Advertisement
FAX TX Signal
FAX RX Signal
EC_CLK,EC_STOP,EC_TRDY,EC_PERR,EC_FRAME,EC_PAR,EC_BE[0-1],EC_IDSEL,EC_nRST
EC_AD[0-15]
EC_INT,EC_DET
CT_D[0-7]
CT_NETREF,CT_FRAME,CT_C8,CT_LOS
CLKOUT,DHW[0-1],DSTI,HW_CLK[0-1],UHW[0-1],nHW_FH,nSHW_FH
nRST,nIRQ[1],nWAIT,nBREQ,nBACK
nCS[0-4],nCS[6]
nRD,nWR,nLBS
LA[0-21]
LD[0-15]
P1[0-7]
P2[2-3]
+5V
+3.3V
C60
0.1u
1
5
R49
M/R
Vcc
1K
2
SUB
3
4
GND
Vout
IC6
C38
DG
0.01u
R51
NC
+3.3V
E
B
Q6
C39
C
0.01u
+3.3V
DG
E
TP127
B
TP133
D1
R39
2
1
C
Q7
+3.3V
150
E
4
3
TP134
B
R40
Q8
C
TP126
+3.3V
150
E
TP128
B
TP135
D2
R43
Q1
C
+3.3V
2
1
150
E
TP129
B
TP136
D3
R44
Q2
C
+3.3V
2
1
150
E
TP130
B
TP137
D4
R46
Q3
C
150
+3.3V
2
1
E
TP131
TP138
B
D5
R47
C
Q4
+3.3V
2
1
150
E
TP132 TP139
D6
B
NC
NC
C
Q5
2
1
R48
NC
DG
3.3V: OFF
0V: ON
KX-TDA0187 SCHEMATIC DIAGRAM No.2
nPWRST
PWRS
DG
nRST
nRST
J3
LnRST
0
P2[2]
P2[3]
P1[0]
P1[1]
P1[2]
P1[3]
P1[4]
J24
NC
TP517
1
14
C33
C18
C19
2
IC29
0.1u
2.2u
1u
7
IC29
5
6
TP518
IC29
9
8
TP519
IC29
11
10
TP520
IC29
13
12
TP521
DG
+3.3V
TP688
10K
RA40
DG
P1[0]
P1[1]
P1[2]
P1[3]
P1[4]
P1[5]
P1[6]
P1[7]
R135
R136
R134
10K
10K
10K
ISDN_RST
DSP_nRST
P2[2]
P2[3]
nLOS
MASK
CT_LOS
nTxMF
R179
RA25
TP586
+3.3V
10K
10K
DG
4
HRDY
5
LOOPB
3
2
1
9
8
10
7
TP687
6
0
J31
RA35
+3.3V
10K 4
J32 0
5
3
2
0
J33
1
9
8
10
7
6
J34
J35
NC
NC
+3.3V
L90
0
3
TP700
FIL6
+3.3V
1K
R53
TP509
P0[0]
142
P0[0]
1K
R54
TP510
P0[1]
143
P0[1]
1K
R55
TP511
P0[2]
144
P0[2]
1K
R56
TP512
P0[3]
145
P0[3]
1K
R57
TP513
P0[4]
146
P0[4]
1K
R58
TP514
P0[5]
147
P0[5]
1K
R59
TP515
P0[6]
148
P0[6]
1K
R60
TP516
P0[7]
149
P0[7]
TP530
151
P1[0]
TP531
152
P1[1]
153
TP532
P1[2]
TP533
154
P1[3]
TP534
155
P1[4]
TP535
156
P1[5]
TP536
157
P1[6]
TP537
158
P1[7]
+3.3V
R137
R133
10K
10K
DG
TP522
161
P2[0]
TP523
162
P2[1]
163
TP524
P2[2]
TP525
164
P2[3]
NLOS
165
P2[4]
TP527
166
P2[5]
TP528
167
P2[6]
168
TP529
P2[7]
Normal: 0V
170
TP538
P3[0]
TP539
P3[1]
171
P3[1]
TP540
P3[2]
172
P3[2]
TP541
P3[3]
173
P3[3]
TP542
HRDY
174
P3[4]
175
TP543
P3[5]
P3[5]
TP544
P3[6]
176
P3[6]
TP545
P3[7]
177
P3[7]
Normal: 3.3V
TP546
192
P4[0]
P4[0]
TP547
P4[1]
193
P4[1]
TP548
194
P4[2]
P4[2]
TP549
P4[3]
195
P4[3]
TP550
196
P4[4]
P4[4]
197
TP551
P4[5]
P4[5]
TP552
P4[6]
198
P4[6]
TP553
199
P4[7]
P4[7]
J36
RA28
+3.3V
NC
10K
4
TP554
P5[0]
201
P5[0]
5
3
TP555
P5[1]
202
P5[1]
2
TP556
P5[2]
203
P5[2]
DG
1
TP557
P5[3]
204
P5[3]
9
TP558
P5[4]
205
P5[4]
8
TP559
P5[5]
206
P5[5]
10
7
TP560
P5[6]
207
P5[6]
6
TP561
P5[7]
208
P5[7]
RA27
+3.3V
10K
4
TP562
RX[0]
183
RX[0]
5
3
TP563
RX[1]
184
RX[1]
2
TP564
RX[2]
185
RX[2]
1
TP565
RX[3]
186
RX[3]
9
TP566
RX[4]
187
RX[4]
8
TP567
RX[5]
188
RX[5]
10
7
TP568
RX[6]
189
RX[6]
6
TP569
RX[7]
190
RX[7]
+3.3V
TP141
1
2
IC29
R98
1M
X2
TP140
16.384MHz
C24
15p
DG
J41
NC
TP579
J42
J44
0
R178
10K
J40
NC
DG
J45
0
NC
C16M
C30
TP143
2.2u
TP144
L91
J25
C31
R100
3
4
1
3
NC
2
1u
150
IC29
FIL7
FIL11
C32
1
DG
0.1u
3.3V
2
TP701
R99
1.2K
0
DG
TP142
16.384MHz
C25
15p
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
J43
NC
(15)
+3.3V
0
3
(16)
(17)
(18)
(19)
Advertisement
