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' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' +$ )& . f ( " '' 1b &&& !b ' ' 2%f 7 . 0 -; 4!'+h ;a;>> !&h -$ 1"# . - )& . >f "# ) 4!! 2%f 7 . 0 -; 4!'+h ;a;>> !&h -$ 1"# . > / . f "# )h 7&'& )/& - $a7 . > !"#$ %& !"#$ '(!!)))* +*, *.#"- #(. 1 - $ /& !, ,!&! !& @"g !b" 5 b"1 &!"!& ,+ 1 b&!"!& b&!@' b1! %& @" < = ,)"!+ ! /' '' + 1 !b" 5 b&!"!& &," %1 !1/g (;.; ' )g 8-*;.; 1 !&+ '@" ! b&!@' "! ,,"@ !)! ,!& ' &' bb" ! 1 !b" 5 b&!"!& & 1 ,)"! !, &'! &!" <= "1b ' 1 h / & b)&b! "!& b! !, 1 ! b" ? &"1")& "! + )bb!& ,)"! )"1 &&)b !&! h !'" &,"h 3 &," ! "&!"!&!& ' 1 !&+h 3 5 &h ' !"# &!& 1 !b" 5 b&!"!& !b& @ b&b1& 1 "!&!' /+ 0& "&!"!&!& @ & 3 &," +b" @&!h 1 "&!"!&!& "!&! 1 ! "&")h /)! ' 'b+h ' "@ 1 !b" 5 b&!"!& /+ ' "!' 1 !b" 5 b&! "!& 0") 1 "!' ' &)& ) ,!&! ! 1 "&!"!&!& 1 !b" 5 ,&%& b @!" "!b&! ' '"!b&!h ! '" ! ' &!h !& h b"1 +1 ,!& ' '+ bh ' )bb!& )& ',' @!" b&!b @& !) ) 1 !b" 5 & ,)& "!b %1 1 4"!& '&'h )' 1 h &"1h b1h db ' )"1 '&' b 1 &"@& ' ,!& ' &' ,&! 1 "& !,," ! 1 )/"&/& 1 !b" 5 &!"!& bb "1! " "! "1i) ! )bb!& 11 i)+ ! '"! ')& b+/"# 1 !b" 5 b&!"!& " +1c @&!) ) @ 1 & ! 2!"/)&+ )bb!& <2= "1 1 - $ " !& @!"/)& ! 1& 1 !&+ !& 0b! !& ),")&& " 1) "& "1 1 jb#k ',,& )h b+ /+ ) !1& @!"/)& !& !& ' /!) 2h & ,& ! 1 ! " ! " # &!')"! ii voice solutions in silicon ? !"1# ? "/ b"1 "!b&! & !, - 8/a ' $> 8/ah b) " "!b&! %1 "1 & ? b ! ) &"!&' ! . / 1 !&+ '@" <!& 1 1!)& ! &"!&' ! ,!)& '@"= ? )!" !& !, & ' !, ! <= ? "& <b) "1!' ! "!'" !)b)= ? )bb!& ) ' !1/ 1 !&+ '@" ? )bb!& 1 <4"!&=h &"1h b1h db ' )"1 & '&' ? )bb!& ! ,& ' 1!& ,& "!'" ? &," ! l % "!'" ? ) ) b"1 +1 ) &! 2!"/)&+ )bb!& <2= ? 2!"/)& @/ f 1h dbh '&h &h &"1 ' b1 ? )bb!& 0& @!"/)&h ) 1 !&+ '@" !& 0b! ? &! ' '"! ? b1! ,)"!h ")' /)+ ' ' ! '"! ? ! &! ? '"! ')& )! b+/"# ? 3 @ &," ! 0& "&!"!&!& ? )bb!& )b ! ,!)& . / 1 !&+ '@" ? 3 & &," ! 1 !&+ '@" ? 1 )/& !, 1 " / !&' ' !+ /+ !&+ c ? &" "" ! !&+ ? &!&/ ,!& "!&c!h h /!0h ! <=h )! <= ? @!) "!&! ? 2&/ b' b+/"# ? "!"#f + !, 3#h 5!)&h ) ? ' &!)' 1 h / & b)&b! "!& b! !, 1 !b" &"1")& ? / &"1")& ' b!h -;.( 5c !b&! ? "1b !') <= ,!& 11 b' !b&! ? "1b "!'" "!"# &! ' &," ? !%& '!% !' ? !& "& )/& ? !& ' !, ? #b ,!&%&' !& /"#%&' ')& b+/"# ? )bb!& b&&"!&'' @!"/)& ! 1 !&+ ? @/ ( bh ' 7 ;; b b"# &!')"! iii isd figure i: block diagramISD-T267SC basic configuration with samsung flash figure ii: block diagramISD-T267SC basic configuration with the toshiba flash 5&'%& 1-1 isd $%&'(&' figure 1-1: pin assignment in the 68-plcc package connection diagram for samsung flash memory -. !"# 5&'%& 1-2 voice solutions in silicon ? figure 1-2: pin assignment in the 68-plcc packageconnection diagram for toshiba flash memory -. $ $ $ $ !"# 5&'%& 1-3 isd figure 1-3: pin assignment in the 100-pqfp packageconnection diagram for samsung flash memory -. %% !"# 5&'%& 1-4 voice solutions in silicon ? figure 1-4: pin assignment in the 100-pqfp packageconnection diagram for toshiba flash memory -. $ $ $ %% !"# 5&'%& 1-5 isd table 1-1: compactspeech pinsignal assignment pin name type signal name i/o $& ' ( $& ' ( )*)* $& ' ( ' )*)* +& '( &' ( ,)*-)*)* + )*)* )*)* ,)* )*)* )*)* & '( & '( ,)*-)*)* % -% % . % )*)* ,)* )*)* ,)* )*)* ,)* ,)* ,)* )*)* )*)* )*)* +& '( %$& ' ( )*)* +&'( & '( )*)* %% /01!** %% ,)* #"2 . "*. . 1 ,!!% "! ' 1 b !, 1 - $ b&!"!& 1 b& 1 !, 1 1& 1 b .%*."- "*. . / 1!% 1 bh ' 1 1 ) 1 ',,& "!,)&! ! 1!% 1 +b ' '&"! !, "1 1-6 5&'%& voice solutions in silicon? * * "* !!" # $%& # ' ( * ) ( $%& # * * )*& +%$ #* & , # /* & #"2 - )*)* ,)* 3 3$ 3 3- 3$ 3 ,)* table 1-1: compactspeech pinsignal assignment (continued) pin name type signal name i/o !1. (."- #(. 1 "! b&!@' ' !, 1 ,)"! " 1& "&" !, 1 !b" 5 b&!"!& '@'' ! 1 ,!!% "!f ? ? !"# ? !%& '!% !' ? !%& ' &!)' ? !&+ &," ? !'" &," #.* 1 b )' ! & 1 !b" 5 b&!"!& b! b!%& )bh ) / 1' !% ,!& ,& 2 / 1 )& 1 ! "1b @! & "!b+ / /,!& !b&! 31@& bb'h ) ! & " @ ,!& ! 1 )& 1 b&!'h ' ,!& ;; l ,&h 1 ) / 11 1 " / '! %1 b) )b &!& ! 1 b 1 @) !, 36 )',' ')& 1 & b&!'h ' ,!& ;; l ,& 1 "&!"!&!& 1!)' 1& % /,!& b! 1 ,!& 1 ,& h !& 1 1!)' / b)' 11 ')& 1 b&!' b! &h 1 2; b' ! '& 1 !b& @&! )& &h 1 a 2; b )' ,!& 1 2; b) & b) )b &!& 2; ! ,& &h 1 b )' ,!& !& + !' ! 1 2; bh 1 @! 1!)' ! '&!b /!% 2 , 1 !' ! 1 2; b ") 1 ")&& ! 0"' ; lh ) 0& b) )b &!& ! #b 1 b !" )& 1!% &"!'' "&") ,!& & & %1 1 b!%& )&' ! 5&'%& 1-7 isd figure 1-5: recommended power-on reset circuit -( 2.* 1 !b" 5 b&!"!& b&!@' & !"!& 1 &" %1 0& "!"# !)&" 1&!)1 1 : ' :-a8 b 1& 0& b1 "!"# h !& "& + !"!&h + / )' 1 "!"# !)&" ! , 0& b1 "!"# !)&" )'h 1!)' / "!"' ! 1 8 1!% )& h ' 1!)' "!,!& ! 1 @! @ &i)& ,!& 8 ' j "&" 1&"&"k ! b . figure 1-6: external clock source " "&+ !"!& "!"' ! 1 ! "1b ! "!& "&") @ 1 : ' :- h 1!% )& $ figure 1-7: connections for an external crystal oscillator 8b &+ "b"" ' ')""h 1 !"!& "&")h !% b!/ 1 "&+ & !!&h ' 1 0& "!b!h 1!)' / "! ! 1 : ' :-a8 b b!/h ! #b 1 &" 1 1 b&' "&") ! /!) ) 6!) " ) "&+ !"!& %1 0) !' "b"" !, -; bh 1!)1 1 !"! ,&i)"+ + ',,& ,&! 1 "&+g b",' @) / - 1 "!b! 1 "&+ !"!& "&") %% 3- 4/5 6","27*2 3 !,84"079" 4/5 !8,74 3 3 2:9*74 9/!447*2 5&'%& 1-8 voice solutions in silicon ? table 1-2: crystal oscillator component list component parameters values tolerance 2:9*74 9/!447*2 "9,7,/" 2";)",/: 0!2< ="2*," :" 7>!1)1 "2!74 "9!9*7,/" 7>!1)1 0),* 77/!*7,/" 7>!1)1 7< 77/!*7,/" ? @a 72744"4 $)* w -$ "9!9*2 w b 77/!*2 b ,<)/*2 ? c@ b (&#(&. ( !%& '!% !' ),) ')& b!%& ,)& %1 1 b!%& !)&" ,!& 1 !b" 5 b&!"!& /"#)b /&+ !& /&+ b!%&' '@" %1 1 !b" 5 b&!"!& ' b!%& '!% !'h 1 "!"# ,&i)"+ !, 1 !b" 5 b&!"!& &')"'h ' ! !, 1 b&!"!& !') & '"@' &)h 1 !b" 5 b&!"!& "!) )"1 b!%& 1 !& b!%& !' < 1 l= 1!)1 1 !b" 5 b&!"!& '! ! b&,!& )) ,)"! b!%& '!% !'h #b !&' ' 1 ' '+ note ! 1 !b" 5 b&!"!& !& h ' !&+ ,!&!h 1 !&+ 1)h 1& ! ' ! 1 b!%& ! 1 b&!"!& ! b&&@ !&' %1 1 '@" )' , 1 "&!"! &!&g & "!"# <' ! 1 !b" 5 b&!"!&g & "!"#= )' ! 1 ' '+h 1& 1 1 !& 1 !b" 5 b&!"!& &i)& /&+ /"#)b ')& b!%& ,)& 1 "h %1 &)& ! !& !'h 1 "&!"!&! & 1!)' b&,!& 1 c! i)"h '"&/' jc!k ! b -m h ' ) 1 "!' ! 1 ' '+ ! #b b!%& "!)b! !% b!%& '!% !'h 1 h 3 h 38 ' 3 1!)' / 1' /!@ 2 m ; 2 !& /!% 2 n ; 2 1 <! ! !%& '!% !'= "!' %"1 1 !b" 5 b&!"!& ! b!% & '!% !' <!& 0b! !, 1 ! b" 5 b&!"!& "!'h j!' "&b!k ! b -m-= + !+ / )' %1 1 !b" 5 b&! "!& 1 <!& 0b! !, 1 !b" 5 b&!"!& h j c!k ! b -m = , "&+ ! %"1 ! b!%& '!% !' ,&! + !1& h 1 "!&!& ) ,& ) "!' ! %"1 1 !b" 5 b&!"!& ! 1 h ' 1 ) 1 "!' ' + "!' %1 b!%& '!% !' & 1 !b" 5 b&!"!& '"!&h ' & )& 1 !b" 5 b&!"!& ! !& !b&! !' 5&'%& 1-9 isd note " # $ ! % & $ # ' ! (&# ". *#(1..* 1 !b" 5 b&!"!& &i)& 2 b!%& )bb+h bb' ! 1 2 b 1 &!)' "!"! & ' ! 1 b !& !b ! )+h 1 b!%& ' &!)' b 1!)' / "!"' ! 2 ' 1 &!)' bh &b"@+h ! 1 b&' "&") /!&' , 2 ' 1 &!)' b & ! )'h "!')"!& 1!)' / &) '&"+ ,&! "1 2 b ! b!%& b!h ' ,&! "1 b ! &!)' b! @!' '+ "1' "!"! '"!)b "b"!& ! #b 1 ! @ ! ) "1 '&' ; m "&" " b"!& ! 1 2 ' bh "! b! / ! 1 !b" 5 b&!"!& 31 /)' b&!!+bh ) %& %&b !& !1& 1!'h !'& 1 "b"!& '&"+ ! 1 b!%& b !, 1 !b" 5 b&!"!& !"#h !& "! b!/h %1 @&+ 1!& ' (#, .#!" # $ 1 - $ !b" 5 )bb!& . / ' /h /+ %'h 1 '@" ,!& !& 1 1 '@" & !&c' . 8/+ /!"# 1 - $ " ) )"1 ' @" ,!& &"!&' %1!) + ,," ! @!" i)+h , 1+ "!,!& ! 1a,1 b" ,"! 1& & %! e!& ! b!' /+ ")& & 1 "1!!+f /!"# &)& ' 1 ')&" 4!1 1 ! & 1 '' /+ 1 !b" 5 ,&%& 1 @&!h & !b&! ! &i)&' 6!) ) )& 1 !&+ !" !h %1"1 b&@!)+ %&h &' b&!& ! %& 1 /" ) 1 " / &' !& %&h /+o 1 /" ) 1 " / &' & . 8/+ /!"# 4!"# &)& # 1 ,!!% &)& & i)!' ,&! )g ' !1/g '1 ,!& '@" )bb!&' /+ 1 - $ !& ")&& ,!&! &,& ! )g 8-*;.; ' !1/g (;.; ' 1 1 !&+ " ! / %& %1 &)& b&!& )& &)&h "" ! 1 1 ! !%' 1 !b" 5h 1!%@&h ""b "!' %1"1 '! ! &i)& 1 "" <h )= ')& &)& # % 1 !b" 5 b&!"!& )bb!& )b ! ,!)& !1/g (;.; . / 1 !&+ '@" !& )b ! ,!)& )g 8-*;.; 1 !&+ '@" ,!& !& block erasure time total memory erasure time 19"/ &*:(( ? 9"/ &17>( 19"/ &*:(( ? 9"/ &17>( 5&'%& 1-10 voice solutions in silicon ? figure 1-8: samsungs km29n040t flash memory diagram $& '()* 1 !b" 5 b&!"!& )bb!& )b ! ,!)& ) 8-*;.; 1 !&+ %1!) + 0& !" 1 8-*;.; 1 !&+ ) /+ %' &," ! "!&! 'a3& ,)"! ' ' b1 1 ! b" 5 b&!"!& &," ! 1 ) 8-*;.; 1&!)1 !& j4k ' !& jk !& j4k /'&"! ' b1 ,!& "!' ' ' ,!&! )& ( !& jk )' ,!& "!&! 'h 3&h ' 1b / < = ,& ! 1 ) 8-*;.; 1 '1 ,!& !& ,!&! 5&'%& 1-11 isd figure 1-9: toshibas tc58a040f flash memory diagram +& ,-.*# # 1 (;.; !&c' -( /!"# !, -( bh "1 "! >- /+ /!"# 1 ) 1 " / &'h ' . 8/+ c )& * ! -( /!"# & @/ ,!& &"!&' b ! ; /!"# + "! /' /h ' ! /!"# %& !" ' 1!' 1 !"! !, 1 ) )/ /!"# !& ,)&1& ,!&! /!) !1/g ( ;.;h b &,& ! 1 (;.; '1 # $ 1 1 !&+ + / &' )b ! ;;h;;; ! &')" 1 ,," !, 1 !h 1 !&+ & )c 1 1g /!"# @ +h h "1 /!"# &' !& !& 1 )/& !, h ! )& 1 /!"# 1@ 1 , !'& 1 ,!!% 0@ ) !, 1 1 !&+ '@" g /!"#f 1. "!&' ) !, <) 1 !&+ ,)= 2. +/"# ) < 1 &"!&'' = 3. ) 1 !&+ '@" )' 1 & -. '+h 0b"' , f 1 , p ;;h;;; a <-. q > = p . +& 5&'%& 1-12 voice solutions in silicon ? 1) 1 1 !&+ '@" % ,!& !@& +&h @ %1 )' ,!& %@ 1!)& !, &"!&' b& '+ !h 1 , 1 !&+ '@" )'h 1h )'& 1 "!'!h % ,!& !& 1 -; +& ( "/ 0 !b" 5 b&!"!& ) ! /!"# 1 0) &"!&' 'b' ! ,!)& ,"!&f 1. 1 /" "!b&! & <- 8/a !& $> 8/a= 2. 1 !) !, " 1 &"!&'' b"1 3. 1 )/& !, /' /!"# 4. 1 )/& !, &"!&'' < 1 /" !&+ !"! ) ,!& . 8/+ /!"#h %1"1 1 1, /!"# ! @& %' b& & "!&'' = ) &"!&'' 1 @/ !&+ b" !, . / '@" %1 ! /' /!"#h 1 0) &"!&' ) - 8/a "!b&! ,!!%f 0"( % 2 @!"/)& " / !&' 1& 1 'a !& 1 !b" 5 b&!"!& )bb!& 2 '@" 1&!)1 0b! !&+ b ! . 8/+ < .8 (= !, 0b! !&+ & )bb!&' '&"+ @&1h 1 ! b" 5 b&!"!& ) / !, 1 ! "1b b!& <4= ! ,)&1& 0' 1 . 8/+ ''& b" )b ! ; /+ ''& b" "!"' ! 1 !b" 5 b&! "!& ) 1 ' /)h <;f$=h 1 ''& /)h <;f=h 1 0'' ''& h < f(=h ' 0b! !&+ 1b "h h "! &! 1 )/& !, 0'' ''& b ! ) + @&+h 'b' ! 1 c ' "!,)& ! !, 1 note ()*+,-./ # 01* 0 % ( 0b! !&+ &' /) "+" & h %1 1 ' /) h ' 1 ''& '&@ ! 1 ''& /) &' <3= ! -3 "+" 1 "+" ,!!%' /+ 1& -3 "+" ' ! - "+" b' /+ 1 - $ 1 ' !, 1 - "+" 1 &"! &' >h %1 /"! "@ <55= 1 ''& & @' ) > "!b >5 "+" ''' , & 1 > "+" 1 ''& & @' ) 1 ' !, >5h 3; "@ <55= ')& 1 &' /) "+" ( .#!" 1 !b" 5 b&!"!& b&!@' ! "1b &," ! & "!'" 1 &," )bb!& "!'" !b&! ! !& 1!& ,& ,!& 1 ,!& "' %1 1 "!' table 1-3: recording time on a 4-mbit device silence total recording time 1!,)*"9 7,< 9"/,<9 b 1!,)*"9 7,< 9"/,<9 b 1!,)*"9 7,< 9"/,<9 b 1!,)*"9 7,< 9"/,<9 b 1!,)*"9 7,< 9"/,<9 5&'%& 1-13 isd figure 1-10: codec protocolshort frame 1 "!'" &," ) ,!)& h h 8 ' ; 1 b) b ' 1 h 8 ' ; !)b) b & "!"' ! 1 "!'" &,&&' ! 1 "!'" 1&!)1 1 b &' ,&! 1 "!'" 1&!)1 1 b # 1 31 1!& ,& b&!!"! "!,)&'h 1 ' / & 0"1' %1 "1 "!'" "1 ,&h h ; "+" &,& & %1 ; ! ,!& ! 8 "+" 1 ' 1 &'h / /+ /h @ 1 !)b) b !")&&+h 1 & "@' ' 1,' @ 1 b) b 1,' ! / "1 8 "+" )& ; 1!% 1!% 1 "!'" &," /1@ %1 1!& ,& b&!!"! "!, )&' # 1 31 ! ,& b&!!"! "!,)&'h 1 ' / & 0"1' %1 "1 "!'"h ,!& 1 1!& ,& b&!!"! 5!%@&h ,!& 1 ! ,& b&!!"!h ' &,& & /+ ; ! ,!& 1 8 "+" )!)+h 1 ' ,!& 1 ,& "!'" 1, ' !) / /+ /h @ 1 !)b) bh 1!& ,& b&!!"! !")&&+h 1 &"@' ' 1,' 1&!)1 1 b) 1 ' 1,' ! / "1 8 "+" )& 1!% 1!% 1 "!'" &," /1@ %1 ! ,& b&!!"! "!, )&' 5&'%& 1-14 voice solutions in silicon ? ! "(. "3(-1 "4 1 #".* note 2! # ! 3 ! ! *278" *"1"27*)2" ' * d "1"27*)2" ),<"2 e!79 *d $44 !,)* 2 )*)* =4*78"9. #!*0 2"9"/* * 6 ' ? * d? figure 1-11: codec protocollong frame - # "- "#" # p; !n$; h 2 p 2 r;sh p ; 2 table 1-4: electrical characteristics symbol parameter conditions min typ max units 3 7,< 3 77/!*7,/" ? $/*!=" )4: )22",* 2174 "27*!, <". ),,!,8 ""/0 $4!/7*!,9 ? ? c$ *7, c$ #"2<#, <" )4: )22",* #"2<#, <" ? c$ 1-15 5&'%& isd * - ' * ) ./(! .01 (* . *( 2/34 $56 '( ' 78 $ ' "* / 9# * / * * : / *; * $8 0/ < * $ = ! # ( ( ' &77 5 > / < ,)* 7< )22",* '? ? c$ &ff( )*)* "7578" )22",* &- !,9 !, ,)* <"( '? ? c$ % @!80 "="4. ,)* 4*78" ? ,)* #!*0 @:9*"2"9!9. 8!/74 ,)* 4*78" ? ,)* #!*0 @:9*"2"9!9. 8!/74 ,)* 4*78" ? @:9*"2"9!9 !<*0 ? ,)*. 8!/74 ,)* 4*78" ? + ? ,)*. 8!/74 ,)* 4*78" ' ? ? 8!/74 . )*)* 4*78" g ' ? c$ ? . 7,< % 8!/74 . )*)* 4*78" g ' ? c$ ? g - c$ ' ? 8!/74 . )*)* 4*78" g c$ ? g c$ ? . 7,< % 8!/74 . )*)* 4*78" g c$ ? g c$ ? ,)*. @!80 4*78" %>*"2,74 4/5 ? ,)*. # 4*78" %>*"2,74 4/5 ? table 1-4: electrical characteristics (continued) symbol parameter conditions min typ max units 5&'%& 1-16 voice solutions in silicon ? & .* "#" # % b","! 1 "! &,& ! ;( 2 !& -; 2 ! 1 & !& , ' !, 1 h )&' )& - 1&!)1 (h ) b","+ ' !1&% 0) ) "b"@ !' !, ; b 8 "&+ ,&i)"+ .;* 5c note 4 # +5 figure 1-12: synchronous output signals (valid, active and inactive) -. & #( # # ( !!" $? "@ figure 1-13: synchronous output signals (valid) -. & # ( $? "@ ? ? 2 !8,74 * ? ? ? !8,74 * ? 1-17 5&'%& isd figure 1-14: synchronous output signals (hold) -. & ( !!" figure 1-15: synchronous output signals (hold) -. & ( $? "@ figure 1-16: synchronous input signals -. & ( !!" $? "@( !!" $? "@ ? ? !8,74 ? * ? ? !8,74 * ? ? 2 ? ? ? ? * "*) * @4< !8,74 5&'%& 1-18 voice solutions in silicon ? figure 1-17: asynchronous signals -. & 1 1 "1 && b) /),,& )& ( 1!% 1 "1&"&" !, 1 b) /),,& figure 1-18: hysteresis input characteristics ? ? ? ? !8,74 $ !8,74 + * 5&'%& 1-19 isd ,. #(.(1 .* "3- 1 "!h ' ' ' "$ $ table 1-5: output signals symbol figure description reference conditions min (ns) max (ns) * ! $<<2"99 @4< $f*"2 ?%? ? * !" $<<2"99 74!< $f*"2 ?%? . ? * # $/*!=" $f*"2 ?%? ? * # @4< $f*"2 ?%? ? * # ,7/*!=" $f*"2 ?%? ? * $ @4< $f*"2 ?%? ? * $" 74!< $f*"2 ?%? ? * % 4/5 "2!< ?%? * ,">* ?%? ? . * & % $/*!=" $f*"2 ?%? . ? * & % @4< $f*"2 ?%? ? * & % ,7/*!=" $f*"2 ?%? ? * ' $/*!=" $f*"2 ?%? ? * ' @4< $f*"2 ?%? ? * ' ,7/*!=" $f*"2 ?%? ? * &&# 79*"2 % 4/5 $/*!=" $f*"2 ?%? ? * &&# 79*"2 % 4/5 @4< $f*"2 ?%? ? * &&# 79*"2 % 4/5 ,7/*!=" $f*"2 ?%? ? * &&$ 79*"2 % 7*7 )* @4< $f*"2 ?%? ? * &&$" 79*"2 % 7*7 )* 74!< $f*"2 ?%? ? * &$( % 7*7 47* $f*"2 ?%? ? * &$ % 7*7 )* @4< $f*"2 ?%? ? * &$( % 7*7 47* $f*"2 ?%? ? ? * &$" % 7*7 )* 74!< $f*"2 ?%? ? * & % * 2787*!, !1" ? * &)$* $/*!=" $f*"2 ?%? f ? ? 5&'%& 1-20 voice solutions in silicon ? * ) 2 a = ( /(/// * - ' ( ' * &)$* ,7/*!=" $f*"2 ?%? ? ? * +!, + 7,< $f*"2 ?%? ? * +!," + 7,< $f*"2 ?%? . ? table 1-5: output signals (continued) symbol figure description reference conditions min (ns) max (ns) $ table 1-6: input signals symbol figure description reference conditions min (ns) * $ @4< $f*"2 ?%? ? * $ "*) +"f2" ?%? ? * $ 7*7 !, @4< & h( $f*"2 ?%? . 2 ? * $ 7*7 !, "*) & h( +"f2" ?%? . 2 ? * &&$ 79*"2 % 7*7 , @4< $f*"2 ?%? ? * &&$ 79*"2 % 7*7 , "*) +"f2" ?%? ? * &# % 4/5 @!80 &947="( $* ? &e*0 "<8"9( ? * &# % 4/5 # &947="( $* ? &e*0 "<8"9( ? * &#% % 4/5 "2!< &947="( ?%? * ,">* ?%? ? c9 * &# @4< $f*"2 e"/1"9 !,7/*!=" ? * &# "*) +"f2" e"/1"9 7/*!=" ? * & @4< $f*"2 ?%? ? * & "*) +"f2" ?%? ? * &$ @4< $f*"2 ?%? ? * &$ "*) +"f2" ?%? ? * +) #"2 *7e4" * %% ?%? $f*"2 2"7/0"9 ? ? 19 5&'%& 1-21 isd * - ' ( ' = * - ' ( ' .* "*#" figure 1-19: codec short frame timing * )- %% )49" !<*0 $* ? &e*0 "<8"9( ? 19 * @!80 $* ? &e*0 "<8"9( * % -' * # $* ? &e*0 "<8"9( * % -' * % 4/5 "2!< ?%? * ,">* ?%? ? table 1-6: input signals (continued) symbol figure description reference conditions min (ns) 5&'%& 1-22 voice solutions in silicon ? figure 1-20: codec long frame timing figure 1-21: rom read cycle timing * ! ' ' !) 9) ;( !b( !b5 * # ' 8 # !0?( !0?( !0( !b "* ! ' ' !) 9) ; ! 5&'%& 1-23 isd figure 1-22: microwire transaction timingdata transmitted to output 5&'%& 1-24 voice solutions in silicon ? figure 1-23: microwire transaction timingdata echoed to output figure 1-24: master microwire timing 5&'%& 1-25 isd figure 1-25: output signal timing for port pb and mwrqst -. ! ' ' !) 9) ;( !0( !b !b5 figure 1-26: cttl and clkin timing figure 1-27: reset timing when reset is not at power-up 5&'%& 1-26 voice solutions in silicon ? figure 1-28: reset timing when reset is at power-up -!,%& 2-1 isd %)#(&' (5#5& 1 !b" 5 !,%& &' 1 ! "1b ")' /' !&1h + )bb!& ,)"! ' !,%& &," ! 1&'%& b&b1& 1 ,! !% "! ' "&/ 1 !b" 5 !,%& /!% 3" "-*(# ? b"1 "!b&! ' '"!b&! ? '"!& %1 "1! ""& ? 2: ' "! &+ '"!&h ' ' ! '"!& ? & !' ? @!) "!&! , 1(# ? !' &," ! 0& "&!"!&!& ? !&+ ' & ? 2 )bb!& ? ! &!& ? "!"# 1'& ? !%& '!% !' )bb!& ##"- 1(# ? 1 &," <& 3 1'&= ? "&!"!&!& &," <@ 3 1'&= ? !'" &," 2 - 2 voice solutions in silicon ? table 2-1: speech commands command description opcode hex source state result state command parameters return value name s/a description bytes description bytes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isd 2-3 ' ** , , - 2 & # 7) " # # / # 3 .' 3 .5 (7 > ! ! & 6 , , / , + ,. #* ! , & ,. # .' + ,, (7 > ! & 2 *$ ! & 2 $ .' $ 5 (7 > ! ! & +% + ,, * +%"( +%"( &""' , + + ,, *6 ! + ,, 2 4 *? 7) 4 &- # ( ( 2- . ' #0 (7 7) ! ' # 2 #$ 7) " # 1 1 - 2 2' * ! + # / # 4 2 4 , # 7) 5 = = = 5 # / @ #6 ! 8 1 # / 1 1& a (7 7) "% ! & & # 4+% 4 + ,, # +%"( +%"( table 2-1: speech 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 ? ! " # $ % & ' # (' ) *+,$ + #-./ 012 $ " " # 0 '0 $ ! 3 + " + ! 4 + 3 " & ! " 012 5 ' 67 5+ " + 0 0 3 + 8+ " " " 3 ! + # 91 97$ 3 : + 8+ ; + # $ ! : "+ < + 3 ! 4 + # ' $ 3 " #4$ ' #' $ 7 # 7 $ 9 #9 $ ! #$ 3 # $ " + 2-5 isd 7 ! -=>.'13?=>0 " 0? ( @4 ' ) a " " *,+ " " 17'@ + + " " 97 *,+ ! b -=''.' * 17'@ " 7 17'@ " 97 #9 7 $ " 17'@ -=''.' 97 #9 7 $ + 2 ( 0 ) a* c ; : 2 + "+ <> d " ; + + +5 ( 0 ) a* + <> + : " 030 + & + " + & .9 1 #.91$ ! 1 #1$ .91 3 3 2 " + " 3 ' 19 # 1 $ 7 + + 0 + + 0='.'0 ' 4 " 7 19 + " " 719 #7 1 $ + 2-6 voice solutions in silicon ? " 719 '19 #' 1 $ 19 # 4 1 $ + 6 # ( 0 ) a* + $ < 0 > ? # 0 " $ 3 4 # $ #01 $ ' # $ " 1 # 1 $ 3 # $ ' #' $ + " ' + ! 1 01 '19 91 #9 1 $ 0 + + " 91 4 ! + c + & + .9 1 + ! # *e$ + #f e g6 * h5 g6$ + 4 + 91 1 note ! "# $ %&'( )* # + , . e g6 *i *, i+1 " h5 g6 *f * d *f d + + *e 0 4 - " e g6 h5 g6 + - 3 "+ 2-7 isd # $ 0 + 012 " + #-./$ + 0 " 0 0 # 0 14$ + '0 #' 0 $ j*f 012 # 97 (97 9 7 ) a55$ 012 0+0d,,+033 & # +$ ! " # $" % & '(# $ & )*+),-.* " /0 $ " 12 ( $ 2 3 $4 5 6!/ 7 & '(8 $" & ! " 2! # $ /3 $ " 5 & '(8 $" 9/3 - & & " % " 63 " - & & 63 8: " ;)*<;=-5 & table 2-2: dtmf detector performance 1 play/ivs synthesis record/idle ! "#$ "%$ &' ()#* ()#* +, - ). ). ' "#$ "%# , / 0 0 - / %0 %0 2-8 voice solutions in silicon ? graph 2-1: transfer functions of agc circuit from line 1 2 3 $$ 4 %$ # $ .# .$ )# )$ 5# $ # %$ # $ .# .$ )# )$ # $ # 67 : " 012 .91 + 4 2 4 39 " 4 " + 39 # 39 ?3k k> .>=9>'3 + $ 39 + 29 " 6 " #2 + ( 0 ) a*$ 012 d + : + + 4 2-9 isd " # + : ffa5iff &$ + k #. .$ 3 9 #39$ 2 + <> (<> + ! =" ) ae* d + 4 + : fa**ff & 9 + : + + " ! " 2 +* + " " % 1. d + + % d<k=1>=.>=1 d<k=1>=.22=1 d<k=13/=.>=1 d<k=13/=.22=1 2. d d<k=-'2k=.<> d<k=.>=k 30>=0?3 d<k=-'2k=.<> + .6. 30>=0?3 ! + . . d<k=.>=k d<k=.>=k + ? " % d % l*a5m n 30>=0?3 l*a5m n 30>=0?3 + % l*aim n 30>=0?3 l*aim n 30>=0?3 3. d 0 .>=.>=>'9k '.?0 .>=.22=>'9k '.?0 4. d 0 1>=d<k=0=1 5. " 012 " " 4 39 " 012 + + 7 39 012 012=93>=?-?=3=0?=1.07 39 012 6 7 * + 5 d 012=93>=?-?=3=?3k=1.07 39 012 7 * + 5 d 2-10 voice solutions in silicon ? graph 2-2: busy and dial-tone band-pass filter frequency response figure 2-1: busy-tone detectordefault cadence specification &' 2894 :;);< = )$$ : ) < = )$$ )$$ = ; = )0$ >$ = = )..$ + ff & 5iff & 4 + 7 c + #-./$ + + % .>=>'9=1 o .<> .>=>'9=.?'3>=1 .>=>'9=?.7='.?0 .>=>'9=9='.?0 + : ff & 5iff & + + 3 7 + + c + #-./$ + + #-./$ % -./=>'9k='.?0 -./=1=.<> -./=.?'3>=1 2-11 isd 012 + : 5ff & 5fff & *ff & 3+ihf+ ' > " " " " ? 012=7=?-? " 012 ? < - .>=9>'3.>=?-? " ? < 9 012 : ? 012 : : 012 0 " d < 2 p+ 0 " 0 " 3 #3+ " 0$ + 3 + -=>.'13?=>0 " + + ''=0 0 7 0 " + " 90 + 0 90 (90 9 0 + ) ah + 0 " 0='.'0 + # <> (<> ! =" ) ae*$ 2 0 d f -5 39 " + 39 " 012 39 " 2 d >0 # > 0 " $ >31 # > 0 " $ 012 #+ 0 1 2 $ 1012 #1 0 1 2 $ 2 2 > > ( 1 ) " >+ 2 0 3 + 0 3 > 2 0 0 # 90 $ 2 0 0 *h 2-12 voice solutions in silicon ? 2 p 0 & *5f *8 0 " 0 90 2 30 90 + " 0 ( 0 ) a* 0 "+ 0 d f -5 0 " + % d? d ? " 0 + 0 0d? 0 0 0 + " " 4 % ! # " " + + $ # + + 030$ 3 " & 3 : "+ - " " ! " - + & + " 3 - % ? 1 " " ? ++ ? & " " : : ? 3 # ! % $ ? 3+ & ++ # " q 4$ ? " % C . " # ! % " $ C > " # ! % " $ C > # " 2 $ C 7 # " + 9 $ C 0 4 # " $ " "+ 2-13 isd " : " b : & - & 3 : + " 4 () + ! " 2 ! + " 7 " : . " 4 " . " : 3 " : & + # ++ #1$ 030 " + $ : : ! " > " 7 + " "+ + " " " 7 & ! "#$%& ! 4 - " 3 - " " & " k & " "+ " ! > & " 2 ! & % ' + ! * ( ' ' f ) ' ! ! 2-14 voice solutions in silicon ? 3 : + " & < " " 4 " + + & 2 ! 2 6 '.1 + " " " + % - n * o n +( * o " + " ! 3 + f ++ ++ + + % f * ++ + 7 % ,&)&! 7 % ,&)"! + + 2 + % figure 2-2: the interrelationship of a word table, a sentence table, and a number table !" #$%#& '(()( '(() 2-15 isd " " & - " 2 ! 4 - % ? 0.+ - ? -..? 7 3 7 5* " 4 " " + " # - 1+0. #" ef $ " + 1+ 0. - + " '.1 2 - " e g6 h5 g6 " k + : " + - " " $% & # ' ($) - 4 7 + " & + 7 - - " '.1 " 2 + " >p + - : " 7 . 3 & + : " + % 1. 0 " 2. " # $ < -..? 7 5* 3. ' " 4. ' - " " " - "+ 5. ' * i - " 6. d - " '.1 2 " < >p #c -$ 2 " 7. . " + + & 2 +5 " + '.1 2 " 2-16 voice solutions in silicon ? figure 2-3: creation of an ivs vocabulary / ,' 7 ? ' 7 ; @1 7 7 24 @1 1' -a -a / ; @1 aa! b/ @,c 7 < & % 1. !"#$% &'% ' " ' # (' ) *+,$ 2. 29 # $ + " 3. > #& $ & 4. <> c + : 1'.7'6?<r + >+ ; .r r & + 1'.7' + 1'.7'6?< " " 4 4 iff g& b # $ " 3 " 2-17 isd 17'0k * + 3 17'0k f + 7 + ! " " f!33 17'@ f + 1 d #1d$ " 1d " *+# 1'.7' 0 < + + *,- " & 4 + . " 4 " 170> 4; 170.< 4; + 17 * 1'.7' 17 f + 17 f + " 170.< h + " 17 + & + " 4 17?g + 17?g + *+"& 1'.7' 0 . < + 7 + " 4 " f!33 + ; + " *+. 1'.7' ' 7 " #f$ + # " $ * + + * ! ! " # " $ 17'0k f 2 2-18 voice solutions in silicon ? */ 1'.7' ' : 7 " #f$ " 17'@ " # *$ " 97 #9 7 $ 3 " #f$ 17'@ 4 + 3 17'@ 17'0k f 17'@ " -=' + 97 " -=' " " 17'@ 7 17 " #f$ + 170> " 17?g + " 4 170.< 170> # 4 & + $ " + # " 4$ 7 + 6 +" 6 +" + 6 +" 17'0k % 1. 3" #f$ 1 7'0k 6 " # $ 2. 17'0k " # * $ 8+ 6 17+ ?g 4+ 3. 17'0k " # f$ " # $ + 3 " 17'0k # $ !+ "+ " 4. 7 " 17'0k " " +" + + " 17'0k " # f$ + # (>'23 '...? ''.' 3>+ 0?>9) a*s$ 17'@ % 1. 17'@ " # f$ 2. 17'@ " #f$ " 97 2 +i : " 1'.7' 2-19 isd # ' 0 1 0 ; *ff + 17'0k ! + " + % 1. * 2. -=1.< * 3. 3" 17'@ # f$ 4. 3" 17'0k # f$ 5. 7 #3 + + " 17'@ + ! $ % *% 4 " < 4 " + # ''=1.< $ note - * ./"" ) * * " " f!33 < " 17'@ ''=.11 figure 2-4: sequence of activities during a microwire byte transfer 2-20 voice solutions in silicon ? figure 2-5: master microwire data transfer ; 1 1'.+ 7' 1'.7'6?< + 2 " " " 1 1'.7' " 1 1'.7' ; 1 1'.7' 4 #11?g$ 1 1'.7' #110.<$ 1 1'.7' #110>$ 1 1'.7' 2 " + fa5 : " " + 2 ' * *#"# + ' d 1 1'.7' 1 1'.7' 4 #11?g$ 4 #?g$ 3 1 1'.7' + 2-21 isd ! : " " ! " ! " ! note: " # # ./"" ) * ./"" ) * + * ()!* )% ""%$ 7 " 30 % 0 + " 0 0 7 0 d f -5 # " $ ; 012 " 7 0 0 " -=>.'13?=>0 " " 0 ''=0 -=''.' " " 0 90 0 # f * 0 $ 0 + note: - 0 12 # * 12 3 * 0 12 04 5 2 12 56 12 ! .7 128/0709( 2-22 voice solutions in silicon? &+,!-#$% &'%(. " " +'* % ! ?4 f ?4 # $ * ?4 '.'0 4 # " $ 34 ' " &+,!-#$% &/0 () " " +'* % ! f + # $ * ?+ #9 $ ' " f &'d . 7 ;;78 . d 7 @ &'d % $) 7 ;;78 % $) 2-23 isd f # $ * 4 " 012 4 39 4 3 39 # 6 $ 5 ' " f 637 ff ' " f* ' " *f ; e83fif2 2 ** ; g1s>fif 2 " *f 2 834 ' " ff 93! > 2 " - * i 2 " 0 * 0 1 f > 1 * 1 % 0 0 " 0d? 36 0 3 fff < d ff* 2 f*f 0 f** p *ff 7 ' " f 2-24 voice solutions in silicon? note: ./"" ) * :;0' $% )%%11 -% *'*(+- i g 4 + 19=.> " % #*h ! *'*(+- a $ ! 5 . 19=.> #5 $ 19 719 '19 0? -=112? : -=11?.7 &'d $) $ .% 7 ;;78 $) $ .% d 7' 7 ;;78 /e /d 7 ' 5 f 7#0$%$ f ; &'d $) $) $$ $) 7 ;;78 $) $) $$ $) d 7 / f % g 2-25 isd #)%11 -% !" * *f ! " * ,eef + jf*i note: 1 h "<86570=8"62 * > 2 2 ( 2. 2 ( 0 %?: 9 9 % * 2%(3&( 4#" $5 4 # 4$ - '.1 2 " " " * . " f " ''=>-3?0 %"%)%%11 -% 0 0 0 ! 91 4 ! c " + &'d . $. 7 7 ;;78 . $. 7 d 7' ' &'d . 7 ;;78 . $) d 7e ' ' 7 ;;78 ' ag 2-26 voice solutions in silicon? %"%)%%11 -%1 0 *' . *- % *- t *' *- 3>0 3 ! < 91 + " &'d $ 7 ;;78 $ d ' &'d $ 7. $$ 7 ;;78 $ 7. $$ d i ,' . / / d $.d i @ 0 i id $ > d /+ $j )j / %#d $$j@7+ $)ja6 )$j7 )%d ' )#d 6@ # 0 ! 2-27 isd %) &+,!-#$ )!&+ "#% ' : % !34 1 " 93: 1 ff ' " f* ' " *f ; e83fif2 2 ** ; g1s>fif 2 29 > & 29 ! & + : %) ' 0 + % f 0 * 0 '' 0 " 0 ! p 0 > 0 0 *h ! 2 #$ #7$ #$ 7 " ''=0 + #$ &'d $. 7 ;;78 $. $. $) d 6 7 ;;78 ' 7 ;;78 1 )f / 2-28 voice solutions in silicon? 7 * " % d f 1 d * d > #2 0 $ d 5 d i 3 #* $ d e 3 #* $ d , #* $ #2 0 $ d h 13'g " # 0=3'31i$ #$ #7$ #$ 7 " ''=0 + #$ 7 * " % d f #$ 0 " -=>.'13?=>0 " d * 4 d > d 5 + f # 0=3'31f $ #$ d i + * # 0=3'31* $ #$ d e + # 0=3'31 $ #$ d , ' " d h 2 " #7$ 3 > > % u; " #3 u;$ u.; .++ 6" 36 > > % 2-29 isd u; " u.; .++ 6" 6365 1a3 f* * i 1d 66367 03 f* 5* ii 1d 68364 3 ff 5 i, 1d 6936: 1 3 ff es i8 1d 7!38: > 2 # 0 $ 4! # 0$6 #2 0 $ p 0 *5f % ! ' " 7 * " % d f #$ d * ' " d > # $ d 5 1 0=3'31f 30 d i 1 0=3'31* 30 d e d " # *8 " $ d , ' " d h ' " 3: 0 ' #f$ + " 2-30 voice solutions in silicon? " & 0 ! " *5f p 0 0 # + t f$ h* " ''=3'31 %)$$&$&$' ' + ! *,+ ! b -=''.' * 17'@ " # f$ 97 ! 97 ''=.113>0 ''=3'31 ! " " " & % "# & " $ : "# " " 1 1'.7' "% + 0 ; *ff " " # " $ 67@ &'d .; $$ 7 ;;78 .; $$ %05 7 @ d 7 ;;78 ' %0 7 @ )# k 0 > # % . ) $ - ;--h7@ ;--h @,1!@ ;--h @;al ;--h 7a - ;--h - ;--h 7a, ;--h a 7a; - 2-31 isd "$ & ! " 0 %)+,&$/ )!&+ ' *,+ " + % f 012 *f " 012 012 + * *f " *f 5 " *f : 9 + " # f * 4b 0 $ " " 6;b &'d ) 7 ;;78 ) $$ $. d 6 7 ;;78 / 2 6 b / ;1h;--a- ' /4 7 ;;78 d ;--ha 7a;d &'d .# $$ 7 ;;78 .# $$ $$ $ d 6 ' 7 ;;78 d $ 2-32 voice solutions in silicon? %)%+-)2 ' 5 " #,i 4 5 " 4$ 4 " 4 2 4 ifs, ifse 4 i g # % ifs,65 t *8$ %)%/&$5) )#1 ' *,+ e g6 % " " . % f * ' f #2 $ f #2 $ " " . & &'d )k 7 ;;78 )k $. $$ d 6 ' 7 ;;78 d #). f ' )0% 2#). m .4 &'d ). $$ 7 ;;78 ). $$ $) %$ d -' 7 ;;78 d .$ 2-33 isd %)%11 -% - ' *,+ ''=-3?0 %)#/4%$&,%11 -%1 ' *' . *- % *- t *' *- 3>0 *' *- b " + 2 ! *' ti 16 *- t52 16, ! + (139 39) a, + *- t f ! *' " %)) )#1&$' ' + ''() ! *,+ " 17'@ # f$ " " 97 &'d $% 7 ;;78 $% $$ $; d 6 ' @ / f 7 ;;78 ' ' / @7 i ,' $ &'d )) ; $$ $ 7 ;;78 )) ; $$ $ $$ $# d 6 ' / $ f ) f 7 ;;78 / &' 2-34 voice solutions in silicon? 97 % "" 012 3 " 012 # 012 9 $ ""$ * t 012 -=012=09 "$ &"$ * t > 4 "%&& * t 1 " * t 97 "%* * t d < "&! * t > # 19 $ " &$ * t 0 < "+ * t 3 # $ < # -./=1=.<> +5$ "$"$ * t 3 < # .>=>'9=1=.<> +5$ " 7 + : ' * 17'@ " # f$ !" ! 2-35 isd > f > + " +& " * t 012 %+%$ )%&+% 9 *+ " % ! * 36 012 7 012 % /012 3 4 3 &5 &5 33 dv w 0d 20 734 f + : % ! f ! &'d )% 7 ;;78 )% $$ %$ d 6 7 ;;78 ' b 2 -n 7 ;;78 / ' /4 7 ;;78 ' 2-36 voice solutions in silicon? 37 5a5f " *ae *ff : : #5ff 5fff &$ 8; 4 f 4 " " %)!/% +' 5 ' + " **. % f 9 * 9 ++ 3 **. ++ % !3 0 4 #* h$ 534 #f 5$ 935 1 #f es$ 637 ff ** 0 # 0$ ! note: 1 hh "77816<0=12 &'d $ .$ 7 ;;78 $ .$ d 6 5&' )$$ 89 2-37 isd %) --%'%11 -% ! " :% *- t *' *- 3>0 % f # $ *8 # $ ! a " note: * * 4 & + 1 7>"( 1 0=."( 1 * 0 # # # 4 # a 2 . 2 b %c 4 &'d $; $) 7 ;;78 $; $) ;0 .k d 6 ' 55 7 ;;78 / /e #d%$ ' ' ; / ' / ,d @ ' ' 55 f op ' /e i 'f ' ' 2 1<. >d 4 2-38 voice solutions in silicon? +!)! "!6%51)%/ ! # 29 929 $ % ? & ? 1 01 01 ? 4 f ? " " - f ? 4 #f$ ? 0? ? & > ! " ' 6 7; $$ $ &'d $k 7; $$ $$ 7 ;;78 $k 7; $$ $$ $) d / @7 f i ' f ' / i 7 ;;78 ' ' ' / '5 / / @7 e @ i ' d -'h q 62 7;f $$ f )4 b 2-'1 qq -l;4 24 +m m+ h q 624 +m m+ 2 >4 +m e rs m+ 62 7;f $$ f )4 +m 6 i / m+ ; 2-39 isd 7 +8%()' ) c " & 2 4 2 " - " & b ! < -. 4 " ''=3'31 ! 2 4 - " 4 - # " & ig *ff 4 2 " + $ %/&$5%1%) 2 4 & # ! > $ d 4 4 - " + ' 0? note: $ &'d ) 7 ;;78 ) d @9 7 ;;78 $, - ' &'d .k $$ $$ $$ 0$ 1' 7 ;;78 .k $$ $$ $$ 0$ ; d @t ).0 ' 2-40 voice solutions in silicon? " 54 (3 d 4 ?3k 7 + 4 -=>.'13?=>0 + " # f$ 17'@ 4 3 ' ''=>-3?0 #1% ! ' 9 . 7 3 3 b ! ' note: 2 * / &'d . 7 ;;78 . d ; e # &'d $ 7 ;;78 $ d ' # &'d )7 7 ;;78 )7 d ' e ' 2-41 isd &&&9%$'&9+&'% + # ( + 1 ) *+8 $ + note: 1 * -7e. *( /2 * %(&$' ' '.'0 ' ! ' 3 ' -=112? note: 0 !! 3 7 ."2 * ! ! 12 0 # 1 d * 12 ! % ? #1$ ? #1$ 30 " 0 ? #1$ -=>.'13?=>0 0 0 " ? #1 .91 $ ' 0 " 7 .91 0 " 0 ? 90 " 0 " 0 " # &'d ) 7 ;;78 ) d ' 7 ;;78 /5/ 2-42 voice solutions in silicon? %1%)%)%()&$1 ' " +**- 3 * 4 3 f *+ +**- % ! ' 35 ' " 1 f 6 ' 7 ' #-./$ 8 ' 012 4 ' " 1 f %1#/% ' " 3 2 d &'d $7 $$ $; 7 ;;78 $7 $$ $; d - / @7 i ,' / i &'d .7 .$ 7 ;;78 .7 .$ d - 1au 2-43 isd % '%11 -% ' 5 " 5 0? 19=.> + 5 0? ''=>-3?0 -=>.'13?=>0 " 0? " % '%/&$5 ! < '19 )&0 ! 0? ! 19 719 '19 &'d ) 7 ;;78 ) d - ' e / / ' f ' &'d . 7 ;;78 . . d - . ' 2-44 voice solutions in silicon? 5 $-#/%+)%'%+)%+(% 3 +* " +* *+ 7 -=>.'13?=>0 " 17'@ " ''=>-3?0 3!0 (39 $' 4 4 * f 4 * + " " 5f ,i 4 ex ?3k ' 4 ! d ! -=>.'13?=>0 17'@ " + 0? * 5f ''=3'31 4 " &'d $$ 7 ;;78 $$ d ' 2f ef 4 ' 7 ;;78 @!; &'d ); $$ $ 7 ;;78 ); $$ $ d ' ' ' / rs ' 2-45 isd *% ""%$ ) " 0 0 ! ''=>-3?0 f * f " 0 * " . " #u ;$ " " - % +& f n y h* note: 1 12 * 7 ( * 12 . 12 %)%)%()&$1 13 -./ " +*- + 3 * 4 3 f 0 *+ +*- % ! ' ' . &'d . )k 7 ;;78 . )k d e e ' - d %0 7 @ 7 @ ' 2-46 voice solutions in silicon? 35 ' " 1 f 6 ' 7 ' #-./$ # -./ -./=1=.<> -./= >'9k=?-?$ 8 ' 012 4 ' 012 # if $ 3!0)&+'&,%11 -% " ?3k 7 "4 4 # 3 $ c 4 c %)!/% +' 5 fa*5 + ** ** % !3 0 4 #* h$ &'d )$ 7 ;;78 )$ d 7 ;;78 f i 55 &'d .% 7 ;;78 .% d e ' 2-47 isd 534 #f 5$ 935 1 #f es$ 637 * ** " " ''=3'31 3!0&$9 $' 4 * f + 4 * + " " 5f ,i 4 e ?3k ' + 4 ! 2 ! -=>.'13?=>0 17'@ " + 0? * 5f ''=3'31 4 " %)%11 -%&!+)%$ # *'*. ! 5$ . &'d $ ; $k 7 ;;78 $ ; $k d )$ . &'d .. $$ )k 7 ;;78 .. $$ )k d e / ' 2-48 voice solutions in silicon? # *'*. ! 5$ -=>.'13?=>0 0? %)%11 -% - + * ! + ! 4 (139 39) a, 4 note: 1 "77816<0=12 3 : * 5+%&$' * ( " *+ * ( " f ! " 7 4 -=>.'13?=>0 " 17'@ &'d $ $$ $ 7 ;;78 $ $$ $ d . ' / &'d $# > 7 ;;78 $# > d e ' / i , 7 ;;78 / )v 2-49 isd * ( " - ''=3'31 " ''=>-3?0 %)" 54 (30%%' 4 . + & # & -$ ?3k + . *5 " a, y, 3 " f > " . " " " + ! n c 4 . c . a, y, ''=3'31 5%+)%+(% +* " +* *+ f " 7 -=>.'13?=>0 " 17'@ +* " ''=3'31 " ''=>-3?0 &'d $> $$ 7 ;;78 $> $$ d ' / / ' ' # &'d ) 7 ;;78 ) d e # 2-50 voice solutions in silicon? %)&( 4#" $550% " " " *+ . % f 2 * ! " '.1 ! " 2 3 ' " " - . 7 3 ! " : " # $ . * " " - " ''=3'31 5&$'1 ! ! . -=>.'13?=>0 17'@ " - o8 ''=3'31 " ''=>-3?0 &'d ) $$ 7 ;;78 ) $$ d ' ' ' &'d .$ $. $ 7 ;;78 .$ $. $ d ' / '5 f / f ' ' 2-51 isd #+% " 1 # $ + " .* 0 0 3 3 #033$ <> " 1 " ''=3'31 note: * 161 ! &'d .) $. $$ $$ 7 ;;78 .) $. $$ $$ d ' /f / ' 'f / 2-52 voice solutions in silicon? +5 ! " table 2-3: tunable parameters index parameter name description default $ 7@h -$ 5' 7 @ f 7@ f )$ ' ' ()$ @ 7 @ / f ;--h7@ @ ' $f e 5' = * @ ?::9: $ ) 7@h -) 7 @ .$. 1.d 5' - f 7@ f )$ ' ' ()$ 7' ' / d i' f f / 7@ f ' .$ 7 @d ' ' )#. ' 9 / 7@ 7 @d ' .$% 2. ?%$ 7@ 4 ' ' l 7 @ / 5' 7 @ d i' 2 7@h -h;,h7a; 4f 7@ f )$ ' ' 7 @d ' ' 0$ @ 5' f ;--h7@ @ ' $f e 5' = * @ ?::9: $ . 7@h -. 7 @ .$. 1.d ' - )$ ' ' ()$ 7 @d ' ' 0 ' ' l 7 @f / 5' 7 @ d i' / / ' ' 7 @d ' ' #$ @ 5' f ;--h7@ @ ' $f e 5' = * @ ?::9: $ 2-53 isd 7@h - 7 @ ! .$. a 1.d 5' - )$ ' ' ()$ 7 @d ' ' % ' ' l 7 @ / 5' @ 5' f ;--h7@ @ ' $f e 5' = * @ ?::9: 7 @ / d i' ' 2 4 ' ' 7 @d ' ' )> 7 @d ' ' %. , @ ' i ' /f / ' 7 @ / 2 67@ 4 = * @ '? $ % h @!h8-; 8a! f / f f = * @ f%? 9;%' :% ? 3( )).% # h @!h8-; 8a!h ; @ /f / @ f = * @ 9 '; ). h @!hl- h8-; 8a! ' ' f @ /f ' @ f / ' = * @ 9 . > h @!h8,6h8-; 8a! ' f ' f @ /f / ' @ f = * @ ; 9 )# 0 h @!h;,!; $ ' ) table 2-3: tunable parameters (continued) index parameter name description default 2-54 voice solutions in silicon? k h;,;-6wh 7a- ' 9 ' 'f 9 @ ' 2'4 ' ' /f 9 24 = * @ %' ?9;' 0)k. )$ 1auh;,;-6wh8-; 8a! ' / / f < 3< ) #k . ##. #.> % #$. %0 ). %# .% %.. %0 k# k % )k. % 0% $ >0 .>% )# .%% $>. )0% )..00 )#% .%#k ).% .>> ))) = * @ 9%c?c ). )) - ). 1auh@;h7al, f ' )$ f 7 ;;78 ' ()$ = * @ ?::9: >$$ ))# - ) a,;h6;,;-@a,h!;1;! 7 / ; ' ' if ' %f ' ' '' ' a,;h6;,;-@a,h!;1;! 1a!h!;1;! f 17 / = * @ 56"84"6"701568="<"= g <5=8="<"= % table 2-3: tunable parameters (continued) index parameter name description default 2-55 isd )> h@,h;,;-6w ' / @ ' 2'4 ' .f 2 4 = * @ 9% 'f? . )0 a,;h@;h7al, 7 ' f )$ ' ' ()$ = * @ ?::9: >$$ )k a,;ha,h;,;-6wh 8-; 8a! ' / ' a 2 >$$ 89 4 @ ' 2'4 ' . ' ' 2 4 / ' / 2 ' '' / %$$ 89 / t '4d * " 3!< ( )$ )0 .$ .0 )$$ .)> #$$ )%> 0$$$ .# = * @ ?::9: )$ .$ a,;ha h;,;-6wh 8-; 8a! i' / ' a 2 >$$ 89 4 @ ' 2'4 ' . ' ' 2 4 / ' a,;ha,h;,;-6wh8-; 8a! = * @ ?::9: ))$ .) 17h!;1;! 7 ' e i ; ' ' if ' %f ' ' '' ' 17h!;1;! 1a!h!;1;! f 17 / = * @ < 28="<"= g <5=8="<"= % .. 1auha!;-,7;h@; 7 i' 5f )$ ' f ,a 1au = * @ %:: table 2-3: tunable parameters (continued) index parameter name description default 2-56 voice solutions in silicon? . @,hl wh;;7h@; ' ' f )$ ' ' ()$ = * @ ?::9: $$ .% ;78ah;!w 5 0$$$ 89 2f ).# m 4 = * @ ? % .# - . h-;1hb@ 7 / / 7 ;;78 b / 0 f / % 2'4 0 2 )4 $ .> hb@ h!;1;! 5 ' / f 6 f / 2/ &' &'4 ! , 2! ,4 / , 2 ,4 f ' '' $#% 2 4 7 ;;78 '9 / d 6 * 3!< ( $$ ) )>0 . )% ).k % ).% # ).$ ))k > ))0# 0)# ))0# ' ' ' / 2a,;h6;,;-@a,h!;1;! ? 1a!h!;1;! =6) ' f )% 1 / ).% 1f / / )k / .0 7@h-;7;@1;h ;, @@1@w @ 7 @ .$. 1.f 7@h-;7;@1;h ;, @@1@w ' f f 'f / 7 @ = * @ &%? &9; .k - table 2-3: tunable parameters (continued) index parameter name description default 2-57 isd $ 7@h -h;,h7a; @ 7 @ d 2 4 2/ 4 ' ' / ' 7 @ / rs u 7s 7 @ .#% )% - %> 7a, h,-6h@;h7al, ' ' 7 ;;78 l d )$ 'd ()$ = * @ ?::9' >$$ %0 7a, h,-6ha!;-,7;h@; 1 f ' f l d )$ = * @ %:: # %k 7a, h,-6h!abh8-; 8a! ' ' ' / d 2) )+. 4 m h = * @ ? ) #$ 7a, h,-6h8@68h 8-; 8a! i' i' ' / d 2) ? )+. 4 m h = * @ ? ) #) 7@h -% . d l f 7 @d ' e - ' 7@ $ #. 7@h-;7a- )j7 7@ ' ' $j 7@ ' ) # l wh@,ha,h@; ' a ' , /e 2$ /4 i' ' ). 2f ).$ ' 4 ld )$ ' (.$ = * @ )$ #% l whuha,h@; i' a ' 5 ld )$ ' (.$ = * @ )0 table 2-3: tunable parameters (continued) index parameter name description default 2-58 voice solutions in silicon? &"#/% &+)$&" " #4 " $ j5 d " " " * " " +5 ## l wh@,ha h@; ' a ' 5 ld )$ ' (.$ = * @ : > # l whuha h@; i' a ' 5 ld )$ ' (.$ = * @ : ).. #> l wh1;-@ wh7al, ,' a+a ' ' 5 = * @ f %c k #0 l wha,;hw ; ' d )j/ .j j / ) #k 7;,7;h;! i' / / / a a ld )$ = * @ k $ h6@,h!;1;!hh@!;h a; b 67 + b ' )f $ ) h6@,h!;1;!hh !wh a; / 67 b ' )f %$ / &'d )# )> $. 7 7 ;;78 )# )> $. 7 d ' ' table 2-3: tunable parameters (continued) index parameter name description default 2-59 isd 2 ! " -0=?-? , * a " : -0=?-? y * ti $!)%%11 -% 7 5 " 5 0? 19=.> 5 ! 19 + 719 f!22 # $ 3 : 719 4 4 0? note: - # 1 "77816<0=12 &'d .0 $% 7 ;;78 .0 $% d ' 17h!;1;! ? % ! 01') &'d ) . / 7 ;;78 ) . d 7 / q $)f / . 5 0 3-1 isd ! 0+0d,, % ? .8889 1 ? 5fei 0+,h 2 " ? < *,+ ?0 *,+4 #i ! i$ 4 2 3 3 , + 3 6. + note 1 1<. 75 ! ! ! 5 0 3-2 voice solutions in silicon ? figure 3-1: compactspeech schematic diagram 5 0 3-3 isd figure 3-2: flash schematic diagram 5 0 3-4 voice solutions in silicon ? figure 3-3: codec circuit schematic diagram 5 0 3-5 isd figure 3-4: microcontroller schematic diagram 5 0 3-6 voice solutions in silicon ? figure 3-5: user interface schematic diagram i 0 4-1 isd figure 4-1: 68-pin plastic leaded chip carrier (j)order number ISD-T267SC/j ""* # @ 2 4 #+ # @ 2 4 i 0 4-2 voice solutions in silicon ? figure 4-2: package outline top and side views: mqfp. 14 x 20 body, 1.60/0.33 mm form, 2.71 mm thick 1 >5- ?/8:!/@06 i 0 4-3 isd figure 4-3: package outline bottom view: mqfp. 14 x 20 body, 1.60/0.33 mm form, 2.71 mm thick 1 >5- ?/8:!/@06 table 4-1: package outline, mqfp.order number ISD-T267SC/q symbol name (all dimensions in millimeters) min nom. max. j $% %$ $.# $ j e .#> .>) .0> ! ..$ .$$$ )00# x $#0 ; ! / )>.$ ; / )%$$ ; ).# x $0 ! $> $00 )$ ! )$ , ,' )$$ ! / $ ! $# $.. j $0 ! / $.. $$ $ ! e j $) j , , f $ , , f .$ , ..$).k>.> 7 fie 3" p se*e % if865,s+iff 2!% if865,s+i %66 $**%#& ! * + ,* -+# ! . /%! *'#" % # *) ."+0 (1 %+231 "( + %#"%- "% $*"##% $**%#& $ "+ ) *%( (4 %- ( ! 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