Table of Contents
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6
7
A
TP190
+3.3V
J1
0
+3.3V
P.G
P.G
R23
TP201
22k
R25
B
10K F
TP196
P.G
(1)
(2)
(3)
C
(4)
LED1
R41
RED
(5)
150
1
2
TP135
R40
TP136
3
4
(6)
150
GREEN
DG
+3.3V
10K
10K
RA8
RA11
(7)
TP171
142
P0[0]
(8)
TP172
143
P0[1]
(9)
TP173
144
P0[2]
(10)
TP174
145
D
P0[3]
TP175
146
(11)
P0[4]
(12)
TP176
147
P0[5]
TP177
148
(13)
P0[6]
TP178
149
(14)
P0[7]
(15)
TP179
151
P1[0]
(16)
TP180
152
P1[1]
(17)
TP181
153
P1[2]
(18)
TP182
154
P1[3]
(19)
TP183
155
P1[4]
TP184
156
(20)
P1[5]
TP185
157
(21)
P1[6]
TP186
158
(22)
P1[7]
+3.3V
10K
RA10
(23)
TP147
161
P2[0]
TP148
162
P2[1]
(24)
TP149
163
P2[2]
(25)
TP150
164
P2[3]
TP151
165
E
P2[4]
(26)
TP152
166
P2[5]
(27)
TP153
167
P2[6]
TP154
168
+3.3V
P2[7]
10K
10K
RA1
RA9
TP155
170
P3[0]
TP156
171
P3[1]
TP157
172
P3[2]
TP158
173
P3[3]
TP159
174
P3[4]
TP160
175
P3[5]
TP161
176
P3[6]
TP162
177
P3[7]
+3.3V
5
4
TP137
192
P4[0]
6
3
TP138
193
P4[1]
7
2
TP139
194
P4[2]
8
1
TP140
195
P4[3]
5
4
TP141
196
F
P4[4]
6
3
TP142
197
P4[5]
7
2
TP143
198
P4[6]
8
1
TP144
199
P4[7]
+3.3V
5
4
TP163
201
P5[0]
6
3
TP164
202
P5[1]
7
2
TP165
203
P5[2]
8
1
TP166
204
P5[3]
5
4
TP167
205
P5[4]
6
3
TP168
206
P5[5]
7
2
TP169
207
P5[6]
8
1
TP170
208
P5[7]
183
AX[0]
184
AX[1]
185
AX[2]
186
AX[3]
187
AX[4]
188
AX[5]
G
189
AX[6]
190
AX[7]
DG
+3.3V
R44
10K
IC5
IC5
R45
1
7
6
2
TP188
220
R42
TP145
TP132
1M
R43
X1
2.7K
CLK_16M
16.384MHz
TP146
+3.3V
H
TP187
IC5
1
3
DG
8
FIL1
IC5
2
5
3
4
TP133
C32
10V/0.1
DG
8
+15VIN
1
L1
TP212
TP243
R14
33K
TP213
TP250
TP222
P.G
TP218
0
D5
5.1V
P.G
R20
IC1
1
5
CE/CSS
2
VIN
2
6
VSS
3
4
FB
EXT/
1
TP223
C9
+3.3V
50V/0.1
RA12
1K
TP239
D[0-7]
A[0-19]
TP233
nRST
nPOW_RST
+3.3V
+3.3V
IC6
5
VCC
M/R
DG
SUB
4
GND
VOUT
C54
10V/0.1
DG
nWAIT
nWR
nRD
J14
nCS1
NC
TP252
IC3
+3.3V
C35 10V/1
16.384M
C36 50V/0.01
C33
C37 50V/0.01
TP228
10V/1
C38 50V/0.01
+3.3V
C39 50V/0.01
C34
FIL2
1
3
C40 50V/0.01
50V/0.01
C41 50V/0.01
2
C42 50V/0.01
C43 50V/0.01
DG
C44 50V/0.01
5
C45 50V/0.01
C46 50V/0.01
C47 50V/0.01
C48 50V/0.01
C49 50V/0.01
C50 50V/0.01
C51 50V/0.01
DG
9
10
R2
TP320
TP267
C3
0.82
50V/0.1
E
TP308
Q1
B
R10
4
C
47K
TP319
5
R11
TP255
3
10K
TP268
TP279
D1
R6
TP321
5.6V
1K
TP269
P.G
P.G
2
TP270
J19
0
J20
0
J21
0
P.G
J45
0
J46
0
DG
P.G
TP274
TP271
+3.3V
+3.3V
1
2
RA14
100
RA15
RA23
NC
NC
3
+3.3V
DG
TP251
RA13
10K
105
EC_CLK
103
TP309
5
4
EC_STOP
102
TP310
6
3
EC_TRDY
101
TP311
7
2
EC_PERR
100
TP312
8
1
EC_FRAME
99
EC_PAR
97
EC_BE[0]
96
EC_BE[1]
95
EC_IDSEL
94
EC_NRST
C56
50V/3300P
DG
TP280
5
4
92
EC_AD[0]
TP281
6
3
91
EC_AD[1]
TP282
7
2
90
EC_AD[2]
TP283
8
1
89
EC_AD[3]
TP284
5
4
86
EC_AD[4]
TP285
6
3
85
EC_AD[5]
TP286
7
2
84
EC_AD[6]
TP287
8
1
83
EC_AD[7]
TP288
5
4
81
EC_AD[8]
80
TP289
6
3
EC_AD[9]
79
TP290
7
2
EC_AD[10]
78
TP291
8
1
EC_AD[11]
75
TP292
5
4
EC_AD[12]
74
TP293
6
3
EC_AD[13]
73
TP294
7
2
EC_AD[14]
72
TP295
8
1
EC_AD[15]
68
TP296
5
4
CT_D[0]
67
TP297
6
3
CT_D[1]
66
TP298
7
2
CT_D[2]
65
TP299
8
1
CT_D[3]
62
TP300
5
4
CT_D[4]
61
TP301
6
3
CT_D[5]
60
TP302
7
2
CT_D[6]
59
TP303
8
1
CT_D[7]
+3.3V
71
TP313
EC_INT
70
TP314
EC_DET
57
TP315
CT_NETREF
56
TP316
CT_C8_A
55
TP317
CT_FRAME_A
54
TP318
RINGER
118
MODE[0]
117
MODE[1]
116
MODE[2]
115
MODE[3]
114
MODE[4]
113
MODE[5]
182
VREFMINUS
181
VREFPLUS
+3.3V
DG
109
TP304
TDO
111
TP305
TMS
110
TP306
TRST
108
TDI
TP323
107
TP307
TCK
200
TEST1
169
TEST0
KX-TDA6178 SCHEMATIC DIAGRAM No.1 (2/2)
37
11
CN1
A1
R1
+15V
B1
+40V
0.47
IP2
+40V
A2
IP1
3.0A
B2
3.5A
A3
B3
R55
P.G
P.G
A4
TP363
22
B4
A5
3
B5
A6
B6
A7
TP358
B7
4
5
A8
TP359
3
6
TP360
7
2
B8
TP361
8
1
A9
R53
TP362
B9
220
A10
B10
EC_AD[0]
A11
EC_AD[1]
B11
EC_AD[2]
A12
EC_AD[3]
B12
EC_AD[4]
A13
EC_AD[5]
B13
TP322
A14
B14
EC_AD[6]
A15
EC_AD[7]
B15
EC_AD[8]
A16
EC_AD[9]
B16
EC_AD[10]
A17
EC_AD[11]
B17
A18
B18
EC_AD[12]
A19
EC_AD[13]
B19
EC_AD[14]
A20
EC_AD[15]
B20
EC_INT
A21
EC_DET
B21
A22
B22
CT_D[0]
A23
5
4
EC_AD[0]
6
3
EC_AD[1]
CT_D[1]
B23
7
2
EC_AD[2]
8
1
EC_AD[3]
CT_D[2]
A24
5
4
EC_AD[4]
6
3
EC_AD[5]
CT_D[3]
B24
7
2
EC_AD[6]
8
1
EC_AD[7]
CT_D[4]
A25
5
4
EC_AD[8]
6
3
EC_AD[9]
CT_D[5]
B25
7
2
EC_AD[10]
8
1
EC_AD[11]
CT_D[6]
A26
5
4
EC_AD[12]
6
3
EC_AD[13]
CT_D[7]
B26
7
2
EC_AD[14]
8
1
EC_AD[15]
A27
4
5
4
CT_D[0]
B27
6
3
CT_D[1]
7
2
CT_D[2]
A28
8
1
CT_D[3]
5
4
CT_D[4]
R58
22
B28
6
3
CT_D[5]
7
2
CT_D[6]
R57
22
A29
8
1
CT_D[7]
B29
R51
22
A30
R52
22
B30
A31
+3.3V
B31
TP348
5
4
A32
6
3
TP349
7
2
TP350
B32
8
1
TP351
5
4
TP352
A33
6
3
TP353
7
2
B33
8
1
TP356
A34
B34
A35
B35
DG
A36
B36
5
4
6
3
7
2
A37
TP354
8
1
B37
DG
A38
B38
A39
B39
A40
B40
A41
B41
A42
B42
A43
BELL_SYNC
R54
B43
nHALT
1k
A44
DIAG_R
B44
DIAG_T
DG
A45
B45
DG
KX-TDA6178
+15VPTA1
+15VPTB1
+40V
+15V
POWER_GNDA3
POWER_GNDB3
EC_CLK
EC_nSTOP
GNDA5
GNDB5
EC_nTRDY
EC_nPERR
EC_nFRAM
EC_PAR
EC_nCBE[0]
EC_nCBE[1]
EC_IDSEL
EC_nRST
GNDA10
GNDB10
EC_AD[0]
EC_AD[1]
EC_AD[2]
EC_AD[3]
EC_AD[4]
EC_AD[5]
GNDA14
GNDB14
EC_AD[6]
EC_AD[7]
EC_AD[8]
EC_AD[9]
EC_AD[10]
EC_AD[11]
GNDA18
ReservedB18
EC_AD[12]
EC_AD[13]
EC_AD[14]
EC_AD[15]
EC_nINT
EC_nCDET
GNDA22
ReservedB22
CT_D[0]
CT_D[1]
CT_D[2]
CT_D[3]
CT_D[4]
CT_D[5]
CT_D[6]
CT_D[7]
GNDA27
ReservedB27
CT_NETRE
CT_C8
CT_FRAME
nLOS
GNDA30
GNDB30
ReservedA31
ReservedB31
ReservedA32
ReservedB32
ReservedA33
ReservedB33
TXD2
RXD2
ReservedA35
ReservedB35
ReservedA36
ReservedB36
ReservedA37
ReservedB37
+30VA38
+30VB38
RINGER
RING_SYNC
nHALT
RING_SIN
GNDA41
(+3.3V)
(DC_ALM)
(AC_ALM)
(nEXTPOW[0])
(nEXTPOW[1])
DIAG_R
DIAG_T
GNDA45
RINGER_AC
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