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a preliminary technical data multiport internet gateway processor this information applies to a product under development. its characteristics and specifications are subject to change without notice. analog devices assumes no obligation regarding future manufacturing unless otherwise agreed to in writing. one technology way, p .o.box 9106, norwood, ma 02062-9106, u.s.a. tel:781/329-4700 world wide web site: http://www.analog.com fax:781/326-8703 ?analog devices,inc., 2001 rev. prb ADSP-21MOD980N-210 ADSP-21MOD980N-210 features high density 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 480 mw typical active (30 mw per channel) 1.9 volts nominal (internally) data modulations 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 bell 212a: 1200 bps bell 103: 300 bps error correction itu-t v.42, lapm & mnp 2 - 4 start-up procedures itu-t v.8 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 itu-t t.30 group 3, class 2.0 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 functional block diagram

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for current information contact analog devices at (781) 461-3881 ADSP-21MOD980N-210 september 2001 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 rev. prb %"!!%1 $&!$" general note this data sheet provides preliminary information for the ADSP-21MOD980N-210 multiport internet gateway processor solution. 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- grated dsp processor with downloadable software. 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. the ADSP-21MOD980N-210 is designed for 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 number of data modulations, such as v.90, k56 flex ? , 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. on-device ram 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. you can dynamically configure the ADSP-21MOD980N-210 with software through the 16-bit dma interface. dma interface 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 ADSP-21MOD980N-210 with software. serial ports the ADSP-21MOD980N-210 processor incorporates two complete synchronous, double-buffered serial ports for serial communications. the serial ports interface directly to a time-division multiplexed (tdm) 1544 kbps (t1) or 2048 kbps (e1) serial stream, to an 8k sample/s data stream, or to an 8-bit companded (64 kb/s) data stream (ds0). the serial ports operate under modem software control. supported system architectures the ADSP-21MOD980N-210 multiport internet gateway processor supports two system architectures: serial telco pcm tdm data stream and parallel telco pcm data stream. the two architectures are differentiated by the method of proving telco pcm data to the dsp modem. 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 24/32 dsps, through the serial port, to a 24-/32-channel serial tdm data stream. parallel telco pcm data stream architecture the parallel telco pcm data stream architecture, shown in 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 dma port. an arbitrary number of dsps can be connected, 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. software interface 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. 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 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. 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. 3 rev. prb for current information contact analog devices at (781) 461-3881 ADSP-21MOD980N-210 september %"!!%1 $&!$" control 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. data interface 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 figure 1. serial telco pcm tdm data stream architecture for dual channel (-210) software figure 2. parallel telco pcm data stream architecture for dual channel (-210) software '( )*+ '( )*+ '( )*+ '( )*+
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for current information contact analog devices at (781) 461-3881 ADSP-21MOD980N-210 september 2001 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. 4 rev. prb %"!!%1 $&!$" 16-bit words, a pointer to the next address to be read, and a pointer to the next address to be written. the transmit and receive fifos are 1024 bytes deep. 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. modem statistics several modem statistics can be gathered through the dma 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. figure 3. fifo example table 1. shell status reference # function shs. 0 product number shs. 1 application version shs. 2 application type shs. 3 programmable flag data shs. 4 sport port control base: rd_ptr --> wr_ptr --> empty empty empty empty empty unused valid word valid word valid word valid word valid word empty empty empty empty empty empty unused unused unused unused unused unused unused maximum size threshold shs. 5 sport port tx time slot mask low shs. 6 sport port tx time slot mask high shs. 7 sport port rx time slot mask low shs. 8 sport port rx time slot mask high table 2. data modem status reference # function dms. 0 data modulation state dms. 1 snr mse measure dms. 2 rx level dbm dms. 3 tx level dbm dms. 4 tx v.34 symbol rate dms. 5 rx v.34 symbol rate dms. 6 round trip delay dms. 7 telemetry data update dms. 8 constellation x dms. 9 constellation y dms. 10 variable 2 x pointer dms. 11 variable 2 y pointer dms. 12 variable 3 x pointer dms. 13 variable 3 y pointer dms. 14 variable 4 x pointer dms. 15 variable 4 y pointer dms. 16 data modulation monitor retrain local count dms. 17 data modulation monitor retrain remote count dms. 18 data modulation monitor retrain auto count dms. 19 data modulation monitor renegotiate local count dms. 20 data modulation monitor renegotiate remote count table 1. shell status (continued) reference # function
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. 5 rev. prb for current information contact analog devices at (781) 461-3881 ADSP-21MOD980N-210 september %"!!%1 $&!$" dms. 21 data modulation monitor renegotiate auto count dms. 22 omc carrier family dms. 23 omc disconnect reason dms. 24 omc state dms. 25 omc time dms. 26 omc idle time start dms. 27 omc data protocol time start dms. 28 omc initial rx data rate dms. 29 omc current rx data rate dms. 30 omc initial tx data rate dms. 31 omc current tx data rate dms. 32 data protocol dms. 33 data protocol compression dms. 34 data protocol rx hdlc error frame count dms. 35 data protocol rx hdlc frame count dms. 36 data protocol tx hdlc frame count dms. 37 data protocol tx data frame count dms. 38 data protocol tx data frame retransmit count dms. 39 data protocol rx data frame count dms. 40 data protocol rx data frame missing count dms. 41 data protocol rx data frame retransmit count dms. 42 data protocol call tx data compress- ibility metric dms. 43 data protocol call rx data compress- ibility metric dms. 44 data protocol call tx data metric dms. 45 data protocol call rx data metric dms. 46 v.pcm digital attenuation table 2. data modem status (continued) reference # function dms. 47 v.pcm robbed bit mask dms. 48 v.pcm coding law dms. 49 v.110 rate mask table 3. fax modem status reference # function fms. 0 remote image resolution code fms. 1 remote data rate signaling mask fms. 2 remote page width code fms. 3 remote page length code fms. 4 remote data compression code fms. 5 remote ecm capability fms. 6 remote ecm frame size fms. 7 remote binary file tx capability fms. 8 remote scan line duration code fms. 9 remote receive capability fms. 10 remote request for poll fms. 11 remote id array fms. 12 remote id received indication fms. 13 negotiated image resolution code fms. 14 negotiated data rate mask fms. 15 negotiated page width code fms. 16 negotiated page length code fms. 17 reserved fms. 18 negotiated ecm mode fms. 19 negotiate ecm frame size fms. 20 reserved fms. 21 negotiated scan line duration fms. 22 session disconnect reason fms. 23 rx ppm fms. 24 page tx status table 2. data modem status (continued) reference # function
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. 6 rev. prb for current information contact analog devices at (781) 461-3881 ADSP-21MOD980N-210 september %"!!%1 $&!$" 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. fms. 25 reserved fms. 26 rx image line count fms. 27 reserved fms. 28 reserved fms. 29 overflow lost byte count fms. 30 reserved fms. 31 reserved fms. 32 reserved fms. 33 reserved table 4. telephony signaling status reference # function tss. 0 called party received indicator tss. 1 calling party received indicator tss. 2 current receive tone tss. 3 current send tone tss. 4 call control termination reason tss. 5 called party digit count tss. 6 called party digit array tss. 7 calling party digit count tss. 8 calling party digit array tss. 9 calling category tss. 10 language digit tss. 11 country code tss. 12 r2 completion code tss. 13 ansi information digit tss. 14 dtmf detector status tss. 15 mf detector status table 3. fax modem status (continued) reference # function table 5. shell parameters reference function shp. 0 serial port tx time slot shp. 1 serial port rx time slot shp. 2 serial port configuration shp. 3 programmable flag control shp. 4 programmable flag data shp. 5 host interrupt count shp. 6 dte data fifo rx timeout shp. 7 dte big endian enable table 6. data modem parameters reference function dmp. 0 originate enable dmp. 1 billing delay timer dmp. 2 connect timer dmp. 3 data protocol start timer dmp. 4 data protocol allowed mask dmp. 5 protocol preferred mask dmp. 6 data protocol auto-select mask dmp. 7 data protocol compression mask dmp. 8 binary data mode dmp. 9 hdlc operation mode dmp. 10 sync mode dmp. 11 mnp block mode dmp. 12 mnp compression mode dmp. 13 mnp header optimization dmp. 14 mnp maximum block size dmp. 15 mnp service class dmp. 16 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. 7 rev. prb for current information contact analog devices at (781) 461-3881 ADSP-21MOD980N-210 september %"!!%1 $&!$" dmp. 17 disconnect management timer dmp. 18 digital data modes dmp. 19 analog modulation modes dmp. 20 pump tone tx level dmp. 21 pump tx level dmp. 22 pump v.34 tx level dmp. 23 carrier detect duration dmp. 24 carrier loss duration dmp. 25 line quality monitor dmp. 26 modulation options mask dmp. 27 data modulation v.32 rate enable mask dmp. 28 data modulation v.34 rate mask dmp. 29 v.pcm maximum tx power dmp. 30 v.pcm tx power reference point dmp. 31 modulation k56flex? server limit dmp. 32 k56flex? modulation tx rate maximum dmp. 33 k56flex? modulation tx rate minimum dmp. 34 reserved dmp. 35 ppp rx mode enable dmp. 36 ppp tx mode enable dmp. 37 ppp rx detect mode enable dmp. 38 ppp rx async-control-character-mask dmp. 39 ppp tx async-control-character-mask dmp. 40 event code filtering dmp. 41 status code filtering dmp. 42 answer tone length dmp. 43 v.90 data rate mask dmp. 44 v.110 rate mask dmp. 45 v.120 operating mode table 6. data modem parameters (continued) reference function dmp. 46 v.120 asynchronous mode dmp. 47 nominal v.8bis tx level dmp. 48 cre v.8bis tx level table 7. facsimile modem parameters reference function fmp. 0 image resolution code fmp. 1 data signaling rate mask fmp. 2 page width code fmp. 3 page length code fmp. 4 reserved fmp. 5 ecm enable control fmp. 6 ecm frame size fmp. 7 reserved fmp. 8 scan line duration fmp. 9 rx image enable fmp. 10 remote poll enable fmp. 11 automatic acknowledge enable fmp. 12 post page message fmp. 13 page transfer status fmp. 14 ecm maximum attempt count fmp. 15 local identification array fmp. 16 local id enable fmp. 17 polling local id array fmp. 18 polling local id enable fmp. 19 local non-specific frame array fmp. 20 local nsf length fmp. 21 reserved fmp. 22 high speed data mode fmp. 23 ignore bad frame enable fmp. 24 crp frame enable table 6. data modem parameters (continued) reference function
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. 8 rev. prb for current information contact analog devices at (781) 461-3881 ADSP-21MOD980N-210 september %"!!%1 $&!$" fmp. 25 tx phase c timeout duration fmp. 26 tx ecm phase c timeout duration fmp. 27 rx phase c timeout duration fmp. 28 rx ecm phase c timeout duration fmp. 29 tx ecm rr/rnr timeout duration fmp. 30 rx ecm rr/rnr timeout duration fmp. 31 high speed timeout duration fmp. 32 delete adjacent eol enable fmp. 33 ignore until first eol fmp. 34 strip leading eol fmp. 35 ensure leading eol fmp. 36 ensure final eol fmp. 37 append final rtc fmp. 38 align eol code enable fmp. 39 strip fill enable table 8. telephony signaling parameters reference function tsp. 0 dtmf dial digit tsp. 1 dtmf tone on duration tsp. 2 dtmf tone off duration tsp. 3 dtmf low tone level tsp. 4 dtmf high tone level tsp. 5 call control signaling type tsp. 6 call control flags tsp. 7 pre-dialing call progress wait mask tsp. 8 post-dialing call progress wait mask tsp. 9 address timeout duration tsp. 10 digit timeout duration tsp. 11 mf high tone power level tsp. 12 mf low tone power level table 7. facsimile modem parameters (continued) reference function tsp. 13 mf digit duration tsp. 14 mf tone off duration tsp. 15 mf non-digit duration tsp. 16 calling party send enable tsp. 17 called party maximum digit count tsp. 18 calling party maximum digit count tsp. 19 backward mf generation translation ta b l e tsp. 20 backward mf group b generation trans- lation table tsp. 21 backward mf interpretation translation ta b l e tsp. 22 backward mf group b interpretation translation table tsp. 23 forward mf generation translation table tsp. 24 forward mf group ii generation trans- lation table tsp. 25 forward mf interpretation translation ta b l e tsp. 26 forward mf group ii interpretation translation table tsp. 27 mf digit tsp. 28 mf low tone level tsp. 29 mf high tone level tsp. 30 mf tone on time tsp. 31 mf tone off time tsp. 32 called party digit count tsp. 33 called party digit array tsp. 34 calling party digit count tsp. 35 calling party digit array tsp. 36 calling category tsp. 37 language digit tsp. 38 country code tsp. 39 ansi information digit table 8. telephony signaling parameters (continued) reference function
%"!!%1 $&!$" 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. 9 rev. prb for current information contact analog devices at (781) 461-3881 ADSP-21MOD980N-210 september outline dimensions ? 352 plastic ball grid array all dimensions shown in millimeters. ordering guide related documents for further information see the adsp-21mod980n multiport internet gateway processor data sheet and adsp-21mod8xx-110/210 universal digital port application programming interface (api) document revision 2.02. 352 pbga 35 x 35 mm body, 1.27 pitch package outline 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 !" , !3 , $
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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. 10 rev. prb for current information contact analog devices at (781) 461-3881 ADSP-21MOD980N-210 september %"!!%1 $&!$"

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