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!&+ ' h" ,!& !&  block erasure time total memory erasure time   19!/ &*:(( @ 9!/ &17?(   19!/ &*:(( @ 9!/ &17?(
6&'%&  1-10 voice solutions in silicon ?  $' ()*+
1 !a" 6 a&!"!& )aa!& )a ! ,!)& ) 92*<.<
 1 !&+ %1!) + 0& !"
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1&!)1 !& k5l ' !& k l !& k5l   /'&"! ' a1 ,!& "! ' ' ' ,!&!  )& ( !& kl  )' ,!& "!&! 'g 4&g ' 1a / = >  ,& ! 1 ) 92*<.<
 1 '1 ,!& !& ,!& ! figure 1-8: samsungs km29n040t flash memory diagram
6&'%&  1-11 isd  ,' -./+#
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(<.<  !&b'  2( /!"# !, 2( ag "1 "! -2 /+  /!"#  1  ) 1 " / &' '  . 9/+  b  )& * !  2( /!"# & h/ ,!& &"!&' a ! < /!"# + "! /' /g ' ! /!"#  %& !" ' 1!' 1 !"! !, 1 ) )/ /!"# !& ,)&1& ,!&! !
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6&'%&  1-12 voice solutions in silicon ? #  $ 
1 1 !&+ + / &' )a ! <! &')" 1 ,," !, 1 !g 1 !&+ & )b 1 1f /!"# h +g   g "1 /!"#  &' !& !&  1  )/& !, g ! )& 1  /!"# 1h 1  , !'& 1 ,!!% 0h ) !,  1 1 !&+ 'h"f /!"#e 1. "!&'  ) !,  =) 1 !&+  ,)> 2. +/"#  ) = 1 &"!&'' > 3.    )  1 !&+ 'h"  )'  1 & 2.   '+g  0a"' , e 1 , q < q . +&
1) 1 1 !&+ 'h" %  ,!& !h&  +&g h %1 )' ,!& %h 1!)& !, &"!&' a& '+ !g 1 ,  1 !&+ 'h"  )'g 1g )'& 1  "!'!g  %  ,!& !& 1 2< +& )  "0   1    !a" 6 a&!"!&  )   ! /!"#
1 0) &"!&'  'a' ! ,!)& ,"!&e 1.
1 /" "!a&! & = 2 9/@ !& $ - 9/@> 2.
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1 )/& !, /' /!"# 4.
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1 !a" 6 a&!"!& )aa!& 3  'h" 1&!)1 0a! !&+ a ! . 9/+ = .9 0 (> !, 0a! !&+ & )aa!&' '&"+ h&1g 1 ! a" 6 a&!"!& ) / !, 1 ! "1a a!& =5> ! ,)&1& 0' 1 . 9/+ ''& a" )a ! <  /+ ''& a"   "!"' ! 1 !a" 6 a&! "!& ) 1 ' /)g =g 1 ''& /)g =g 1 0'' ''& g = e (>g ' 0a! !&+ 1a "g  g"! &!
1 )/& !, 0'' ''& a ! ) + h&+g 'a' ! 1 b ' "!,)& ! !, 1  note    ()*+,-./       
 
   # 01* table 1-3: recording time on a 4-mbit device silence total recording time
 1 ,)*!9 7,=  9!/,=9
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a   &' ,&! 1 "!'" 1&!)1 1  a  #    41 1!& ,& a&!!"!  "!,)&'g 1 ' / & 0"1' %1 "1 "!'"  "1 ,&g   g < "+"  &,& & %1 <   ! ,!& ! 9 "+"
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g "!")&&+ %1 1 %&' 1, !, 1 ' &"h' h  )& < 1!% 1!% 1 "!'" &,"   /1h %1 1!& ,& a&!!"!  "!, )&' figure 1-10: codec protocolshort frame
6&'%&  1-14 voice solutions in silicon ?  #    41 ! ,& a&!!"!  "!,)&' 1 ' / & 0"1' %1 "1 "!'"g   1 " %1 1 1!& ,& a&!!"!
1 ! ,& a&!!"!f ' &,&g 1!%h&g & /+  < ! ,!& 1 9 "+" )!)+g 1 ' ,!& 1 ,& "!'"  1, ' !) / /+ / h 1 
!)a) ag   1!& ,& a&!!"! !")&&+g 1 &"h' '  1,'  1&!)1 1  a)
1 '  1,' ! /  "1 9 "+"  9 "+" ,& < 1 /"! "h =<>g    ! ,!& 1 9 "+" ) !)+g 1 ' ,!& 1 "!' "!'"  1,' !)g 5 ,&g h 
g "!")&&+ %1 1 & "h' ' 1,'  ,&!  )& 1!% 1!% 1 "!'" &,"   /1h %1 ! ,& a&!!"!  "!, )&' figure 1-11: codec protocollong frame    %,2 %7,15
#%8#5#
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  / >  table 1-4: electrical characteristics symbol parameter conditions min typ max units
3 7,= 3 77/ *7,/!  @
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6&'%&  1-16 voice solutions in silicon ? ) 2.
%&% &  &    a","!  1 "! &,& ! < ( 3 !& 2 < 3 ! 1 & !& , ' !, 1 g  )&'  )& 2 1&!)1 (g ) a","+ ' !1&% 0)  ) "a"h !' !, < a 9 "&+ ,&i)"+  .< * 6b note 4     
 
   #            +5 figure 1-12: synchronous output signals (valid, active and inactive)   8,74 >74 =. 7/* >! 2 ,7/* >! * 1!. 7f*!2 7 2 9 ,8 !=8! f  2  @ figure 1-13: synchronous output signals (valid)   8,74 >74 = * 1!. 7f*!2 7 f744 ,8 !=8! f  @ @

@  2    8,74 *  @
@

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6&'%&  1-17 isd figure 1-14: synchronous output signals (hold)   8,74 04= * 1!. 7f*!2 7 2 9 ,8 !=8! f @ figure 1-15: synchronous output signals (hold) -. !  
) 
  

 &a %b figure 1-16: synchronous input signals -. ! 
 
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1-18 6&'%&  voice solutions in silicon? figure 1-17: asynchronous signals -. !   
   

  
1  
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@  8,74 #  8,74 + *  )*   
6&'%&  1-19 isd 02 &,2,5
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6&'%&  1-20 voice solutions in silicon ? * *  
 
   
6 -  
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table 1-6: input signals symbol figure description reference conditions min (ns) * !     ;4= #f*!2 @%@ 
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* !     !*) +!f2! @%@  @
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19 table 1-5: output signals symbol figure description reference conditions min (ns) max (ns)
6&'%&  1-21 isd * 2
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%.&%# figure 1-19: codec short frame timing * &*  %% )49!  =*0 #*
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"   4/5 !2 = @%@  * ,!?* @%@  @ table 1-6: input signals symbol figure description reference conditions min (ns)
6&'%&  1-22 voice solutions in silicon ? figure 1-20: codec long frame timing figure 1-21: rom read cycle timing * $ (
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6&'%&  1-23 isd figure 1-22: microwire transaction timingdata transmitted to output
6&'%&  1-24 voice solutions in silicon ? figure 1-23: microwire transaction timingdata echoed to output figure 1-24: master microwire timing
6&'%&  1-25 isd figure 1-25: output signal timing for port pb and mwrqst -. $ (
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1) $4) $.  $.9 figure 1-26: cttl and clkin timing figure 1-27: reset timing when reset is not at power-up
6&'%&  1-26 voice solutions in silicon ? figure 1-28: reset timing when reset is at power-up
2!,%&  2-1 isd  ,- +)* ,9&9)
1 !a" 6 !,%& &'  1 ! "1a   ")'  /' !&1g + )aa!& ,)"! '  !,%& &," ! 1&'%& a&a1&
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5 ,& ? 1 &," =& 4 1'&> ? "&!"!&!& &," =h 4 1'&> ? !'" &,"
       
         2 - 2 voice solutions in silicon ?

 
 
 


  table 2-1: compactspeech commands command description opcode hex source state result state command parameters return value name s/a description bytes description bytes   
         
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# %  )a &37 7'  "3    # %   # %   4*"  4 % * ++   *"& *"& % )  table 2-2: speakerphone mode commands command description opcode hex source state result state command parameters return value name s/a description bytes description bytes " 3 "  %  (  "3   *!     %$ (( "3     *   % $ - $ * )!    *   table 2-1: compactspeech commands (continued) command description opcode hex source state result state command parameters return value name s/a description bytes description bytes

 2-4 voice solutions in silicon ? 
   

  
 

  
  
   
 

 


   
   


 
 
 

  
    
 
   
 

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2-48 
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2-52 
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2-54 
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 4   3-2 voice solutions in silicon ? figure 3-1: compactspeech schematic diagram
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 4   3-3 isd figure 3-2: flash schematic diagram
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 4   3-4 voice solutions in silicon ? figure 3-3: codec schematic diagram
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 4   3-5 isd figure 3-4: microcontroller schematic diagram
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 4   3-6 voice solutions in silicon ? figure 3-5: user interface schematic diagram
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