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Figure ii: Block Diagram—ISD-T267SP Basic Configuration with Toshiba Flash
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Voice Solutions in Silicon™
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1-10
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Voice Solutions in Silicon™
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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 =<E$>G 1 ''& /)G
=<E>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
B 1 ,)*!9 7,= 9!/,=9
B 1 ,)*!9 7,= 9!/,=9
B 1 ,)*!9 7,= 9!/,=9
B 1 ,)*!9 7,= 9!/,=9
6&'%&
1-13
ISD
1 & % )
0A! !&+ &' /) "+" & G
%1 1 ' /) G ' 1 ''&
'&H ! 1 ''& /) &'
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1& 24 "+" ' ! 2 "+"
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1 !A"6 A&!"!& A&!H' !
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1 "!'" &," ) ,H G
G 9G < '
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< !)A) A & "!"' ! 1 ,& "!
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A &' ,&! 1 "!'" 1&!)1 1
A
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41 1!& ,& A&!!"! "!,)&'G 1
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9 "+" 1 ' 1 &'G //+
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1,' ! / "1 9 "+"
,& 1 / 1 / 1,'G !
,!& ! 9 "+" 1G 1 ' ,&! 1 "
!' "!'" 1,' !) H G "!")&&+
%1 1 %&' 1, !, 1 ' &"H' H
)& < 1!% 1!% 1 "!'" &,"
/1H %1 1!& ,& A&!!"! "!,
)&'
Figure 1-10: Codec Protocol—Short 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 "+"
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' !) //+/ 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 Protocol—Long Frame
%,2
%7,15#%8#5#&%2.
NOTE
2! #
!
3 !
!
*278! *!1!27*)2!
−
°
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°
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°
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1-15
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;< &(
"*
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/ + +
= / +1
*
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*
& ? $ #) ) ( !;;9 @
/ >
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
@ @ E#
*7,=D: )4: )22!,* 2174 !27* ,
=!. =4!
@ E#
"!2=", =! )4:
)22!,* "!2=", =!
@ E#
,)* 7= )22!,*
≤
≤
'@ @
µ
#
&FF( )*)* !7578! )22!,* &-
,9 , ,)* =!(
≤
≤
'@ @
µ
#
% ; 80 !>!4. ,)* 4*78! @
,)* " *0 ;:9*!2!9 9.
8 /74 ,)* 4*7 8! @
,)* " *0 ;:9*!2!9 9.
8 /74 ,)* 4*7 8! @
;:9*!2!9 9 =*0
@
,)*. 8 /74 ,)*
4*78! @
+
@
,)*. 8 /74 ,)*
4*78!
−
@ @
8 /74 . )*)* 4*78!
G '@ E# @
. 7,= %
8 /74 . )*)* 4*78!
G '@ E# @
G
−
µ
#
'
@
8 /74 . )*)* 4*78!
G E# @
G
µ
#
@
. 7,= %
8 /74 . )*)* 4*78!
G E# @
G
µ
#
@
,)*. ; 80 4*78! %?*!2,74 4/5 @
,)*. " 4*78! %?*!2,74 4/5 @
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
*
@
@
@
8,74
*
@
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
-.
! ) $$% &A%B) $$%
&A%B
@
@
8,74
@
*
@
@
8,74
*
@
@
2
@
@
@
@
*
!*) *
;4=
8,74
1-18
6&'%&
Voice Solutions in Silicon™
Figure 1-17: Asynchronous Signals
-.
!
1 1 "1 && A) /),,& )& ( 1!% 1 "1&"&" !, 1 A) /),,&
Figure 1-18: Hysteresis Input Characteristics
@
@
@
@
8,74 #
8,74 +
*
)*
6&'%&
1-19
ISD
02&,2,5#2.%71
1 "!G ' ' '
"$%$
Table 1-5: Output Signals
Symbol Figure Description Referenc e 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 @%@ @
*
$
7,= #/* >! #F*!2 @%@ @
*
$
7,= ;4= #F*!2 @%@ @
*
$
7,= ,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 )* 7 4 =
#F*!2 @%@ @
6&'%&
1-20
Voice Solutions in Silicon™
*
*
6 - ? )
/)///
*
2 ( (
%$
*
#"
* 2787* , 1! @
*
#&!'
#/* >! #F*!2 @%@ F @ @
*
#&!'
,7/* >! #F*!2 @%@ @ @
*
()
+ 7,= $ #F*!2 @%@ @
*
()
+ 7,= $ #F*!2 @%@ . @
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>!( #* @ &D*0 !=8!9( @
*
#
% 4/5 " &947>!( #* @ &D*0 !=8!9( @
*
# "
% 4/5 !2 = &947>!(
@%@ * ,!?* @%@ @
µ
9
*
#
;4= #F*!2 D!/1!9 ,7/* >! @
*
#
!*) +!F2! D!/1!9 7/* >! @
*
#
;4= #F*!2 @%@ @
*
#
!*) +!F2! @%@ @
*
#!
;4= #F*!2 @%@ @
*
#!
!*) +!F2! @%@ @
*
(&
"!2 *7D4! * %% @%@
#F*!2
2!7/0!9 @ @ 19
Table 1-5: Output Signals
Symbol Figure Description Referenc e Conditions Min (ns) Max (ns )
6&'%&
1-21
ISD
*
2 ( ( ?
*
2 ( (
#2.%.&%#
Figure 1-19: Codec Short Frame Timing
*
&*
%% )49! =*0 #* @ &D*0 !=8!9( @ 19
*
; 80 #* @ &D*0 !=8!9( *
"
-
−
*
" #* @ &D*0 !=8!9( *
"
-
−
*
"
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
*
$ ( ( $* 0*1) $. $.9
*
# ( < # $4A) $4A) $4 $.
"*
$ ( ( $* 0*1 $
6&'%&
1-23
ISD
Figure 1-22: MICROWIRE Transaction Timing—Data Transmitted to Output
6&'%&
1-24
Voice Solutions in Silicon™
Figure 1-23: MICROWIRE Transaction Timing—Data Echoed to Output
Figure 1-24: Master MICROWIRE Timing
6&'%&
1-25
ISD
Figure 1-25: Output Signal Timing for Port PB and MWRQST
-.
$ ( ( $* 0*1) $4) $. $.9
Figure 1-26: CTTL and CLKIN Timing
Figure 1-27: Reset Timing When Reset Is Not at Power-Up
6&'%&
1-26
Voice Solutions in Silicon™
Figure 1-28: Reset Timing When Reset Is at Power-Up
2!,%&
2-1
ISD
,- +)*
,9&9)
1 !A"6 !,%& &' 1 !
"1A ")' /' !&1G +
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1&'%& A&A1&
1 ,!!% "! '"&/ 1 !A"
6 !,%& /!%
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3; ' "! &+ '"!&G ' '
! '"!&
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!' &," ! 0&
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•
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&&%15,&
•
1 &," =& 4 1'&>
•
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1'&>
•
!'" &,"
2-2
Voice Solutions in Silicon™
Table 2-1: CompactSPEECH Commands
Command Description Opcode
Hex Source State Result State Command Parameters Return Value
Name S/A Description Bytes Description Bytes
!" #$%&' ( )
*" % *++ #,-+ ).)
* % *++ )/ % %# )
0 - 0,1 )2 +% +%
* % *++ (3
* % *+++ (2 #+- ) . )
"!" "% % 0 () 0+ )
"4 "% 4 2 3 +%%+ 5 )
" "% #% %# )6 &37
7'
"3 8 0 )
" "% % 9 *++ % )
"* "% *#1 %%+ ) 1$ %# % )
"* "% *++ ( *++ % )
"* "% #, *+++ #+- ) . ) #, #+++ )
"4 "% %%+ 4 3 +%%+ %%+ 5 )
" 3 "% ( "3 *!
" "% # 1 ( #1 $% #1 )
"* "% *++ (9 *+- ).). *++
%: 1+%#
; <% 0 % )9 ,1%
= = = ,1%
.
* *#1 +% )3
& 3 &1,- ( &37
&3 &+ &37 7'
"3 >
&* " &5 5 * 3
3 *++ ( *++ % )
+% %%+ ) %%+ +% #+-
+# &37 7'
"3
,
>
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%$ (( 3 +%%+ ,%
ISD
2-3
3 3 1 3#% % 7' % .
2 -$ 2-5 ) &37 > % %# )
% %%+ *+- ( %%+ #+-
-$ % *++ ) &37 >
% # 1 (! #1 )
! -$ !5 )) &37 > % %# )
*" % *++ ( *"& *"& #$+ )
* % *++ (6 *++ % )
3 1 4 (? 7' 4 #,
& % &1,- $ / &37 7' $
3 1 % ! 7' %
* % $-$ * )! *
0 % 0,1 1$ )( * .
4 3 1 4+ ) 7' 5
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@ 6 8 0 . )
0 0# % )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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45 ( &
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4 +4 (
% 6 !
&$ !
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6 & #.
% &"#
45
$
$ 7 "# $ $ #$
+89 7!"#
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6 !
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& $ & &
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6 # %!
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6 < !
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$ "# =
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%
$ <$ &!
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#
6 # %
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2-5
ISD
6 & # $
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%
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6 '( & !
9 # %
$ 1?@2+6A?@4 & $
4A
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+ ", - & "
$
&$
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2-6
Voice Solutions in Silicon™
9 ; !
" & "#
& 9; '9 (
&
# #
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"
8 #
# ' ) 4,
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6 '( + '+( $ !
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$ %
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$ $ $ 4$
+;$ ;
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4 !
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$ &$ #
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C !
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2; $ !
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'G F H"8$ / I7 H"8( !
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NOTE
!
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#
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2
F H"8 $ " /E-/0
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/G
D $ !
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4 #"
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1 &" "
1 6
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2-7
ISD
( 4 #$
# !
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4 &
4 "
4 ' 4 ( $ !
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45 # "
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6;$ $ " 6;
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5;
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$ ) 4,
-(
# 45
D#$ #$ !
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"# ! !
#"
" #
2-8
Voice Solutions in Silicon™
!
"# $ %# & !
' ()$ % ' *+, # !
-. % # /0 ) %
0 1 %2 3 4"- 5
' ()6 % ' "# 0"
$%
-1 % #
3' ()6 %#
-1
, ' ' # & # 41 #
, ' ' 41 67 #
8*9:8;,3 '
Table 2-3: DTMF Detector Performance1
PLAY/IVS SYN TH ESIS RECO RD / IDLE
! "
#$% #&%
!'( )$* )$*
+, - ). ).
(
#$% #&$
, / 0 0
- /
&0 &0
Graph 2-1: Transfer Functions of AGC Circuit from Line
&%
$
%
.$
.%
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)%
1$
%
$
&% $ % .$ .% )$ )% $ % $
2-9
ISD
" "#
$ # & ' !
<# GG-7EGG .($ !# K
#
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6 ; '6;( 5 !
>@ )>@ !
% ?&, -EI
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5 !/ !
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1.
D# 2! 2!
D>K? @?2@?
D>K? @?255?
D>K?63?2@?
D>K?63?255?
2.
D#
D>K?1+ 5K?2>@
D>K?2@?K
64@?4A6
D>K?1+ 5K?2>@ !
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2 2 $ "#
D>K?2@?K "
D>K?2@?K # !
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L/-7M N 64@?4A6
L/-EM N 64@?4A6
L/-EM N 64@?4A6
3.
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6; 45 #
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2-10
Voice Solutions in Silicon™
!#
# GG . 7EGG .
" $
"
9 # #
C !#
'123(
" !
!#
2@?@+;? O2>@
2@?@+;?2A+6@?
2@?@+;?A29?+2A4
2@?@+;? ;?+2A4
!# #
<# GG . 7EGG .
" !
! 6 "
9 # !!
# C !#
'123( "
!# '123(
123?@+;K?+2A4
123? ?2>@
123?2A+6@?
Graph 2-2: Busy and Dial-Tone Band-Pass Filter Frequency Response
Figure 2-1: Busy-Tone Detector—Default Cadence Specification
!'( 2345
6
6
6
76
6
8 9 )%% 7
8 9 )%% )%% 9 6
9)0%:%9
9 )..%
2-11
ISD
45
!<# 7GG .
7GGG . /GG .
6!
EIG!+ @$ &$ # #
& & " !
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•
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45
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$
$
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# $
8
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&# $
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&
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'$ ( #
<#
!% $ "
2-12
Voice Solutions in Silicon™
'!
( '! ( !
$ !
'! (
'! ( !
$
Figure 2-2: Speakerphone Pseudo Code Representation
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2-45
ISD
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2-46
Voice Solutions in Silicon™
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2-47
ISD
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2-48
Voice Solutions in Silicon™
" !E " " $ % " &
Table 2-4: Tunable Parameters
Index Parameter Name Description Default
% - L
& =@"=3-63<"
H
/
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4 !: E78 9+7- *7 8 C
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2-49
ISD
)% C<O=6,6-A;=3-63<" (
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Table 2-4: Tunable Parameters (Continued)
Index Parameter Name Description Default
2-50
Voice Solutions in Silicon™
)M <,6=<,=6,6-A;=3-63<" ( / (
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Table 2-4: Tunable Parameters (Continued)
Index Parameter Name Description Default
2-51
ISD
.: !=D@="6C6" 1 ( / !
H A H
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Table 2-4: Tunable Parameters (Continued)
Index Parameter Name Description Default
2-52
Voice Solutions in Silicon™
="<?J="6C6" ? K( (
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Table 2-4: Tunable Parameters (Continued)
Index Parameter Name Description Default
2-53
ISD
0 =66?=?"@=< G ( /
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Table 2-4: Tunable Parameters (Continued)
Index Parameter Name Description Default
2-54
Voice Solutions in Silicon™
&$ 6?==3 ? "/ (
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Table 2-4: Tunable Parameters (Continued)
Index Parameter Name Description Default
2-55
ISD
!1&,(!"/'!1
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Table 2-4: Tunable Parameters (Continued)
Index Parameter Name Description Default
2-56
Voice Solutions in Silicon™
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Voice Solutions in Silicon™
Figure 3-1: CompactSPEECH Schematic Diagram
7 4
3-3
ISD
Figure 3-2: Flash Schematic Diagram
7 4
3-4
Voice Solutions in Silicon™
Figure 3-3: Codec Schematic Diagram
7 4
3-5
ISD
Figure 3-4: Microcontroller Schematic Diagram
7 4
3-6
Voice Solutions in Silicon™
Figure 3-5: User Interface Schematic Diagram
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Figure 4-1: 68-Pin Plastic Leaded Chip Carrier (J)—Order Number ISD-T267SP/J
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Voice Solutions in Silicon™
Figure 4-2: Package Outline Top and Side Views: MQFP. 14 x 20 Body,
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4-3
ISD
Figure 4-3: Package Outline Bottom View: MQFP. 14 x 20 Body,
1.60/0.33 mm Form, 2.71 mm Thick1
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Table 4-1: 100-Pin Package Outline, MQFP.—Order Number ISD-T267SP/Q
Symbol Name (All Dimensions in Millimeters)
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