
                   D S 2 2 4 5
                Soft  Modem  Stik

-----------
-Bell 212A/103  CCITT V.22bis/V.22/V.21
-  㯫  2400, 1200  300 /ᥪ
-  - 
-FCC Part-68 ॠ⮢, ᯮ w/DS2249 DAA
-० ⥫㦨 ᪠ १㧪/ᯥ஢
 DS2250 Soft microcontroller Stik
-  ⤠   樨  ᭮
 ஬
-   DTMF ⮭ 뫪
-० ⮮⢥  ⠭ ᮥ
-ࠫ ᮥ 䥩  ᮭ ஬
  㣨 設
-९ணࠬ஢  ஥ ७
-⠭ +5 
-  ⠭ ॡ  400 
-।쭮  䠪 ନ஢
-奬 ᮥ  30 ३ SIMM

 
------------------------

DS2245-12U       ⮫쪮  1200  /ᥪ  
DS2245-24                2400  /ᥪ

 
Ŀ
 1      CP.2      11      D1        21    AIN       
 2      CP.1      12      VCC       22    NC        
 3      OH        13      D0        23    A2        
 4      RI        14      GND       24    A1        
 5      SPEN      15      CS        25    A0        
 6      CP.3      16      D7        26    OUT1      
 7      CP.0      17      D6        27    UR        
 8      D4        18      WR        28    AOUT      
 9      D3        19      D5        29    INT       
10      D2        20      RD        30    PROG      


E 
------- 
DS2245 Soft Modem Stik  ⥬   , ࠧ
 2400/1200/300 /ᥪ  , ꥤ  DS2249 DAA. DS2245-24
ন V.22bis,V.22 ,V.21 ⠪    Bell 212A  103. DS2245-12U -
 ⮫쪮   ⠭ Bell.⥫쭮  ஬諥-⠭-
  -⨯,DS2245 ந ஢ 室 ⮭ 뫮
DTMF.  ᭮ ⥬     ⤠ 㧫,
஬  . ० leservicing  業ࠫ쭮
㭪   ⤠ ⥬  ஢,।஢, १-
 ᮤঠ  ணࠬ/ ⮩ ⥬.DS2245  
஥ ਬ,  䥪⨢  ਬ  譥 , 
 ⥫   .
                                                 ⠡  1

             
Ŀ
뢮#      /   ᠭ                                         
Ĵ
  1       .2    /  .0-3  㭪樮묨 뢮 - 
                       ࠢ  DS2245. ᨬ  ०, - 
                        㦨 ࠧ 㭪. 㬬஢   
                       ⠡ 10  ᠭ  ⥪..2 筮 ᯮ- 
                         譥  ࠢ ஢ ஬ 
                         ० ⥫㦨, 㦨  -
                        ਥ ᫥⥫쭮 (RXD),   
                       易  uC ᫥⥫쭮 TXD.                
  2       CP.1   뢮 .1 ।ᬠਢ  㭪  ।-  
                       饭 䫨. ᯮ  ᨣ - 
                         ० Teleservicing. ⨢樨,    
                       ᨣ ᯮ  ⨢樨 uC ᠬ-  
                       .                                               
  3            뢮  㡪.ᯮ  ࠢ ५   
                       ꥬ 㡪 DAA.                               


                                    2
Ŀ
  4       RI         . ஢  ⮬ 뢮   
                        뢠, 楢 ᨣ      
                        ⥫䮭 . ᨣ ।ᬠਢ   
                         DS2249 DAA.                                  
  5      SPEN       ࠧ஢ .⠭  뢮    
                         ᮪ ஢,ࠧ .2  .3    
                         ࠢ ஬.                         
  6      CP.3     /    ᨬ  ०, .3 㦨 ࠧ   
                        㭪..3 筮 ᯮ  譥   
                        ࠢ ஢ ஬. ० Teleservi- 
                        sing, 㦨 뢮 ।  c-  
                        ⥫쭮 (TXD), 易  u ᫥- 
                        ⥫ RXD.                                 
  7     C.0      /   .0   㭪樨,⭮騥  ࠢ  
                        ஬. 砥 㬮砭, 뢮 ᯮ- 
                          室 ᨣ HOLD/PASS  ࠢ
                        䨪樥.    2 , ࠭ -
                         祭 ࠢ ஢ ஬ ࠳
                        ᫨ .0 㦠 ।쭮  ஢( 
                        짮⥫ ), 樠 ୠ⨢  
                        奬 ࠢ ஬. ० 易     
                        DS2249 DAA ,  ஥   
                        ࠢ ஬.                             
  8      D4      /    㭠ࠢ  4 設                 
  9      D3      /    㭠ࠢ  3 設                 
 10      D2      /    㭠ࠢ  2 設                 
 11      D1      /    㭠ࠢ  1 設                 
 12      VCC     室   ⠭ +5                                      
 13      D0      /    㭠ࠢ  0 設                 
 14      GND     室                                          
 15      CS      室   롮 奬.७  ࠧ஢  D0-7
                         CS 室   ஢.D0-7 ⠥
                         ६ ﭨﬨ, CS 室  ᮪
                        ஢.                                          
 16      D7      /    㭠ࠢ  7 設                 
 17      D6      /    㭠ࠢ  6 設                 
 18      WR      室   ஡騩  .ࠫ  
                        D0-7 뢠  DS2245 ७ UART ,
                         뢮 室   ஢  CS 
                         ⨢஢. 䨪  । 
                        ஭ WR.                                       
 19      D5      /    㭠ࠢ  5 設                 
 20      RD      室   ⥭/஡騩 .室  ஢-
                          ⮬ 뢮 ਢ  ⮬, ᮤঠ 
                        ७ UART ।  D0-7,  ⨢-
                        ஢  CS.                                       
 21      AIN     室    室 . 室 ਥ    
                        DS2245. 뢮 易   뢮    
                        DS2249 DAA.                                      
 22      NC              ।                                    
 23      2      室     2.    ⮢    
                        㯠  ७ UART.                      
 24      1      室     1                                   
 25      0      室     0                                   
 26      OUT1    室  UART OUT1. ஢ 室,  2   
                        ࠢ饣 ॣ  (MCR) ⠭   
                        1.室 饣 祭.  ⠪  
                          PROG  樠樨  ஥- 
                            ᭮ .                  
 27      UR      室    UART.᮪ ஢  ⮬ 뢮 -
                         ॣ UART    ⠡ 5.     
 28      AOUT    室   室.  室 
                          ।.筮   DS2249 Re- 
                        ceive AIN.                                       
 29      INT     室  뢮 뢠.뢠 ⨢ ᮪   
                        ஢,  ᮡ⨥  - 
                        ७ 뢠. ᨣ 室    
                        ﭨ,᫨ 뢠  ࠧ஢ - 
                        १ MCR.3  .                                     
 30      PROG    室   ஢ ணࠬ.DS2245  ਭ   
                         ஥ ,  뢮 ॢ-
                           ஢. ⠪ 㦨  -
                        ୮  ஫   .      


                                 3
 
---------------
DS2245 ࠢ ஬ ⠭⨧ ,   .
  뤠 ᭮ ஬ १ 䥩 ࠫ쭮 設.
 ࠫ 䥩  室 ஥ UART ன⢠.ॡ-
 ᮢ ᪮쪮 蠣,易  樠樥 ॣ஢ UART,-
 ॡ 砫 । 뤠祩 . 蠣  ᫥⥫-
 樠樨  ⠭ , ந ᭮ ஬.
 㬬  ⠡ 2  ஡ ᯨ뢠  ⠡ 3.砫,
  樠஢ ॣ  ࠢ.  
  ⭮ ᫮ ,  騬  ६ ⠭ ᠬ-
 襣  ॣ  ࠢ.⠭    㯠
  ᪮  ,ࠧ ॣࠬ 樨 ⥫ 
஬ 蠣.祭 樨 ⥫  ࠭ ᪮⥩    
⠡ 2 .ਬ, 祭 樨 ⥫ ࠢ 96,ॡ  
 ᪮  1200 /ᥪ.᫥ ⮣, ⠭  ⥫,ᠬ
訩   ॣ  ࠢ 㤥 饭.⥬,樠
ॣ ࠢ . 筮 ਢ  ⠭ DTR  RTS  ⨢
ﭨ  ࠧ஢ 뢠,᫨ ॡ.᫨ ᯮ 뢠-
, 樠 ॣ ஢ 뢠 ᮣ᭮ ॡ.
᫨ 뢠 ஢  ॣ ࠢ  ,⮣  뢮 INT
( 29 )  3 ﭨ.  ६, 㦥 ⮢  ਥ ASCII--
 .
 , ,⪫   ,஢ १ UART- 000.
 ᮬ ࠧ饭 ॣ  ਥ  ॣ ࠭ ।.
  ⥭ ஡ ᮢ ।,   㯥.
 ਥ ASCII- . ᯮ   ᨬ, ⮣
  .᫥ ⮣,      ᪮쪮 ,᫥
 ⪨. ਭ    ⮬ 浪,   -
.⪫ ⠪  ந室  ASCII  ᫥ ᫥  -
  ய᪠ ப.      -
 750  .   (ATZ),     2  .

 
---------------
DS2245 ন V.22bis ⠭ CCITT    2400 /ᥪ.⮪
V.22  । CCITT   1200 /ᥪ ,Bell 212A  ⠭⮬  ,
Bell ⠭  ।   300 /ᥪ. ᪮ ।-
  ᮣᮢ   襩 ᪮ ,   饬 
ঠ. CCITT/Bell । ⢥騬 .  㦨
 । ⮣,ᯮ   Bell  CCITT  ⢥   
1200  300 /ᥪ. 樠஢ UART,롨ࠥ ଠ ᫥⥫-
 .ଠ  , ন DS2245 ⠢ 7  8 ⮢
   ⮢ ⮬.   ⮬,⮬   ⭮.-
ࠥ   2 ⮯ .⠭⭮ 䨣樥  7S1,7M1,7E1,
7O1,8N1.

   UART
--------------------------------
 ஢  DS2245 १ ࠫ 䥩 UART.UART 㯥 8--
⮢ 設   ६ 묨 ﬨ. UART ࠢ ଠ⠬
  뢠ﬨ ,뢠     ய᪠   -
  ஫ . 2 뢠  ॣ UART.
樠 ,᪮   । १ ॣ 樨 -
⥫,   㯭  ࢮ ⠭ ᠬ 襣 
 ॣ  ࠢ (DLAB ).

                                                 ⠡ 2
                        UART
Ŀ
DLAB* A2 A1 A0                                     
Ĵ
 0    0  0  0   ॣ  ਥ                     
                ॣ ࠭ ।                 
 0    0  0  1   ஢ 뢠                  
     0  1  0   䨪 뢠                  
     0  1  1    ࠢ                       
     1  0  0   ࠢ                         
     1  0  1                               
     1  1  0                                 
     1  1  1   宯⨢                    
 1    0  0  0    訩  樨 ⥫       
 1    0  0  1    訩  樨 ⥫       

 *  DLAB  ⮬ 7 ॣ  ࠢ        

                             4                                  
                                                        ⠡  3
           UART

  ਥ/࠭ ।                         000

  ⠭  ய᪠      ஫  
 ਥ   ⪫  ஫ . ⮫쪮 UART ᪮䨣-
஢,   ஢ १  ॣ.

 ॣ ஢ 뢠                       001
  IER -Interrupt Enable Register

ᯥ稢 ᨬ ࠧ஢ 4 ࠧ 筨 뢠.
筨 뢠 ࠧ஢,  ᯮ  뢮 INT   ॣ
IIR.INT ⠢,    ࠧ஢ 뢠 ⠭ -
⨢. IER ⠥/뢠.

IER.0   ᮪ ஢ ࠧ 뢠 㯭 ਭ 
IER.1   ᮪ ஢ ࠧ 뢠 ⮣ ॣ 䨪樨
        ।
IER.2   ᮪ ஢ ࠧ 뢠   ਥ
IER.3   ᮪ ஢ ࠧ 뢠  
IER.4-7  ஢ 


 ॣ 䨪樨 뢠                       002
  IIR -Interrupt Identification Register

ᯥ稢  ᫮ ७ 뢠. CS 室  
஢, ॣ ࠦ ﭨ 뢠 襣 ਮ.
᫥⥫쭮 뢠 ,  뢠  㤥 -
.ਮ 㪠  ⠡ 4.  IIR  ⮫쪮 ⠥.

IIR.0   প 뢠.  頥  0 , 뢠 ন-
         .  室  ᮪ ஢,뢠  ন.
IIR.1-2 뢠 ID(䨪).  ஢  㪠 ⮣,
        筨  뢠  訬. 4 㪠뢠 ਮ-
          ஢.
IIR.3-7  0.

                                                 ⠡  4
             
 Ŀ
        IIR                                 
 Ĵ                                                     
    D2 D1 D0                                                       
 Ĵ
     0  0  1                                       
                                                                   
     1  1  0    訩      訡 -     ⥭       
                                㧪,訡-      LSR         
                            ਥ    ⭮                   
                                     訡 -                 
                                     ஢,-                  
                                     뢠 ࠧ뢠               
                                                                   
     1  0  0    ன                   ॣ       
                            ਥ    ਥ                 
                            㯭  㯭       ਥ        
                                                     ⥭        
                                                                   
     0  1  0    ⨩      ⮩   ⮩         ⥭         
                            ॣ  ॣ         IIR           
                            䨪樨 䨪樨                
                            ।稳 ।       ।       
                                                                   
     0  0  0    ⢥멳       ⪠        ⥭        
                                 -     ॣ      
                                       ⮢-           
                                       ⠭-           
                                                           
                                      楢                    
                                                          
                                      饩                      
                                                             
 

                                  5
ॣ  ࠢ                                011
  LCR - Line Control Register

। ଠ  ᫥⥫묨 ᨭ஭묨 묨.LCR ⠥-
/뢠.

LCR.0-1   ᫮. D0  D1 롨 ଠ .ন ⮫쪮
         7  8 .

                LCR.1      LCR.0
                1          0           7 
                1          1           8 

LCR.2    ᫮ ⮯ ⮢.᫨  2 ⠭  ᪨ 0,⮣ -
           ⮯ .᫨  2 ⠭   ,
           ⮯ .

LCR.3    ࠧ஢ ⭮. ⠭   1, ⭮
           ஫ .

LCR.4    롮 ⭮.᪨ 0   LCR.4 ந 롮 ⭮.-
         ᪠ 1 ந 롮 ⭮.

LCR.5    ⭮ .᫨ ⭮ ࠧ஢,⠭ ⮣  -
           ⮬,   DS2245 ⠭  ⭮   
         LCR.4 .

LCR.6    ࠧ ⠭.   ⠭   1  UART -
          ⠭ ᪨ 0  ᢮ 室. ﭨ ࠭,
          LCR.6  饭.

LCR.7     㯠 䨪樨 ⥫(DLAB -Divisor Latch Access Bit). DLAB
           ⠭   1  㯠  ॣࠬ 䨪樨
         ⥫  ᪮  .  室  ᪮
         0  㯠  ॣࠬ ਥ/।  ࠧ஢ 뢠.


ॣ ࠢ                                  100
  (MCR-Modem Control Register)

ࠢ 䥩ᮬ  ७ UART   DS2245. MCR -
/뢠.

MCR.0    ନ  ⮢(DTR -Data Terminal Ready). MCR.0 室-
            ᪮ 1,᪨ 室 DTR 室  ᪮ 0,
          ⨢. MCR.0 室  ᪮ 0, DTR 室 
         ᪮ 1, ⨢.

MCR.1     뫪 (RTS - Request TO Send). MCR.1 ⠭  -
          1,᪨ 室 RTS ⠭  ᪨ 0, -
         ⨢. MCR.1 ⠭  ᪨ 0, RTS ⠭  -
          1, ⨢.

MCR.2    OUT1. MCR.2 ⠭   ,᪨ 室
         OUT1 室  ᪮ 0, ⨢. MCR.2 ⠭ 
         ᪨ 0 , OUT1 室  ᪮ 1,  ⨢.

MCR.3    INT. MCR.3 ⠭   1,室 INT ࠧ஢,
          砩 ᮡ⨥ 뢠. MCR.3 ⠭  ᪨ 0,
         室 INT 室  -ﭨ.

MCR.4    LOOP ().MCR.4 ࠧ 쭮 殢뢠  -
         ᪮ ஢ 㭪樨 UART. ⠭ MCR.4 ,᫥-
         ⥫ 室 UART ⠭   1  ࠧꥤ ᫥-
         ⥫ 室 ਥ, ॣ ᤢ । ⭮ 殢 
         ॣ ᬥ饭 ਥ , 室 ࠢ   
          室 ࠢ .

MCR.5-7   0.


                                 101
 (LSR-Line Status Register)

ᯥ稢 ଠ,࠭ ७   設  UART,
UART   .LSR ⮫쪮 ⠥.

                                  6
LSR.0    ⮢.  ⠭, ਭ  ᨬ  -
        ।  ॣ  ਥ. LSR.0 頥  ⥭  ਥ.

LSR.1   訡 ९.뢠, ᨬ   ਥ  ⠥,
        । ⥬  ᫥騩 ᨬ ।  .  頥,-
         ⠥ LSR.

LSR.2   訡 ⭮. ⠭  ,ᨬ   ୮ -
        . 뢠 ,  ⠥ LSR.

LSR.3   訡 ஢.뢠, ਭ ᨬ   ୮
        ⮯ .

LSR.4   뢠 ࠧ뢠.뢠, ࠧ ਭ. ⮨  䨪-
        権 ਭ   ﭨ ᪮ 0   ᫮
         ( +  + ⮯) .  頥  ⥭ LSR.

LSR.5   ⮩ ॣ প ।.  ⠭, ᨬ -
          ॣ প ।  ॣ ᬥ饭 ।. -
        뢠,  UART ⮢   ᫥饣 ᨬ.  頥-
        ,  ᨬ 㦠  ॣ প ।.

LSR.6    ।.뢠,  ॣ প ।  ॣ
        ᬥ饭 । .LSR.6 頥,   ਭ ᨬ.

LSR.7    㫨


ॣ                                   110
 (MSR - Modem Status Register)

ᯥ稢 ⥪饥 ﭨ ᨣ ࠢ . ଠ樨
⠪ ।ᬮ७    .

MSR.0   ᫠  訡(DCTS -Delta Clear TO Send).뢠 , CTS
         ﭨ ᫥ ᫥ ⥭ MSR.

MSR.1   ⮢ ⠭  訡(DDSR - Delta Data Set Ready ).-
        뢠,  DSR  ﭨ ᫥ ᫥ ⥭ MSR.

MSR.2   몠騩 ஭ 楢 (TERI).뢠, RI -
          ᪮ 0   1.

MSR.3   ⥪஢ 饩   訡(DDCD -Delta Data Carrier
        Detect).뢠, DCD  ﭨ ᫥ ᫥ ⥭
        MSR .

MSR.4     뫪(clear to send -CTS).  ᨣ CTS.
         ३  ᮪ ஢ , CTS ⨢.(᪨ 0).

MSR.5   ⮢ ⠭ (DSR -Data Set Ready). ᨣ
        DSR.

MSR.6    (RI -Ring Indicate).  ᨣ RI.

MSR.7   ⥪஢ 饩  (DCD -Data Carrier Detect).-
         ᨣ DCD.


䨪 ⥫           000-001  DLAB=1

 塠⮢ ॣ ࠢ ᪮    ஬ ⥫ .
  㯥 ⮫쪮   DLAB ⠭  LSR. ⥫ 
 ॣ஬ ⮫쪮  .
     """"""""""""""""""""""""""""""""""""""""""""""""""""""""
     ᪮              祭 䨪樨 ⥫
     """"""""""""""""""""""""""""""""""""""""""""""""""""""""
        50                         2304
        75                          536
       110                         1047
       150                          768
       300                          384
      1200                           96
      2400                           48
      9600                           12
     19200                            6
   """""""""""""""""""""""""""""""""""""""""""""""""""""""

                                 7
                                                 ⠡ 5
                 UART
---------------------------------------------------------------------
ॣ/ᨣ                    ࠢ   ﭨ 
---------------------------------------------------------------------

ॣ ࠧ஢ 뢠         UR              0-
ॣ ID 뢠                    UR           0 -᮪
                                                     ஢,⠫-
                                                      - 
ॣ  ࠢ             UR             0-
ॣ ࠢ                 UR             0-
ॣ                  UR           5,6 --
                                                      ஢,-
                                                     ⠫ - 
ॣ                     UR           0-3 -
                                                     ஢, ⠫-
                                                      - ᮪
 (訡 RCVR)            ⥭ LSR/UR        
 (⮢  RCVR) ⥭ RBR/UR        
                                     THR/UR        
 (THRE)                   ⥭ IIR/          
 ( )          ⥭ MSR/UR        
OUT1                                     UR              ᮪
RTS                                      UR              ᮪
DTR                                      UR              ᮪
---------------------------------------------------------------------

  
--------------------
DS2245 ন  ୠ⨢ ࠢ ஬. ୠ⨢ -
  .2  .3  ࠢ ꥬ  ﭨ 祭/-
祭.  ,DS2245 ॠ  ᨣ ࠢ  ࠧ-
 ﬨ. ୠ⨢ ᮢ⨬   묨 ﬨ DS2245 ,-
 ᮢ⨬. ୠ⨢ ᪮஢  প DS2245
Phantom DAA  ஥  ࠢ .᫨ ਪ 楯
砥  ࠢ ஬,   2,  ॡ -
⥫ ⢨. ⮬ 砥,ᨣ প/ய  뢮 7  
ᯮ짮  ࠢ 䨪樥  ᬥ騬 ⪫祭. ࠢ
஬  㬠稢.᫨ ਫ ᯮ DS2245 Phantom DAA,
⮣  ॡ ⥫쭮   ࠢ ஬(᪫
ࠩ ). ⮬ 砥,ᨣ প/ய 㤥 㦥  
짮⥫. 祭 ⠭,DS2245 । , ० ⥫
 ॣ樨 ⮣ 뢮.᫨   ⪫砥(७ 㦠-
),⮣ ᮢ⨬  DS2245 ࠢ ஬ 㤥 ਭ(  㬮-
).᫨ প/ய 뢮 㦠,⮣ ᮢ⨬  DS2249 -
ࠢ ஬ ॠ. ୠ⨢    1  2.樨
뢮  ࠢ   ⠡ 6.

             1  2        106  107


                                                 ⠡ 6
           
---------------------------------------------------------------------
         .2(1)     .3(6)      .0(7)
---------------------------------------------------------------------
  L0/1      0           0            뢮 ࠢ 䨪樥
  L2        0           1            뢮 ࠢ 䨪樥
  L3        1           0            뢮 ࠢ 䨪樥
  M0        1           1            뢮 ࠢ 䨪樥
---------------------------------------------------------------------
 ᯮ DS2249PH -ᮢ⨬ ࠢ , ࠢ
ࠡ ⠪:
---------------------------------------------------------------------
         .2(1)     .3(6)      .0(7)
---------------------------------------------------------------------
  L0/1      0           1      ᭥ 譨  ஢
  L2        1           0       -/-
  L3        0           0       -/-
  M0        1           1       -/-
---------------------------------------------------------------------


                                   8
 
----------
DS2245 ॠ ࠭   .    ஥ -
⥬  ᯥ稢 ॡ㥬 㭪樨 ,室  権  .-
 DS2245 室  ⠫쭮 ﭨ (ᯮ ⥫䮭 ),
  .᫨ 짮⥫ ॡ ८। ﭨ
,  ᫠ ᫥⥫쭮 室 +++   ࢠ-
   ᥪ㭤   ᫥. ⠭ ࠢ   짮-
⥫.

                                                 ⠡ 7
              
-----------------------------------------------------------------------------
   ! ᠭ
-----------------------------------------------------------------------------
         䨪  ப, । ᥬ ,᪫-
             "+++"   / .
          ॡ ⢥ ⮭ 뫪 .ࠢ ⢥ -
           䮭.
   /      ७ ᫥  ப
   0      롮 CCITT V.22   V.21  ᮥ  1200  300 /ᥪ
           ᮮ⢥⢥.
   1      롮 ll 212A   103  1200   300  /ᥪ ᮮ⢥⢥.
    D       , ᫥.᫨ ஢,D ࠥ 
           ० (  ⮭ 뫪),  ࠭  ᫥-
            ६.    ᫥騥 ० :
               ,  ;  !
            (㣮) .롨ࠥ  㬮砭.
          DTMF (⮭ 뫪)  ᫠, ஥ ᫥ . 
           ४砥 㬠稢 ०   ⮭ 뫮.
      ,    㧠  2 ᥪ㭤
      ;          ०
      !     㡪
      @      砭 । ஬ 
   0       -ᨬ   ﭨ
   1      -ᨬ   ﭨ.稢 ஢
   0       ⥫䮭 㡪.
   I0      ந ID .稢 ஢.
   I1      믮  ᮮ饭 ஫쭮 㬬  (  000).
   I2      䨪 ୮ ஫쭮 㬬
   I3      饭 ந  
  L0/L1     ஢ ஬ .ਭ  㬮砭.
   L2      । ஢ ஬ .
   L3      ᮪ ஢ ஬ 
                .2  .3 室
   0       ⪫祭
   1       祭 ⮫쪮   ( ⥪  ).
           ஢  㬮砭.
   0      ꥬ 㡪   ० ⮢.᫨  㦥 ⠭,
             ⮭ ﭨ.稢 ஢.
   1       ० ஢ 殢뢠
   2      樠஢ ⤠ ஢ 殢뢠
   Q0         १.
   Q1        १ ᮣ᭮ ⠡ .8 稢 ஢.
  Sr=n     ⠭ S ॣ r  祭 n
   Sr?     뢥 祭 S ॣ r
   V0      ᫥ १騥 
   V1      騥 १騥 .஢  㬮砭.
   Z        .२樠 ᥣ, ᪫ ⠭ UART.
  &D0      ஢ DTR .஢  㬮砭.
  &D2       㡪, ⨢஢ DTR.
  &P0          ⭮襭 39/61(ନ஢/ࠧ)().
           ஢  㬮砭
  &1          ⭮襭 33/67 ()
---------------------------------------------------------------------

                                                 ⠡ 8
               
---------------------------------------------------------------------------
  #     ᫮      ᠭ
---------------------------------------------------------------------------
    0                   ᯮ 
    1      CONNECT         맮  300 /ᥪ
    2      RING           ⥪஢ 楢 ᨣ
    3      NO CARRIER      ⥪஢  ﭠ 
    4      ERROR          ୠ ,ࠢ쭠 ஫쭠 㬬
    5      CONNECT 1200   맮   1200 /ᥪ

                               9
---------------------------------------------------------------------------
  #     ᫮      ᠭ
---------------------------------------------------------------------------

    6      NO DIAL TONE    ⥪஢ ⮭ 뫪  
    7      BUSY           ⥪஢ ᨣ   맮 .
   10      CONNECT 2400    맮 裡  2400 /ᥪ
         DTMF =X        ⥪஢  DTMF. = 
---------------------------------------------------------------------------

                                                 ⠡  9
                S-
---------------------------------------------------------------------------
 ॣ           㬮-   ᠭ
                           砭
---------------------------------------------------------------------------
 S0       0-255 楢    0     ᫮  ।  ⢥⮬  맮.
                                   ࠬ ࣮ᨬ.
 S1       0-255 楢    0      稪 ᫠ 
 S7       1-255 ᥪ㭤       30       DS2245  饩 -
                                     ⤠ 
 S11      0-255 ᥪ         70    ⥫쭮  DTMF
 S30      2-255 ᥪ          2      ਮ  ᪠ ⢥⭮
                                   ⮭ 뫪. ६ ७砥
                                   ᫥  室饩  DTMF.
 S42      0-1                0     ४饭 ࠧ஢ 室饣 ᨬ-
                                     , S42=0,४饭
                                   ஢ ᨬ  S42=1. ࠬ
                                   ࣮ᨬ.
 S45      0-1                0     ᯥ஢ ࠧ஢  #S+S#
                                   ᫥⥫쭮 Teleservicing,᫨ S45=1
                                    ⢨ ᯥ஢ ᫨ S45=0.
                                    ࠬ  ࣮ᨬ.
 S47      1-255              3     ᫮ ᡮ 砥 祢 ᫮  ०-
                                    Teleservicing.
 S49      0-1                0     ஫  ୮ ⮭ 뫪 ।
                                   ஬ ᫨ S49=0  ⢨ - S49=1.
-------------------------------------------------------------------------------

 TELESEVICING
------------------
⤠ 㤮   䥪⨢  ᯮ짮  -
묨 ﬨ.    ஭ । ४஢   -
 -  ॣ権  .   ᯮ짮 
६ ⨪ 㧪   ᪠ ࠢ⥩,᫨ ஡ -
⥪஢ ⤠ ஬ ⥬.  Dallas ᮢ ⠪
  ᯮ짮  ࣮ᨬ RAM, ⠪  ணࠬ 
  .DS2245 ᯮ 㭨 ० Teleservicing,
 짮⥫  業ࠫ쭮 㭪 뢮  ࠭  ।஢
    १㦠 ணࠬ  ⤠ ⥬  -
ப஫-஫  ⥫䮭.  ⥬ ᯥ稢 ॣ-
   ᯥ஢ ⥬  뢠  ࠢ  -
䮭.⤠ 짮⥫  ⥬ ஢  ,㧪
ᮡ ᪮   । ४஢  १ .
  ᤥ  樨  ⥬ ਪ .DS2245 믮
 ᯥ஢ 室  (  ⥫䮭 裡)  ᫥-
⥫쭮 ASCII  #S+S#PASSWORD ᫨ S-ॣ 45 㤥 ⠭   1.
"password" 㪠뢠 롮  㬮砭.    ⠭ ⠪:
#S+S#PASSWORD/NEWPASS/NEWPASS. ᮡ ࠧ஢  ਭ -
᫥⥫쭮 #S+S# ,DS2245 뫠   DTE  ᥪ⭮
祢 ᫮. 砭 த,     
㤥 祭 ୮ 祢 ᫮ . ਭ  ᫥⥫-
 Teleservicing( ୮ 祢 ᫮),㤥 ᯮ짮 ୠ-
⨢  裡. .2  .3 ⠭ ᫥⥫ ⮬.DS2245
⠢ .1  ᫮ ᪮  ஢.  ᨣ  -
樠樨 ᫥⥫쭮 ᠬ稪  DS2250 ப஫-஫-
   筮 ன⢥. ப஫-஫ 
8-⮢,ᮢ⨬  8051 ⥬,᭮  ࣮ᨬ RAM 
ணࠬ    .᫥ ਥ ᫥⥫쭮 祢
᫮,⤠ 짮⥫ 㤥   ᠬ稪 ப-
஫-஫.ন  ⮣ ப஫-஫ 
 뢥  ࠭,।஢  १㦥,᫨  室.
 㧪  ᬮ  ,ਫ  த 
뫪 ᫥⥫쭮 #S+S# १ ப. 㧨 㤥 ⥬
१   㤥 ⠭   ࠫ쭮 䥩.
 Teleservicing   ࠧ஢ । 騬  ᬮ஬
#S+S# . 㪠 ,  ᤥ  ⠭ S45=1 . ࠬ -

                               9
 ࣮ᨬ ,⠪     㦤 ⮫쪮 .᫨ S45=0,
ᬮ  ந室.᫨  樠樨 ० eleservicing ,㤥 
᫠ ୮ 祢 ᫮, 㤥   筠 .⤠-
 짮⥫   ᫠  ᫥⥫쭮 ᭮.
  ,  ॢ쥢 ( ୮ 祢 ᫮) 㤥 -
ࠢ 祭  S ॣ 47.᫨  ᫮ ⮪ 筮 ,
DS2245 ४頥 ⥫䮭 맮.
 ᯥ祭 ᯮᮡ DS2245 ⢥  ⥫䮭,  ﭨ 
DTE ,S ॣ 0  ࣮ᨬ ࠬ஬.᫨  ࠬ -
樠 㫥 祭  ६ ७ ணࠬ஢ -
, DS2245 ᥣ 㤥 ᯮᮡ  ⢥.   १㦥 ⤠-
,  ᫨ ஫ DTE .⢥ ⮤   S0 -
 ।७     祭  (ATZ, UR ,祭- 
  䥪). ,S ॣ 42   ஢ ᨬ-
,室騥  DTE १ ᫥⥫쭮 . ᨬ 筮 
४ .᫨ S42=0, 맮 㤭     -
 ப஫-஫.⠭ S42 =1  뢠 -
 ᨬ. ࠬ ⠪  ࣮ᨬ.
 3   孨 Teleservicing   ᯮ짮  -
஫஬-஫஬  Dallas.    3,DS2259 ࠡ⠥  
⤠ ⥬ ᭮   DTE  .  ஢-
 १ ப⮢ ⨯ 設 /,⠢ 뢮 
 ᢮묨  㣨 ⥬ /.  ⥫쭮 
   ,ந 樠 稪  ࠭ ᫥-
⥫   ਬ ,  ६  稪  㤥 ᯮ짮.
⨬,  楯   ᯮ짮  ன ⥬ 8051  -
leservicing   㦤  䨪樨 ஥ . DS0010 Service
Management  ᮭ쭮    ᯮ짮 ⤠ 
ᯥ஢  १㧪 Soft ஢.   ᮪஢-
   , 뢠 ⢨  ⤠ ᠬ-
稪 ⠪      ᫥⥫쭮  뢮 樨 .
⨬,  DS2245 ᯮ 뢮  ࠢ ᪮쪨 ﬨ.
 10 㬬 ᯮ짮  ᫮  뢮.ࠢ -
஬ 㯭   ६  ० leservicing   ⮢ ࠢ 
ୠ⨢ ᯮ짮.


                   3           112

                                                 ⠡   10
                
-----------------------------------------------------------------------------
 뢮        㭪             ᫮      㭪           ᫮
 
-----------------------------------------------------------------------------
 .0       ࠭/ய       ଠ   DS2249PH-⨯    C.0 ᭥ 
                                     ࠢ.   ஢
 .1        ।             ଠ   室 㧪  #S+S# 
 .2       ࠢ ஬  ଠ      RXD          #S+S#
 .3       ࠢ ஬  ଠ      TXD          #S+S#
----------------------------------------------------------------------------

 DTMF
------------------
ன 㭨쭮 ᮡ DS2245  ⥪஢  ஢ 
室 ᨣ DTMF , । १ ⥫䮭 . ᮡ-
 ᯮ, ⤠    ⮢ ,  
᫠ ଠ    ⥬. DS2245 ⢥砥 ⥫䮭, -
⠥   祭 ਮ,। S30.᫨ ⮭ 뫪 DTMF 
ਭ  祭 ⮣ ࢠ,  ஢. ਥ ⮭-
 뫪 DTMF ,㤥 ࠭ ஢  ६  S30.⮬, 
S30=5,⮣ ॡ 5 ᥪ㭤 砭  ஢ DTMF.᫨  祭 
஢  ६,ਭ ⮭ 뫪 DTMF,⮣ ॡ ⥫-
 5 ᥪ㭤.  த, ਮ ६,। S30,
⥪  ⮭ 뫪.   ⢥ ⮭ 뫪 ,᫨ 
    ᪠ 㡪. 祭 S30  2 
ᥪ㭤 , । FCC  ⠭ প. 4 뢠 -
  ஢ ᨣ DTMF   ᫥⥫쭮 .
ୠ⨢ ਬ  ஢ DTMF  ࠧ饭 -
⢥ ⥬   ⥫䮭      ᫥⥫-
 DTMF. ⥫䮭 殢, DS2245 㤥 室  -
 㡪  稭 ணࠬ஢ ६ 砭. ६ ⮣ ࢠ,
⤠ 짮⥫ 뫠 ᫥⥫쭮 DTMF   DS2245 -
 .쪮 ਪ ⥬ ⥬ 㤥  ⢥. 㣨 -
 ਥ஢  ᪠ 㡪  ᯮ짮  ᨬ ४-
,᫨ S42=0  ४祭 DTR,᫨ AT&D2 㦥 ࠭ 뤠.

                             10
                     114   4

 
---------------------
 砥 ஥  ,७ DS2245   ९ணࠬ஢.
㧪 뢮 PROG  ᪨  ஢,㤥 樠஢ १-
 ᠬ稪 ஥ DS5000 Soft microcontrollercontroller.-
짮 ⮩ 㭪樨,   ᨣ  뫠   -
⪨  ଠ ASCII. ॠ  ᪠. ⮩ ᪠, -
뫠  㪢  ASCII.砫,DS2245   ࠧ-
  ᯮ짮  U. 蠣  뫪 L.᫥ ⮣,
  ਥ 䠩  ଠ Intel ⭠.᫥  
㧪 䠩 ,   ஢ 뫪 V  ९뫪 䠩.
,    ஢  뫪 Z.᫨    ६ -
᪠ 稪  饭 ᫥ ਮ ६ , 뫠 ^C . 
  DS2245 १㦠  ᯮ짮   ⮣  
୮ 䥩, ᯮ  ଠ쭮 . 
⠪ 樠஢ 稪 ᮥ OUT1  PROG  ᯮ짮 
 ⠢ ᫮ १ UART. ଠ樨  稪  ᬮ 
 㪮⢥  DS5000. DS2245 ⠪   ९ணࠬ஢ १ 
DS2245K Evaluation  Kit.

          5  6       116


 

  

殮    ⭮⥫쭮    -0.3 - +7.0 
樮 ⥬                       0.- +70  
⥬ ࠡ                            -40 -+70 .
⥬ ࠧ襭                         +260 .  10 ᥪ


  
------------------------------------------------------------------------------
  ࠬ       ᨬ       ࠡ                     .
------------------------------------------------------------------------------
 ਫ
 殮        Vcc    4.5     5.0     5.5                B      1
 ਫ
 ⮪               Icc            50     100                mA
  -
  
 ஢            Vil                    0.8                B      1
  -
  ᮪
 ஢            Vih   2.0              Vcc                B      1
  ⮪
  ஢
  Vil min       Iil                    +/- 10              mkA
 뢮 -
  ᮪
 ஢
 (Ioh=-80mkA)      Voh    2.4      4.8                        B      1
 뢮 -
  
 ஢
 (Iol=1.6mA)       Vol             0.15    0.45               B      1
------------------------------------------------------------------------------

   


/  (tA=0-70  ,Vcc=+5B+/-10%
------------------------------------------------------------------------------
  ࠬ          ᨬ         ࠡ                
-----------------------------------------------------------------------------
 ⠭ 
  S               tACS      60                       ᥪ
 প 
  CS               tACH      20                       ᥪ
  ਭ ஡
 ⥭             tRD      125                       ᥪ

                                    11

 প 横
 ⥭             tRCD     175                       ᥪ
 饥 ६
 横 RD           tRCT     360                       ᥪ      2
   RD   tRVD     125                       ᥪ
 Hi-Z  RD     tHZ                      100       ᥪ
 ਭ ஡ WR   tWR      100                       ᥪ
 প 横
              tWCD     200                       ᥪ
 饥 ६ 横
 WR                 tWCT     360                       ᥪ      2
 ⠭    tDS       40                       ᥪ
 প     tDH       40                       ᥪ
 ਭ  UR tURW       5                       ᥪ
------------------------------------------------------------------------------


  
-----------------------------------------------------------------------------
 ࠬ                ᫮             ࠡ         
-----------------------------------------------------------------------------
 AOUT AC  室                        200     300       
 AOUT  㧪 室                  10                       
 DTMF ࠢ쭮 -                 -0.25           +0.25      %
 
 DTMF 㤠
                              -10             -8        dBm0
                        ᮪     -8              -6        dBm0
 DTMF 祭           ᮪ 
                                  1.0     2.0     3.0       
 2100  㤠 -
  뫪 ⢥                   -11     -10     -9        dBm0
 2100  ᪠ 
 ⮭ 뫪 -
                                                    -40      
   
 ०  QAM,DPSK,
 FSK                    砩
                                  -11     -10     -9        dBm0
----------------------------------------------------------------------------


  
---------------------------------------------------------------------------
 ࠬ                ᫮                 ࠡ      
-------------------------------------------------------------------------
 AIN AC  室   AIN=0.5 B           10                 
                         ᨭᮨ
 ஢ ⥪஢
 맮                  2 ⮭ 뫪
                           350  -
                          620             -34                 dBm0
 ஢ ⪠ 맮      ᠬ                      -40    dBm0
 ⮭ 뫪 맮   -70  -30 dBm0
 (⥫쭮   ୮  蠣
  ⥪஢)                              25                  ᥪ
 ஢ ⥪஢
 DTMF                      ⮭
                          뫪             -32         -2      dBm0
 DTMF ⥫쭮 
 ⥪஢                                25          47      ᥪ
 ஢ ⥪஢
 饩                               -48        -43      dBm0
  (QAM,DPSK, FSK)             -                 -           -       -
 १ ஢ ⥪-
 ஢ 饩                     2.0                 dBm0
 ⥫쭮 饩
   ⥪஢                   15                  ᥪ
----------------------------------------------------------------------------


1. 殮 
2. tRCT = tAST + tRD + tRCD
3. tWCD = tACS + tWD + tWCD

                       119

