ETC EM91455A/B/C/D

EM91455
EM91455
!"#$%&'()*+,-.#/012
L
L
!"#$%&'()*+,-.#/012
LL
inary
m
i
l
e
r
P
bjVNQRR L !"#$%&'()*+,L !"#P !"#$L !"#
bjVNQRR !"#$%&'()*+,-./)0123456789:aqjc !"
!"#$%&'$%&()*+,-./01234'56789:;<#pal !
!"#$%&'()*+,-./"012345'/675'*pal !"#$%
!"#$%&'()*+,-./01.bjPONMMbjPONNT
!""#$%&'
!bjVNQRR !"#$%&fKmKmKIfKmKmK !!"#$%&'()*+$%&'(
!"#$%& '()*+fKmKmK !"#$%&'()*+,-)*+,./01
!"#$%&!'()*!'')+,-./
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
L !"#$%
!"#$%OKMsRKRs
!"I !MKNRã^ !"MKPã^ !"
!"#$%&'()I !"#$%&IW ILI
pal !"#$%&'()*+,-(I !""#$
!"#$%&'()*+,-./0
fKmKmK !"#$%& '(
!"#$%&'()*+, !"#$%&'()*+,"-.+,/0123
P !""#$I !"#$%NS !"#
POik_E !F !"#
!"#$%&'()
!"#$%&'()*+,
mJq !PKS
!"#$##%"#&'VUãë
PKRTVRQRjeò !"#$%&'
!=W=mafmIpâáååó
!I
!"#
!
!"#$
=
EM91455A
EM91455B
EM91455C
EM91455D
!"# √
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
! ====
√
√
√
√
√
√
√
!"#
E !F
mam
√
√
√
Note : PDP = Pocket Dialer Prevented
: I.P.P. detect = Illegal Parallel Phone Detect.
* This specification are subject to be changed without notice.
2.13.1998
1
EM91455 LL !"#$%&'()*+,-.#/012
inary
Prelim
EM91455
Pin Assignment
EM91455BP
EM91455AP
COL5
COL4/KT
COL3
COL2
COL1
XIN
XOUT
XMUTE
VSS
1
2
3
4
5
6
7
8
9
18
17
16
15
14
13
12
11
10
COL5
COL4/KT
COL3
COL2
COL1
XIN
XOUT
XMUTE
VSS
HFI
HDO
PO
ROW4
ROW3
ROW2
ROW1
HKS
VDD
DTMF
1
2
3
4
5
6
7
8
9
10
11
22
21
20
19
18
17
16
15
14
13
12
20
19
18
17
16
15
14
13
12
11
HDO
PO
ROW4
ROW3
ROW2
ROW1
HKS
VDD
DTMF
HFO
EM91455DK
EM91455CK
NC
COL5
COL4/KT
COL3
COL2
COL1
XIN
XOUT
XMUTE
VSS
HFI
1
2
3
4
5
6
7
8
9
10
NC
COL5
COL4/KT
COL3
COL2
COL1
XIN
XOUT
XMUTE
VSS
HFI
DRING
SDO
HDO
PO
ROW4
ROW3
ROW2
ROW1
HKS
VDD
DTMF
HFO
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
SDO
HDO
PO
ROW4
ROW3
ROW2
ROW1
HKS
VDD
DTMF
HFO
RMUTE
Keyboard Arrangement
ROW1
ROW2
ROW3
ROW4
COL1
1
4
7
*/T
COL2
2
5
8
0
COL3
3
6
9
#
* This specification are subject to be changed without notice.
COL4/KT
HD
F
RD/P
COL5
EM1
EM2
EM3
ST
2.13.1998
2
EM91455 LL !"#$%&'()*+,-.#/012
inary
m
i
l
e
r
P
!"
RMUTE
SDO HFO HDO
COL1
COL2
COL3
COL4/KT
COL5
Keyboard
XMUTE
Output circuit
interface
(column)
Memory
XIN
XOUT
Row/Column
programming counter
latch
&
decoder
D/A
converter
DTMF
Oscillator
Timing/Control circuit
~
ROW1
ROW4
Keyboard
interface
(Row)
Input circuit
Pulse
generator
PO
VDD
HFI HKS DRING XMUTE
!
oltNúoltQ
`lifú`liP`liR
`liQLhq
ufkulrq
ujrqb
saaspp
ecf
ecl
aqjc
ehp
ml
!"#$%&'()*+,ehp !"#$%ecl !"
!"#$%&'()*+,-./012+ !"#34&'(5
!"#$#%&'(#$)*+,-./0SMMeò
!"#$%&'()*+,-./$%012345678&9:.
!"#$%&'()*+,"-./,01(2 345SMMeò
!"#$%&'()*+,-./01%234567&89:
!"#$% &'()*+, -./'01SMMeò !"
PMãë !"#aqjc !"#$%&'()*+,$-./0
!"#!$%&'(ufkulrq !"#$%&PKRTVRQRjeò
!"#$%I !"#$%&
!"#$% #$&'kjlp !"#$%&"'()*+
pÅÜãáíí=íêáÖÖÉê !"#$%&'()*+,-&'./01234
!"#$%&'()*+,-.$/0+,12345678
!"#$%&'()*+,-./0OKMsRKRs
!"#$%&'()*+,-./012345"#678 !
!"#$%&'()*+,-OMMh==
!"#$%&'()*+,-./01&'23).(+456
!"#$%&'()*+,-./012345678$9:-./
!"#$%&
aqjc !"#$%&'()*+,-.()/012345*6
!"#$%&'()MKKKKVG@ !"aqjc
!"#$%&'()*+,-./012345./6789:;<
!"#$%$&'()*+,-./0123456!"#
!"#$
!"#$%&'kjlp !"#$%&'()*+,-./01
!"#$%&'()*+,-./+01234-56MKKKKV !
!"
* This specification are subject to be changed without notice.
2.13.1998
3
EM91455 LL !"#$%&'()*+,-.#/012
eal
pal
aofkd
ojrqb
inary
Prelim
!"#$%&`jlp !"#$%&'()*+,- ./01
!"#$%&'()*+,-.#$%/0123456789:,
!"#$%&'()
pal !"kjlp !"#$%&'()*+&,-./0123
!"#$%& !"#'()*+,-./*+01234456/
!"#$%&'()*+,-%./0-123345
!"#$%&'()*+,-PKORj !"#$%&'()*+
!"#$%&'()*+,-./01)23 #$4&'(/
!"#$%&kjlp !"#$ojrqb !"#$%&'
!"#$%&'(%&)*+,-./aofkd !"#$%
!"#$%&'()*+,-./012345678aofkd
!"#$%&'(!$)*+aofkdZ !"#$%&'()*
!
!"
bjVNQRR !"#$%&'()*+,$%&'-./01234567======RSMh
!"#$%&"#'()*+,-.
a. Mode
ROW1
Mode
R-Vdd
20 PPS
NR
R-Vss
10 PPS
c. Flash time
ROW3
ROW4
NR
NR
NR
R-Vss
R-Vss
NR
R-Vss
R-Vss
Tf (ms)
600
100
80
300
e. Lock number
COL2
COL3
NR
NR
NR
R-Vss
R-Vss
NR
R-Vss
R-Vss
Lock number
0
9
0.9
!
b. M/B ratio
ROW2
MBR (%)
NR
40:60
R-Vss
33:66
* This specification are subject to be changed without notice.
d. Lock control method
COL1
Control method
R-Vdd
NR
R-Vss
2.13.1998
4
EM91455 LL !"#$%&'()*+,-.#/012
!
inary
m
i
l
e
r
P
! "#$%& '()*+,-'./01!ik_ !"#$%&'()
• !"#$%&'
• !"#$%&'
• ÇNIÇOIÇåÇ !"NúVGM@mmq !"#å • ÇNIÇOIIÇå !"#$%&'()*+,
!"#$
ik_
!"
ik_
!"#$%&'()*+,-(&."/0123)ik_ !"#$%&'()PO
ik_ !"#$%&'()*+,-.ik_ !"#$%&'()
!"#$%&'c !"#"$%&'()*+,oa !ik_ !"#$%
!
bjVNQRR !P
!"#$% !&'NS !"#$%#&'()*#&+
NS !"#$NS !"# $%&'()*+,- !&
,
P !"#
!"#$%
!"#$%&'()* pqÇNÇOÇåxpqzbjå
!"#bjå !"#bjå !"#$%bjNbjP
!ÇNÇOÇå
!"#$%&'(
• !"#$%&'
• E !"#$FIbjå !"# $%&bjå !"#$%&'()*+",-.
!"#$%å NúP !"#$%&'()*(+,
m !"
m !"#$%&'()*+,-./012m !"!#$%&'()*+*,• !"#$%&'
• E !"#$FIEÇNIÇOIIÇåIoaLmIâNIâOIâåF !"#$%&'(ÇNÇO
ÇåqéâNâOâå
!"#
GLq
!"
!"#GLq
GLq
!"#GLq !"#$%&'()*+,-./0123456789:GLq !"#
!"#$%&&'(
• !"#$
• E !"#$FIÇNÇOÇåGLqâNâOâå !"#$%&'()
* This specification are subject to be changed without notice.
2.13.1998
5
EM91455 LL !"#$%&'()*+,-.#/012
inary
Prelim
ÇNÇOÇåqéíâNâOâå
!"#========== !"#
c !"
c !"#$%&'()*+,-./0c !"#$%&'()*+#!%,-.
SMMãëPMMãëNMMãëUMãëoltPoltQ !"#
ec
ec
!"#$%&'()*+,-./012ecf !"#$%&'()*+,-./012
!"#$%&ecl !"#$%&'(ecl !"#$%&'()*+,-./01
!"#ecl !"#$%&'(
• !"#
• !"#$%ecf
• !EeaFEealF !"#$%&F
ea
ea
!"#$%&'()*+,-./012345678 !9(%:;<=>?-ea
!"#$eal !"#$%&'()*+,-./0123456728eal !
!"#$
• !"
• ea VPKNãë
• !EecF !ecl !"#$%&'(
!"
!"#$%&'()*PMMãë !"qÇió !"#$%&'()*+,-./01
!"#$%&'()*+,-.$/0$1P
!MNOP
!"
!"#$%&'()*+,-./P !"#$%&'(MNOP !"#$
!"#$P bjVNQRR !"#$%&'()*$+,-./%&0bjVNQRR
qÇäó !"#$
* This specification are subject to be changed without notice.
2.13.1998
6
EM91455 LL !"#$%&'()*+,-.#/012
inary
m
i
l
e
r
P
!
HKS=Lo
1
On-hook State
HF
HKS=Hi
HF
4
On-hook
Hand-free State
Off-hook State
3
Off-hook
Hand-free State
HKS=Hi
HD
2
HKS=Lo
HF
HF
HD
HF
HD
HF
HD
6
On-hook
Hold-line State
HD
HKS=Hi
5
Off-hook
Hold-line State
HKS=Lo
<> : HF = ; HD = !
HKS
H
L
L
H
L
H
(0) I !
(1) (2) I
(3) I
(4) I !
(5) I !
Note : F=(
PO
F
F
F
F
F
F
L XMUTE
F
F
F
F
L
L
!"#$
HFO
L
L
H
H
L
L
HDO
L
L
L
L
H
H
); H= “” ; L= “”
pal
!"#$%&'
pal
pal !"#$%&'()*r^oq !"#pal !"#$%&'"#()*+, !"#$%&'(bjPONMMbjPONNT !"##$%&'()%&*+,pal
!"#$%&'()*+,-./01PKVãëEORSeòFI !"#$%&'I
!"K
ready
0
start bits
1
bit 0
bit1
bit2
bit3
data bits
* This specification are subject to be changed without notice.
bit4
bit5
1
0
stop bits
2.13.1998
7
EM91455 LL !"#$%&'()*+,-.#/012
inary
Prelim
SDO Keypad Encoded table:
♦ Digital key (b5,b4=0,0)
keypad
1
2
3
4
5
6
7
output
b3,b2,b1,b0 0001 0010 0011 0100 0101 0110 0111
Display
1
2
3
4
5
6
7
♦ Function key (b5,b4=1,0)
keypad
ST
Hold
output
b3,b2,b1,b0
0000
1000
Display
HF
A
1010
1110
8
9
0
“*”/T
1000 1001 1010
8
9
0
F
#
1011 1100


P
*/”T”
1101 1110
P
(Lock state)
1111
!"#
0001
♦ Function key (b5,b4=1,1)
keypad
EM1~EM3
RD
output
b3,b2,b1,b0
1100
1101
Display
!"#$%&'()*+,-bjPONNT
i`a
!"#$%&'
∗ Keypad,SDO format and LCD display reference table:
1
2
3
4
5
6
7
8
9
0
“*”/T
#
P
*/”T”
ST
HOLD
HF
A
F
(Lock state)
EM1~EM3
RD
R
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
Q
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
P
0
0
0
0
0
0
0
1
1
1
1
1
1
1
0
1
1
1
1
0
1
1
O
0
0
0
1
1
1
1
0
0
0
0
1
1
1
0
0
0
1
1
0
1
1
N
0
1
1
0
0
1
1
0
0
1
1
0
0
1
0
0
1
1
1
0
0
0
M
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
0
0
0
1
1
0
1
1
2
3
4
5
6
7
8
9
0


P
!"#
bjVNQSR !"#il`h !"#$%&'()*+`liN
* This specification are subject to be changed without notice.
!"#$%&spp
2.13.1998
!
8
EM91455 LL !"#$%&'()*+,-.#/012
inary
m
i
l
e
r
P
!"#$%&'() *+!,-.!/012`liO`liP !"#$%&'()*+
!"#$%&'()*"+,-./MMM !"#MMM !"#$%&'()*
!"#
!"#$%&'()*+,-.`liN !spp
• !"#$%&'(
• @@çéëNçéëOçéëPåéëNåéëOåéëP@ çéëNJçéëP !"#$%&'(
åéëNJåéP !"#$%&'()*+,-./%()*+,0123-()*+,045MMM
!"#$%&'()*(+,"-./0123456*!"78MMM !"#$@
!"
!"
!"#$%&'`liN
!"#$%&'()*
!"#$%&'()*MMM
!"#$%&'()*+,-
!"#$
!"#$%`liN !"#$saa
• !"#$%&'(
• ÇNÇOKKKKKKÇå !"#$%&'Çä !"#$%&'()*+,-.'(/0
!"#$%&'(!)*+,-./0123445!678945!= !"#$
!"#
!"#$`liN !"#$spp
• !"#$%&'(
• !x@éëNéëOéëPzH !"#xz !"#$%&'()*"+,-MMM !
@ !"#$éëNéëOéëP !"#$%&'()*+,-./01
!"#$
!"#$ !"#$%
!
! !"#$%&'()*+#$,-./01!"#$234+5.6789:;.<
!"#$%&'()*+,-./01234./5678-9#
!"#
!"# !"#$%&'()$!"*+,-./0"1234I !"#$I
!"#$%I !"#$%
!"
!"#$%&'()*+",-*+./0123456áááIIáááF I !"#$%
aofkd !"#ojrqb !"#$%&'aofkd= !"#ojrqb !"
!"#$%aofkd !"#$%ojrqb !"#$%&'()*+*,-./01
!"#ojrqb !"#$%!&'()*+,+-aqjc !"#"$%!&'(
!"#$ !%&'()*
áK !"#ehp !"#!$%&'()*
ááK !"#$%&'()*
áááK !"c
* This specification are subject to be changed without notice.
2.13.1998
9
EM91455 LL !"#$%&'()*+,-.#/012
inary
Prelim
fK=mKmK
!"#
fK=mKmK
!"#$%&'()!* +,-&./012bjVNQRRfKmKmK !""#$%&'()
!"fKmKmK !"#$uãìíÉ uãìíÉ !"#$%&'(E !"#$%FuãìíÉ
!"#$%&'()*+,-./012345678uãìíÉ !"#$%&'()*
uãìíÉ !"#$%&'()*&+,-./0123456,0789:;<=>?@ABC
?@?I?U?I ?U? !"#$%&'()*+,-.!/0?@?I?U?I?U? !"#$%&'()& *+
!"#$%&'()*+,-./01uãìíÉ !"#$%&'()*+,-./01&2
!"#$%&'()*'+E !"#$%&'()fKmKmK !"#$%F
* This specification are subject to be changed without notice.
2.13.1998
10
EM91455 LL !"#$%&'()*+,-.#/012
inary
m
i
l
e
r
P
!"#$( ! 25 °C, !"# VSS)
!"#
!
!
VDD
VIN
TOPR
TSTO
6.0 Vdc
VSS-0.3V ~ VDD+0.3V
0 ~ +50
-55 ~ 125
500
PD
V
V
°C
°C
mW
(
! 25 °C, VDD=2.5V !"#, !
!(HKS=0)
!"#$
!
HKS=1
HKS=0
HKS=1
HKS=0
HKS, HFI DRING=W
!"# VSS, !
HFO & HDO !"
PO, HFO, XMUTE, RMUTE
& SDO =W== !"
PO, XMUTE, RMUTE SDO
Idd
Imrt
Istby
ViH
ViL
IoH
IoL
IoH
!"#IFosc=3.579545 MHz)
2.0
2.0
-
5.5
V
5.5
0.15
0.3
0.3
0.5
mA
0.15
0.3
0.3
0.5
0.001
0.1
uA
0.001
0.1
1
10
uA
-0.001
0.1
10
30
0.8Vdd
Vdd V
Vss
0.2Vdd
0.2
mA
-0.2
mA
-
-
2
200
0.2
0.2
200
100
10
400
-
±0.001 uA
L
!* 8
HKS=1,Vdd=1V
L
!* 8
Vo = 2.0 V
Vo = 0.5 V
Vo = Vdd
=W=
HFI = !
DRING = !
!"#$%&'
(COL4/KT)
COL4/KT =W=
!"
Rhfi
Rdring
IoH
IoL
IoH
IoL
* This specification are subject to be changed without notice.
50
800
-
KΩ
KΩ
uA
V
mA
Vhfi = Vss
Vdeing=Vss
Vksn=Vss
ksn=Vdd
Vo=2.0V
Vo=0.5V
2.13.1998
11
EM91455 LL !"#$%&'()*+,-.#/012
inary
Prelim
(
! 25 °C, VDD=2.5V, !"#
!=:
!"#, !"# VSS, !"#IFosc=3.579545 MHz)
○
○
○
○
○
○
○
○
○
!
!
!"#$
!
○
○
○
○
○
○
○
○
○
○
Tdb
-
20
Fkt
Tkt
Tp
Tpt
Tf
-0.2
0.5
142
1
5
96
96
600
30
3.6
3.6
600
100
80
300
20
10
40:60
33:66
800
500
160
2
-30
98
98
PSR
L
MBR
Tidp
!"
DTMF W !"
DTMF !"#
○
DTMF =W= !
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
!
!"#$%
!""#$"
!"#:
!"#
○
○
○
○
○
○
IoL
Vdc
Vdtmf
Twist
THD
ZL
Tp
Titp
Vstac
Thdrdb
37
-
(-23.3)
53
(-25.3)
42
280
Tbit
Tdly
3.8
-
3.9
300
○
○
Vmtac
HD !"#
!"
SDO !"
!"#
-
○
○
○
48
○
○
○
○
○
○
○
○
○
○
○
Hz
ms
sec.
sec.
Row3B, Row4B=NR, NR
ms
Row3B, Row4B=NR, R-Vss
Row3B,Row4B=R-Vss, NR
Row3B,Row4B=R-Vss,R-Vss
pps
Row1 = R-Vdd
Row1 = R-Vss
%
Row2 = NR
Row2 = R-Vss
ms
PSR = 10 pps
PSR = 20 pps
mA
Vdtmf = 0.5 V
0.75
Vdd Vdd = 2.0V ~ 5.5V
180 mVrms 3
dB
-23
dB
RL = 5 KΩ
KΩ
THD < − 23dB
100
100
ms
!"
○
○
ms
○
○
○
○
○
58
○
○
○
○
47
-
○
(dBm)
mVms Vdd =2.0V ~ 5.5V
(dBm)
mVms Vdd =2.0V ~ 5.5V
ms
○
○
○
○
○
○
○
○
○
○
* This specification are subject to be changed without notice.
4.1
-
ms
ms
2.13.1998
12
EM91455 LL !"#$%&'()*+,-.#/012
inary
m
i
l
e
r
P
DTMF ! (fosc = 3.579545 MHz)
!"#
ROW1 (f1)
ROW2 (f2)
ROW3 (f3)
ROW4 (f4)
COL1 (f5)
COL2 (f6)
COL3 (f7)
CCITT (Hz)
697
770
852
941
1209
1336
1477
* This specification are subject to be changed without notice.
!"# (Hz)
= (%)
699.1
766.2
847.4
947.9
1215.8
1331.6
1471.8
0.30
0.49
-0.53
0.73
0.56
-0.32
-0.35
2.13.1998
13
EM91455 LL !"#$%&'()*+,-.#/012
inary
Prelim
HKS
2
KEY IN
3
Tdb
KT
Tkt
XMUTE
HDO
SDO
Tm
PO
Tidp
DTMF
T T T T
b m b m
Tidp
OSC.
Tdly
Hi-impedance
1. !"#$%&
HKS
KEY IN
KT
2
3
Tdb
XMUTE
HDO
SDO
PO
Td
Titp
Titp
DTMF
OSC.
Hi-impedance
2. aqjc
!"#$
aqjc
* This specification are subject to be changed without notice.
2.13.1998
14
EM91455 LL !"#$%&'()*+,-.#/012
inary
m
i
l
e
r
P
LNB=2,3
HKS
KEY IN
RD/P
Tdb
KT
Tkt
XMUTE
HDO
SDO
Tm
PO
Tidp
DTMF
Tidp
T T T T
b m b m
OSC.
Tdly
Hi-impedance
3. !
ik_
!"
!ik_
ik_
LNB=2,3
HKS
RD/P
KEY IN
Tdb
KT
Tkt
XMUTE
HDO
SDO
PO
Td
Titp
Td
Titp
DTMF
OSC.
Tdly
Hi-impedance
4. aqjc
ik_
!"
aqjc
ik_
ik_
* This specification are subject to be changed without notice.
2.13.1998
15
EM91455 LL !"#$%&'()*+,-.#/012
inary
Prelim
HKS
2
KEY IN
RD/P
3
KT
XMUTE
Tp
HDO
SDO
PO
Tidp
Tidp
DTMF
OSC.
Hi-impedance
5. !"#$%
HKS
2
KEY IN
*/T
3
4
KT
XMUTE
Tpt
HDO
SDO
PO
DTMF
OSC.
Hi-impedance
6. !" (P→T) !"
HKS
KEY IN
F
Tdb
KT
XMUTE
HDO
SDO
PO
Tfp=300ms
Tf
DTMF
OSC.
Hi-impedance
7. !"#$%
* This specification are subject to be changed without notice.
2.13.1998
16
EM91455 LL !"#$%&'()*+,-.#/012
inary
m
i
l
e
r
P
HKS
2
KEY IN
Tdb
KT
SDO
sT sT b0
0
1
0
L
b1 b2 b3 b4 b5 spT spT
1
Tbit
0 0
0 0
0
1
M
Hi-impedance
<>iZ !"IjZ !"I=ëqZ !"I=ëéqZ !"
8. SDO !"
HKS
KEY IN
HF
HD
HF
HD
HD
HD
HF
HD
HD @
93
ms
HFO
Thdrdb
HDO
XMUTE
SDO
PO
Hi-impedance
@ : !"#$%I !"#
9. HF HD !"
HFI
or
HKS
HF
5
KEY
0
KT
Tdly
OSC.
"0" digit dialing time
Hi-impedance
=NMK==
* This specification are subject to be changed without notice.
!"#
2.13.1998
17
EM91455 LL !"#$%&'()*+,-.#/012
inary
Prelim
Toff
RING
Ton
DRING
HKS
RMUTE
11. !"#$%&'
!"#$
Eqçå
qçÑÑFI=
!"#$%&'()*$+,*
!"#$Eqçå
EqçåqçÑÑFI=
RING
DRING
HKS
RMUTE
12. !"#$%
* This specification are subject to be changed without notice.
2.13.1998
18
* This specification are subject to be changed without notice.
2
1
2
1
R2347
10UH
L6
TR
BRIDGE
+
D24
220K
D2
Q2
A92
10M
SW1
R3
3
2
1
100K
R13
U2
4
VDD
100K
R21
2
1
R35
4.9M
2
1
ZD3
16V
1N4148
D23 1N4148
D22
PO
C10
470µ
D16
1N4148
D14
1N4148
100K
R33
R34
22M
R20
47K
ZD1
16v/1w
2
3
PC817
1
A42
Q1
R2
2K2
1RSW2
R12
1
2
HDO
HFO
3
on
off
R37
1M
2
SW3
HKS
ZD2
4V7
VDD
D13
1N4148
1
Q5
R29
1N4148
100K
R36
2
C13
0.1µ
C945
VDD
SW3 : on : Enable IPP detect
off : Disable
2
1
VDD
C11
104
D26
1N4001
47K
R23
R22
+
R13
3K3
R15
100K
R30
10K
VDD
D25
DIODE
DTMF
XMUTE
DIALER
HFO
HDO
PO
EMC
HKS
2
1
MUTE
NETWORK
SPEECH
!"
PHONEPLUG
P2
TIP
10UH
L7
fmm
PHONEPLUG
P1
EM91455 LL !"#$%&'()*+,-.#/012
inary
m
i
l
e
r
P
!"#
ILLEGAL PARALLEL PHONE DETECT CIRCUIT
2.13.1998
19
RING
.1U
470
4
3
1
2
22U/50V
BRIDGE
PC817
4K7
27V
1U
VDD
220K
R47
1
VDD
5
8
0
4
7
*/T
560k
2
1
560k
1
100K
R48
1
D6
R43
100K
R37
1N4148
#
9
6
3
560k
RD/P
F
HD
560k
560K
560K
560K
ST
EM3
EM2
EM1
1N4148
47K
1N4148
D19
2
1
D5
JUMPER
R68 2
100K
R69
47K
JUMPER
DRING
2
A42
Q7
2
1 D14
1N4148
OFFHOOK
10M
ONHOOK
Q6
A92
R35
2K2
1
3
2
3
3
SW1A
1
1.2M
BRIDGE
2
1
2K7
R49
47K
2
.1U
C25
3
D7
1N4148
R52
220K
R57
2
1
2
Q4
C945
R36
470K
24
R54
.1u
C24
22
TIP
23
SDO
NC
1
HDO
COL5
2
COL4/KT
220uF
C31
20
BUZZER
5V1
D13
C16
.001U
EM91455DK
ROW3
21
4
PO
3
ROW4
COL3
19
10p
3.58MHz
COL1
6
XIN
7
XOUT
8
COL2
5
ROW2
18
ROW1
17
HKS
16
VDD
XMUTE
15
10p
9
1K5
R33
14
DTMF
VSS
10
HFO
HFI
C17
.01U
3
13
RMUTE
DRING
* This specification are subject to be changed without notice.
11
50
1
2
47U
C23
Q18
1815
HF
DRING
3
1
2
SDO
R45
47K
R67
Q19
1815
VCC
560K
EM32100
CE
C22
1uF
10K
3
R46
JP10
JUMPER
.1uF
Q9
C945
1 C21
2
JP9 EM32100
R55
470K
HANDSET
HANDFREE
LCD DRIVER
22K
R44
HDO
R65
220K
HDO
HFO
HOOK
6
SW1B
4
3
1N4148
2
2
1.5V
1
2
47K
R56
3
NETWORK
SPEECH
2 TO 4 LINE
COL4/KT
Q10
C945
ROW1
1N4148
1N4148
1 D18
2
1D17
1D16
1
2
Q14
C945
POWER
AUDIO
AMPLIFER
CE
EM91455=
12
5
EM91455 LL !"#$%&'()*+,-.#/012
inary
Prelim
!"
2.13.1998
20
SDO
2
* This specification are subject to be changed without notice.
VSS
VDD
HFO
HDO
HKS
3
200k
1
1
220k
DIODE
DIODE
DIODE
2
2
2
47k
SDO
100k
1 C945
3 2
100k
1µ
2
1
3
C945
220k
SEG5
SEG4
SEG3
SEG2
SEG1
COM1
COM2
COM3
TEST2
TEST1
F32H
NC
36
35
34
33
32
31
30
29
28
27
26
25
20p
SEG6
SEG7
SEG8
SEG9
NC
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
EM32100
20p
32768Hz
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
VEE
VN
VP
NC
VCC
24
23
22
21
20
19
18
17
16
15
14
13
1.5V
.1µ
.1µ
!"= :
MS1
MS2
SD1
HKS
VDD
XIN
NC
XOUT
VSS
24/12
ENRTC
NC
EM32100 1
2
3
4
5
6
7
8
9
10
11
12
1
37
38
39
40
41
42
43
44
45
46
47
48
8/10 Digits LCD Pannel
EM91455 LL !"#$%&'()*+,-.#/012
inary
m
i
l
e
r
P
Package type : QFP 48 pins or chip form provided
2.13.1998
21
* This specification are subject to be changed without notice.
2.13.1998
22
LINE
2
SW HOOK
3
1
1
100K
2
2
1
2
1
SDI
.1µF
C945
2
3
2
3
2
3
GF
1
1
1
CALENDAR
RTC
2
1
46
47
48
18
17
16
15
14
13
12
11
10
9
8
1.5V
3
HOUR
2
1
2
24/12
ENRCT
ENCLND
GF
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
1
32768Hz
2
1
COM3
COM2
COM1
COM0
SEG31
SEG30
SEG29
SEG28
SEG27
SEG26
SEG25
SEG24
LCD PANEL
2
1
EM32117
.1µF
2
.1µF
1
2
40
39
38
37
36
35
34
33
32
31
30
29
28
27
19
XOUT
XIN
VSS
VC2
VC1
V3
V2
VDD
HKS
SDI
MS2
MS1
SPARE1
SPARE2
TEST
.1µF
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
1
80
79
78
77
76
75
74
73
72
71
70
69
68
67
.1µF
49
50
51
52
53
54
55
56
57
58
65
66
1
2
3
4
5
6
7
8
19
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
!"= :
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
COM0
COM1
COM2
COM3
EM32117 inary
Prelim
EM91455 LL !"#$%&'()*+,-.#/012