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LA[0-21]
LA[0]
LA00
LA[1]
LA01
LA[2]
LA02
LA[3]
LA03
LA[4]
LA04
LA[5]
LA05
LA[6]
LA06
LA[7]
LA07
LA[8]
LA08
LA[9]
LA09
LA[10]
LA10
LA[11]
LA11
LA[12]
LA12
LA[13]
LA13
LA[14]
LA14
LA[15]
LA15
LA[16]
LA16
LA[17]
LA17
LA[18]
LA18
LA[19]
LA19
A[0-21]
LA[20]
LA20
LA[21]
LA21
LD[0]
LD00
LD[1]
LD01
LD[2]
LD02
LD[3]
LD03
LD[4]
LD04
LD[5]
LD05
LD[6]
LD06
LD[7]
LD07
LD[8]
LD08
LD[9]
LD09
LD[10]
LD10
LD[11]
LD11
LD[12]
LD12
LD[13]
LD13
LD[14]
LD14
LD[15]
LD15
LD[0]
TP724
LD[1]
TP725
LD[2]
TP726
LD[3]
TP727
LD[4]
TP728
LD[5]
TP729
LD[6]
TP730
LD[7]
TP731
LD[8]
TP732
LD[9]
TP733
LD[10]
TP734
LD[11]
TP735
LD[12]
TP736
LD[13]
TP737
LD[14]
TP738
LD[15]
TP739
A[0]
TP740
A[1]
TP741
A[2]
TP742
A[3]
TP743
A[4]
TP744
Normal: 3.3V
Normal: 0V
IC23
1
2
nIRQ[0]
nHALT
nINT_ISDN
nINT_DSP
nRxMF
nLOS
J10
5V
NC
0
TP1
RA18
1K
RA17
1K
+3.3V
+3.3V
TXD RXD
R1
R2
R3
10K
10K
10K
1
R38
22
2
R41
22
3
CTS RTS
4
5
6
R42
22
7
R45
22
CN3
DG
+3.3V
DG
+5V
DG
5V
0
+5V
NC
RA24
10K
RA21
ID[0-15]
KX-TDA0187 SCHEMATIC DIAGRAM No.1
A[5]
nCS4
TP745
TP766
A[6]
PA[1]
TP746
TP767
A[7]
nCS6
TP747
TP768
A[8]
nWAIT
TP748
TP769
A[9]
nWRM
TP749
TP770
A[10]
nLBSM
TP750
TP771
nRDM
TP772
A[11]
TP751
TP773
A[12]
TP752
A[13]
nBREQ
TP753
TP774
A[14]
PA[9]
TP754
TP775
A[15]
CTS
TP755
TP776
A[16]
RTS
TP756
TP777
A[17]
nIRQ[0]
TP757
TP778
nIRQ[1]
TP779
A[18]
nINT_ISDN
TP758
TP780
nINT_DSP
A[19]
TP759
TP781
A[20]
PIN69
TP760
TP782
A[21]
TP761
nCS0
EXTAL
TP762
TP783
nCS1
XTAL
TP763
TP784
nCS2
TP764
nCS3
TP765
TP785
TP786
J12
LAND
J49NC
J50NC
J51NC
DG
RA16
10K
TP689
nCS[4]
R75
10K
nCS[6]
R76
10K
nCS[0]
nCS[1]
nCS[2]
R4
nCS[3]
10K
nCS[6]
TXD
nCS[4]
RXD
ID[0]
ID[1]
ID[2]
CTS
ID[3]
RTS
ID[4]
ID[5]
ID[6]
ID[7]
ID[0]
ID[1]
ID[2]
ID[3]
ID[4]
ID[5]
ID[6]
ID[7]
nRD
5
ID[0]
4
ID[1]
3
6
ID[2]
2
7
ID[3]
1
8
ID[4]
4
ID[5]
3
ID[6]
2
ID[7]
1
IC24
1
3
2
ID[0]
ID00
ID[1]
nWR
ID01
ID[2]
ID02
TP9
ID[3]
ID03
ID[4]
ID04
ID[5]
ID05
ID[6]
ID06
+3.3V
ID[7]
ID07
ID[8]
ID08
R5
ID[9]
ID09
ID[10]
10K
ID10
ID[11]
ID11
5V
IC20
ID[12]
ID12
4
ID[13]
ID13
R6
2
Q 5
ID[14]
D
ID14
PR
ID[15]
ID15
22
TP5
CK
3
Q 6
TP6
CLR
1
TP4
nRST
TP787
TP788
TP789
nIRQ[0]
TP790
PB[1]
TP791
PB[2]
TP792
RYnBY
TP793
PB[4]
TP794
PB[5]
TP795
PB[6]
TP796
PB[7]
TP797
RXD
TP798
TXD
TP799
PB[10]
TP800
PB[11]
TP801
nLOS
TP802
nRxMF
TP803
nIRQ[6]
TP804
nIRQ[7]
TP805
+3.3V
nCS[0]
nCS[1]
3.3V
nCS[2]
nCS[3]
0
nCS[6]
nCS[4]
5
4
LD[0]
6
3
LD[1]
7
2
LD[2]
8
1
LD[3]
5
4
LD[4]
6
3
LD[5]
7
2
LD[6]
8
1
LD[7]
IC21
Vcc 20
2
A1
3
A2
4
A3
5
A4
6
A5
7
A6
8
A7
9
A8
1
OE1
nCS_ISDN
19
GND 10
OE2
IC22
Vcc 20
18
Y1
17
Y2
16
Y3
15
Y4
5
14
Y5
6
13
Y6
7
12
Y7
8
11
Y8
TP415
1
G1
nCS_ISDN
J1
19
GND 10
TP20
TP17
G2
NC
10
R8
8
nWEN
9
22
TP21
TP22
IC24
L47
13
R10
11
12
+3.3V
220
150
IC24
R7
10K
IC20
10
12
Q 9
D
PR
TP18
TP19
CK
R9
11
Q 8
CLR
22
13
TP412
2125
TP692
SP706
TP16
3
4
1
3
2
FIL15
IC23
DG
J11
NC
3.3V
0
3.3V
0
TP24
TP25
TP26
TP27
nCS[0]
L39
220
R25
150
nCS[1]
L40
220
R26
150
nCS[2]
L41
220
nCS2
R27
100
L42
nCS[3]
R28
NC
NC
nCS3
nCS[6]
L43
220
nCS6
R11
68
TP29
TP417
nCS4
nCS[4]
R74
0
L48
0
PA[1]
+3.3V
R13 10K
R17 1K
DG
nWAIT
R14
nBACK
nBREQ
22
PA[9]
CTS
RTS
nIRQ[0]
nIRQ[1]
nINT_ISDN
nINT_DSP
R16 22
+3.3V
R15
10K
+3.3V
Y1 18
LD[0]
Y2 17
LD[1]
Y3 16
LD[2]
IC5
Y4 15
LD[3]
Y5 14
LD[4]
LA[1]
25
A0
Y6 13
LD[5]
LA[2]
24
A1
Y7 12
LD[6]
LA[3]
23
A2
Y8 11
LD[7]
22
LA[4]
A3
LA[5]
21
A4
C4
LA[6]
20
A5
0.1u
LA[7]
19
A6
LA[8]
18
A7
8
LA[9]
A8
DG
LA[10]
7
A9
+5V
LA[11]
6
A10
LA[12]
5
A11
4
A1 2
LD[0]
LA[13]
A12
A2 3
LD[1]
LA[14]
3
A13
A3 4
LD[2]
LA[15]
2
A14
A4 5
LD[3]
LA[16]
1
A15
DQ15/A_1
A5 6
48
LD[4]
LA[17]
A16
A6 7
LD[5]
LA[18]
17
A17
A7 8
LD[6]
LA[19]
J4
0
16
A18
A8 9
LD[7]
LA[20]
9
NC
J5NC
C5
0.1u
+3.3V
R12
DG
10K
47
TP23
BYTE
TP28
11
nWR2
nWR
WE
nWR2
nRD
28
OE
26
nCS[0]
CE
+3.3V
R146
10K
IC30
4
R147
nCS[6]
2
Q 5
D
PR
TP693
TP423
R177
CK
3
Q 6
TP424
CLR
150
C58
1
22p
TP422
LA[10]
DG
RA5
RA3
RA1
68
68
68
RA4
RA2
68
68
TP32
TP33
TP34
TP35
TP36
nCS0
46
CS0
nCS1
47
CS1/CASH
48
CS2
49
CS3/CASL
53
PA2/CS6/TIOCB0
51
PA0/CS4/TIOCA0
CPU
52
PA1/CS5/RAS
77
IC1
MD0
78
MD1
79
MD2
54
PA3/CS7/WAIT
58
PA7/BACK
60
PA8/BREQ
61
PA9/AH/IRQOUT
62
PA10/DPL/TIOCA1
64
PA11/DPH/TIOCB1
65
PA12/IRQ0/DACK0/TCLKA
66
PA13/IRQ1/DREQ0/TCLKB
67
PA14/IRQ2/DACK1
68
PA15/IRQ3/DREQ1
75
WDTOVF
74
NMI
Normal: 3.3V
DQ0 29
L23
220
DQ1 31
L24
220
DQ2 33
L25
220
DQ3 35
L26
220
DQ4 38
L27
8
220
7
DQ5 40
L28
220
DQ6 42
L29
220
6
DQ7 44
L30
220
5
DQ8 30
L31
220
DQ9 32
L32
220
DQ10 34
L33
220
DQ11 36
L34
220
DQ12 39
L35
8
220
L36
7
DQ13 41
220
DQ14 43
L37
220
6
45
L38
220
5
TP40
J20
TP696
Vcc 37
NC
FIL2
L86
Vss 27
1
3
Vss 46
0
2
PC105
NC 10
TP41
NC 13
TP42
J6NC
TP43
NC 14
DG
J9NC
RY/BY 15
RYnBY
RESET 12
nPWRST
Normal: 3.3V
Normal: 3.3V
J17
NC
TP425
IC31
TP426
13
11
12
22
IC31
TP427
IC23
10
8
11
10
9
TP413
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(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)
(37)
(38)
(39)
(40)
(41)
(42)
(43)
(44)
(45)
(46)
+3.3V
(47)
(48)
(49)
1
(50)
2
(51)
4
(52)
5
(53)
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