP. 16

TSP. 17

TSP. 18

TSP. 19

MF Digit Duration

MF Tone off Duration

MF Non-digit Duration

Calling Party Send Enable

Called Party Maximum Digit Count

Calling Party Maximum Digit Count

Backward MF Generation Translation

Table

TSP. 20

TSP. 21

TSP. 22

Backward MF Group B Generation Trans-

lation Table

Strip Leading Eol

Backward MF Interpretation Translation

Table

Ensure Leading Eol

Backward MF Group B Interpretation

Translation Table

Ensure Final EOL

Append Final RTC

TSP. 23

TSP. 24

Forward MF Generation Translation Table

Align EOL Code Enable

Forward MF Group II Generation Trans-

lation Table

Strip Fill Enable

TSP. 25

TSP. 26

Forward MF Interpretation Translation

Table

Table 8. Telephony Signaling Parameters

Reference Function

Forward MF Group II Interpretation

Translation Table

TSP. 0

TSP. 1

TSP. 2

TSP. 3

TSP. 4

TSP. 5

TSP. 6

TSP. 7

TSP. 8

TSP. 9

TSP. 10

TSP. 11

TSP. 12

DTMF Dial Digit

TSP. 27

TSP. 28

TSP. 29

TSP. 30

TSP. 31

TSP. 32

TSP. 33

TSP. 34

TSP. 35

TSP. 36

TSP. 37

TSP. 38

TSP. 39

MF Digit

DTMF Tone on Duration

DTMF Tone off Duration

DTMF Low Tone Level

DTMF High Tone Level

Call Control Signaling Type

Call Control Flags

MF Low Tone Level

MF High Tone Level

MF Tone On Time

MF Tone Off Time

Called Party Digit Count

Called Party Digit Array

Calling Party Digit Count

Calling Party digit Array

Calling Category

Pre-Dialing Call Progress Wait Mask

Post-Dialing Call Progress Wait Mask

Address Timeout Duration

Digit Timeout Duration

MF High Tone Power level

MF Low Tone Power level

Language Digit

Country Code

ANSI Information Digit

This information applies to a product under development. Its characteristics and specifications are subject to change with-

out notice. Analog Devices assumes no obligation regarding future manufacturing unless otherwise agreed to in writing.

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ADSP-21mod980N-210

OUTLINE DIMENSIONS – 352 PLASTIC BALL GRID ARRAY

All dimensions shown in millimeters.

352 PBGA 35 x 35 mm Body, 1.27 Pitch Package Outline

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ORDERING GUIDE

Package Part Number

Description

Package Description

Package Option

ADSP-21mod980N-210 640 MIPS DSP

with Modem Software License

352 Plastic Ball Grid Array 352-Ball PBGA


型号：	ADSP-21MOD980N-210
厂家：	ETC
描述：	ADSP-21mod980N-210: MultiPort Internet Gateway Processor Preliminary Data Sheet (Rev. PrB. 9/01) ADSP- 21mod980N -210 ：多端口网络网关处理器初步数据表（版本PRB 9/01 ）。\n 栅
文件：	总10页 (文件大小：168K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

ADSP-21MOD980N-210 [ETC]

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