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FAX TX Signal
FAX RX Signal
nLBS,nRD,nWR
CLKOUT,DHW[0-1],DSTI,HW_CLK[0-1],UHW[0-1],nHW_FH,nSHW_FH
LA[0-21]
LD[0-15]
+5V
J318
NC
FIL315
3
1
TP711
PC105
2
TP239
+5V
R352
1K
1
28
TP243
ENcv
VDD
R353
NC
2
27
2125
MS0
RST
R354
10K
3
26
C12i
CV
C340
TP251
DG
TP242
4
25
TP244
NC
NC
TP252
TP240
5
24
NC
CVb
2.2u
TP245
R355
10K
6
23
MS1
Yo
TP253
7
22
C334
TP246
F0i
Bi
TP254
TP241
8
21
F0b
Ai
TP247
TP255
R356
10K
9
20
MS2
MS3
0.1u
C16M
10
19
C16M
C16i
ENc2o
TP256
11
18
ENc4o
NC
C341
TP248
TP257
12
17
TP249
C8Kb
C2o
TP258
13
16
C4o
C2o
0.1u
TP250
TP259
14
15
Vss
C4b
IC304
DG
TP260
5V
0
16.384MHz
KX-TDA0187 SCHEMATIC DIAGRAM No.4
+3.3V
TP264
R359
1K
R360
10K
R361
1K
DG
R362
10K
R363
10K
R364
10K
R365
10K
nPWRST
REF_CLK
REF_CLK
R366
NC
+5V
R387
10K
R357
10K
R367
10K
R368
10K
TP261
DG
TP266
FIL311
R358
1
3
CLKOUT
2
SP706
0
C339
150p
HW_CLK[1]
DG
TP262
nSHW_FH
DG
DHW[0]
+3.3V
CN8
1
5
4
2
6
3
3
7
2
4
8
1
5
22
6
7
5
4
8
6
3
9
7
2
10
8
1
11
22
12
13
14
NC
DG
R384
10K
R385
10K
R386
10K
TP343
TP344
TP345
TP346
TP347
TP348
TP349
TP350
TP282
TP289
77
CLKMD1
78
CLKMD2
79
CLKMD3
TP272
TP285
13
HAS
92
HPIENA
TP273
TP288
19
READY
30
HOLD
20
PS
TP290
21
DS
TP291
22
IS
DSP
TP292
23
R/W
TP293
24
MSTRB
TP294
25
IOSTRB
TP295
26
MSC
TP296
28
HOLDA
TP297
IC303
29
IAQ
TP298
32
MP/MC
31
BIO
27
XF
TP299
63
NMI
61
IACK
TP300
82
TOUT0
TP301
94
CLKOUT
TP302
42
BCLKR1
49
BCLKX1
44
BFSR1
54
BFSX1
47
BDR1
60
BDX1
TP303
89
TMS
87
TRST
86
TDI
85
TDO
88
TCK
83
EMU0
84
EMU1/OFF
J315
NC
FIL308
1
2
2125
C325
2.2u
C326
1u
C327
0.1u
DG
+3.3V
TP686
TP685
10K
RA302
10K
RA301
TP351
TP352
TP353
TP354
TP355
TP356
TP357
TP358
HD7 6
LD[7]
HD6 135
LD[6]
HD5 124
LD[5]
HD4 120
LD[4]
HD3 95
LD[3]
HD2 81
LD[2]
HD1 69
LD[1]
HD0 58
LD[0]
HR/W 18
LA[3]
HCNTL1 46
LA[2]
HCNTL0 39
LA[1]
HBIL 62
LA[0]
TP360
TP474
BDR0 45
BDX0 59
L304
220
BCLKR0 41
R369
220
BCLKX0 48
BFSR0 43
BFSX0 53
HDS1 127
HDS2 129
HCS 17
nCS_DSP
R37022
HINT/TOUT1 51
nINT_DSP
TP363
TP368
INT2 66
INT0 64
R37310K
INT1 65
R37410K
INT3 67
R37510K
TP364
TP365
HRDY
HRDY 55
RS 98
DSP_nRST
10MHz
TP361
TP367
R371
J301
X2/CLKIN 97
22
0
TP369
R372
X1 96
22
10MHz
TP362
J302
TP359
TP366
0
2125
+1.8V
C322
2.2u
C323
1u
3
TP708
C324
PC105
0.1u
C336
0.1u
+3.3V
C337
0.1u
J316
NC
C338
FIL307
0.1u
1
3
TP709
2
PC105
DG
DHW[1]
UHW[1]
+3.3V
J306
NC
DSTI
IC26
J307
HW_CLK[1]
9
8
NC
10
nSHW_FH
DG
TC74VHC125F
UHW[0]
nRD
nWR
nCS_DSP
nINT_DSP
Normal: 3.3V
+3.3V
TP371
HRDY
J317
TP710
DSP_nRST
FIL312
TP372
NC
IC305
3
1
FIL313
2
5
VDD 7
1
3
SSCLK
NC
1
Xin
2
NC
C328
FASEL 6
DG
18p
X6
@cy25811sc
C329
S0 4
TP370
15p
S1 3
8
DG
Xout
GND 2
NC
DG
+3.3V
J319 NC
J320 NC
J321 NC
J322 NC
DG
+3.3V
L312
NC
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