Panasonic KX-TDA0490XJ / KX-TDA0490X Service Manual ▷ View online
45
KX-
TDA0490XJ
/
KX-
TDA0490X
16 SCHEMATIC DIAGRAM
16.1. MAIN No.1-CPU-SH1 and Memory Block
1/4
KX-TDA0490XJ/KX-TDA0490X MAIN No.1 (1/4)
(7)
(9)
(1
1)
(13)
(15)
(17)
(19)
(21)
(1)
(2)
(3)
(4)
(5)
(22)
(6)
(14)
(16)
(18)
(20)
(8)
(10)
(12)
(e)
(g)
(i)
(a)
(b)
(c)
(w) (x) (y)
(z)
(A)
(d)
(f)
(h)
(k)
(n)
(q)
(s)
(u)
(j)
(m)
(p)
(r)
(t)
(v)
R134
68
R126
22
R131
22
RA1
10
68
1
2
3
4
2
3
4
5
6
7
8
R133
68
R125
10k
R130
1k
R128
10k
IC100
CPU
AD01
AD12
AD23
Vss4
4
AD35
AD46
AD57
AD68
AD79
AD810
AD911
AD1012
Vcc13
13
AD11
14
Vss15
15
AD1216
AD1317
AD1418
AD1519
A020
A121
A222
A323
Vss24
24
A425
A526
A627
A728
A829
A930
A1031
Vss32
32
A11
33
A1234
A1335
A1436
A1537
Vcc38
38
A1639
A1740
Vss41
41
A1842
A1943
A2044
A2145
CSO
46
CS1/CASH
47
CS2
48
CS3/CASL
49
Vss50
50
P
A
0/CS4/TIOCA0
51
P
A
1/CS5/RAS
52
P
A
2/CS6/TIOCB0
53
P
A
3/CS7/W
AIT
54
P
A
4/WRL(WR)
55
P
A5/WRH(LBS)
56
P
A6/RD
57
P
A
7/BACK
58
Vss59
59
P
A
8/BREQ
60
P
A9/AH/IRQOUT
61
P
A10/DPL/TIOCA1
62
Vcc63
63
P
A
1
1
/DPH/TIOCB1
64
P
A12/IRQ0/DACK0/TCLKA
65
P
A13/IRQ1/DREQ0/TCLKB
66
P
A14/IRQ2/DACK1
67
P
A15/IRQ3/DREQ1
68
CK
69
Vss70
70
EXT
A
L
71
XT
AL
72
Vcc73
73
NMI
74
WDT
O
VF
75
RES
76
MD0
77
MD1
78
MD3
79
Vcc80
80
Vss81
81
Vss82
82
PB0/TP0/TIOCA2
83
PB1/TP1/TIOCB2
84
PB2/TP2/TIOCA3
85
PB3/TP3/TIOCB3
86
PB4/TP4/TIOCA4
87
Vcc88
88
PB5/TP5/TIOCB4
89
PB6/TP6/TOCXA4/TCLKC
90
PB7/TP7/TOCXB4/TCLKD
91
Vss92
92
PB8/TP8/RxD0
93
PB9/TP9/TxD0
94
PB10/TP10/RxD1
95
PB11/TP1
1/TxD1
96
PB12/TP12/IRQ4/SCK0
97
PB13/TP13/IRQ5/SCK1
98
PB14/TP14/IRQ6
99
PB15/TP15/IRQ7
100
+3.3V
+3.3V
LA_K[0-21]
2:1C;3:1B
LD_K[0-15]
2:1C;3:1B
DG
nHAL
T
2:10G
R124
0
R123
68
R120
150
R1
19
150
R121
100
R122
100
R129
1k
+3.3V
nW
AIT_K
2:1B
nBREQ_K
2:1C
nBACK_K
2:1C
nCS1_K
2:1B
nCS6_K
2:1B;3:1B
nCS4_K
2:1B;3:1A
nPOW_RST
2:1A
R106
10k
R107
10k
R108
10k
R110
10k
R112
10k
R114
10k
+3.3V
+3.3V
R115
10k
R113
10k
R109
1k
R111
10k
R118
10k
R117
10k
R116
10k
RA1
1
1 68
1
2
3
4
2
3
4
5
6
7
8
RA1
13
68
1
2
3
4
2
3
4
5
6
7
8
RA1
15
68
1
2
3
4
2
3
4
5
6
7
8
RA1
1
6 68
1
2
3
4
2
3
4
5
6
7
8
R127
22
nINT_ASIC
2:1B
2:1B;3:1A
RA109
1k
1
2
3
4
2
3
4
5
6
7
8
RA108
1k
1
2
3
4
2
3
4
5
6
7
8
RA107
1k
1
2
3
4
2
3
4
5
6
7
8
RA106
1k
1
2
3
4
2
3
4
5
6
7
8
RA105
1k
1
2
3
4
2
3
4
5
6
7
8
RA104
1k
1
2
3
4
2
3
4
5
6
7
8
RA100
1k
1
2
3
4
2
3
4
5
6
7
8
RA101
1k
4
3
2
1
8
7
6
5
7
6
5
RA102
1k
4
3
2
1
8
7
6
5
7
6
5
RA103
1k
4
3
2
1
8
7
6
5
7
6
5
TP12C
TP1
1
F
TP14B
TP15E
TP121
TP12F
TP1
1
E
TP148
TP16B
TP132
TP1
1
9
TP1
1
8
TP145
TP16A
TP135
TP10A
TP12B
TP157
TP15C
TP13E
TP14C
TP1
1
D
TP129
TP154
TP167
TP141
TP14E
TP1
1
C
TP127
TP151
TP164
TP150
TP144
TP1
1
0
TP1
1
B
TP125
TP14F
TP166
TP12A
TP1
1
A
TP1
1
5
TP136
TP162
TP126
TP1
1
2
TP106
TP1
1
4
TP133
TP153
TP165
TP10D
TP128
TP130
TP138
TP16E
TP10E
TP147
TP12D
TP13B
TP15A
TP10F
TP14A
TP1
1
7
TP142
TP163
TP10B
TP120
TP13F
TP160
TP109
TP156
TP16C
TP13C
TP16D
TP108
TP10C
TP122
TP1
1
6
TP139
TP161
TP107
TP124
TP1
1
1
TP105
TP123
TP14D
TP169
TP1
1
3
LA_K[0-21]
LD_K[0-15]
CTS_SH1
LA_K[21]
LA_K[20]
LA_K[19]
LA_K[18]
LA_K[17]
LA_K[16]
LA_K[15]
LA_K[14]
LA_K[13]
LA_K[12]
LA_K[11]
LA_K[10]
LA_K[9]
LA_K[8]
LA_K[7]
LA_K[6]
LA_K[5]
LA_K[4]
LA_K[3]
LA_K[2]
LA_K[1]
LA_K[0]
LD_K[15]
LD_K[14]
LD_K[13]
LD_K[12]
LD_K[11]
nCS0_K
nCS1_K
nCS2_K
nCS3_K
nW
AIT_K
nBACK_K
PA
[9
]
nCS6_K
nCS4_K
LD_K[0]
LD_K[1]
LD_K[2]
LD_K[3]
LD_K[1]
LD_K[2]
LD_K[3]
LD_K[5]
LD_K[6]
LD_K[7]
LD_K[6]
LD_K[7]
LD_K[8]
LD_K[9]
LD_K[10]
LD_K[9]
LD_K[10]
LD_K[4]
LD_K[0]
LD_K[1]
LD_K[2]
LD_K[3]
LD_K[4]
LD_K[5]
LD_K[6]
LD_K[7]
LD_K[8]
LD_K[9]
LD_K[10]
LD_K[11]
LD_K[12]
LD_K[13]
LD_K[14]
LD_K[15]
LD_K[1]
LD_K[2]
LD_K[3]
LD_K[4]
LD_K[5]
LD_K[6]
LD_K[7]
LD_K[8]
LD_K[9]
LD_K[10]
LD_K[11]
LD_K[12]
LD_K[13]
LD_K[14]
LD_K[15]
nINT_ASIC
nINT_DPRAM_R
nBREQ_K
nHAL
T
LA_K[0]
LA_K[1]
LA_K[2]
LA_K[3]
LA_K[4]
LA_K[5]
LA_K[6]
LA_K[7]
LA_K[8]
LA_K[9]
LA_K[10]
LA_K[11]
LA_K[12]
LA_K[13]
LA_K[14]
LA_K[15]
LA_K[16]
LA_K[17]
LA_K[18]
LA_K[19]
LA_K[20]
LA_K[21]
LA_K[1]
LA_K[2]
LA_K[3]
LA_K[4]
LA_K[5]
LA_K[6]
LA_K[7]
LA_K[8]
LA_K[9]
LA_K[10]
LA_K[11]
LA_K[12]
LA_K[13]
LA_K[14]
LA_K[15]
LA_K[16]
LA_K[17]
LA_K[18]
LA_K[19]
LA_K[20]
LA_K[21]
R
T
S_SH1
nINT_DPRAM_R
D
E
C
B
A
46
35
2
1
46
KX-TDA0490XJ / KX-TDA0490X
2/4
KX-TDA0490XJ/KX-TDA0490X MAIN No.1 (2/4)
(7) (9) (11)(13)
(15)(17)(19)(21)
(1)
(2) (3)
(4) (5)
(22)
(6)
(14) (16) (18) (20)
(8) (10)(12)
(B)
(C)
(D)
(E)
(F)
(G)
(H)
R102
10k
R103
10k
R104
10k
R105
10k
R100
22
R101
22
+3.3V
DG
nL_RST
2:1B;3:1A;4:5H;5:1E
+3.3V
+3.3V
nRD_K
2:1B;3:1A
nWR_K
2:1B;3:1A
R135
10k
R136
10k
R137
10k
R138
10k
R132
22
+3.3V
+3.3V
RA112
10k
1
2
3
4
5
6
7
8
RA114
10k
1
2
3
4
5
6
7
8
CN100
For Debug
NC
1
1
2
2
3
3
4
4
5
5
6
6
7
7
TP149
TP168
TP146
TP143
TP140
TP15D
TP15B
TP131
TP155
TP12E
TP158
TP134
TP104
TP102
TP152
TP103
TP159
TP101
TP15F
TP13D
TP13A
TP137
TP100
RY
n
B
Y
PB[1]
PB[2]
PB[6]
PB[7]
PB[10]
PB[1
1]
PB[12]
PB[13]
PB[14]
PB[15]
nHAL
T
PB4_SH1
PB5_SH1
F
E
H
G
4
6
3
5
2
1
Normal : 3.3V
47
KX-
TDA0490XJ
/
KX-
TDA0490X
3/4
KX-TDA0490XJ/KX-TDA0490X MAIN No.1 (3/4)
(e)
(g)
(i)
(k)
(n)
(q)
(s)
(u)
(a)
(b)
(c)
(w)
(x)
(y)
(z)
(A)
(A)
(d)
(f)
(h)
(j)
(m)
(p)
(r)
(t)
(v)
(23)
(24)
(25)
(26)(27) (28)(29)(30)
(31)
R142
22
X100
12.288MHz
1
2
3
J102
NC
J103
NC
C108
27p
C109
27p
R146
10k
R147
10k
R148
10k
+3.3V
DG
R145
68
R143
68
R144
150
+3.3V
J112 NC
C125
0.1u
J109 NC
R149
10k
DG
J113 NC
+3.3V
R151
10k
J108 0
J111
NC
C100
0.1u
C101
0.1u
C102
0.1u
C103
0.1u
C104
0.1u
C105
0.1u
DG
+3.3V
C106
1u
C107
2.2u
DG
DG
DG
DG
DG
DG
DG
+3.3V
C126
2.2u
C128
1u
DG
+3.3V
DG
RA1
1
7
68
1
2
3
4
5
6
7
8
6
7
8
RA1
1
8
68
1
2
3
4
5
6
7
8
6
7
8
RA1
19
68
1
2
3
4
5
6
7
8
6
7
8
RA120
68
1
2
3
4
5
6
7
8
6
7
8
NC
R153
680
R152
TP195
TP181
TP197
TP193
TP171
TP191
TP18E
TP170
TP190
TP176
TP18F
TP18A
TP18B
TP18B
TP187
TP180
TP17B
TP192
TP194
TP18D
TP188
TP18C
TP16F
TP178
TP185
TP189
TP173
TP177
TP172
TP179
TP196
TP186
TP183
TP184
IC102
1
2
3
4
5
6
7
8
9
10
11
16
17
18
19
20
21
22
23
24
25
26
28
RESET
NC13
NC14
RY/BY
Vss27
DQ0
DQ8
DQ1
DQ9
DQ2
DQ10
DQ3
DQ11
Vcc
DQ4
DQ12
DQ5
DQ13
DQ6
DQ14
DQ7
DQ15/A_1
Vss46
12
13
14
15
27
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
A15
A14
A13
A12
A11
A10
A9
A8
NC9
NC10
NC10
WE
A18
A17
A7
A6
A5
A4
A3
A2
A1
A0
CE
OE
BYTE
A16
48
TP174
IC103
7
8
9
8
9
10
13
14
15
16
29
30
31
32
35
36
37
38
13
14
15
16
29
30
31
32
35
36
37
38
I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
I/O8
I/O9
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
I/O8
I/O9
I/O10
I/O11
I/O12
I/O13
I/O14
I/O15
I/O11
I/O12
I/O13
I/O14
I/O15
1
2
3
4
5
18
19
20
21
22
23
24
25
26
27
42
43
44
A4
A3
A2
A1
A0
A17
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
nLBS
nCS0_K
nRD_K
nRD_K
nWR_K
nWR_K
LD_K[0]
LD_K[1]
LD_K[2]
LD_K[3]
LD_K[4]
LD_K[5]
LD_K[6]
LD_K[7]
LD_K[8]
LD_K[9]
LD_K[10]
LD_K[11]
LD_K[12]
LD_K[13]
LD_K[1]
LD_K[2]
LD_K[3]
LD_K[4]
LD_K[5]
LD_K[6]
LD_K[7]
LD_K[8]
LD_K[9]
LD_K[10]
LD_K[11]
LD_K[12]
LD_K[13]
LD_K[15]
LD_K[14]
LA_K[21]
LA_K[1]
LA_K[2]
LA_K[3]
LA_K[4]
LA_K[5]
LA_K[6]
LA_K[7]
LA_K[8]
LA_K[9]
LA_K[10]
LA_K[11]
LA_K[12]
LA_K[13]
LA_K[14]
LA_K[15]
LA_K[16]
LA_K[17]
LA_K[18]
LA_K[19]
LA_K[20]
LA_K[2]
LA_K[3]
LA_K[4]
LA_K[5]
LA_K[6]
LA_K[7]
LA_K[8]
LA_K[9]
LA_K[10]
LA_K[11]
LA_K[12]
LA_K[13]
LA_K[14]
LA_K[15]
LA_K[16]
LA_K[17]
LA_K[18]
LA_K[19]
LA_K[20]
LA_K[1]
LA_K[2]
LA_K[3]
LA_K[4]
LA_K[5]
LA_K[6]
LA_K[7]
LA_K[8]
LA_K[9]
LA_K[10]
LA_K[11]
LA_K[12]
LA_K[13]
LA_K[14]
LA_K[15]
LA_K[16]
LA_K[17]
LA_K[18]
LA_K[2]
LA_K[3]
LA_K[4]
LA_K[5]
LA_K[6]
LA_K[7]
LA_K[8]
LA_K[9]
LA_K[10]
LA_K[11]
LA_K[12]
LA_K[13]
LA_K[14]
LA_K[15]
LA_K[16]
LA_K[17]
LA_K[18]
LD_K[0]
LD_K[1]
LD_K[2]
LD_K[3]
LD_K[4]
LD_K[5]
LD_K[6]
LD_K[7]
LD_K[8]
LD_K[9]
LD_K[10]
LD_K[11]
LD_K[12]
LD_K[13]
LD_K[14]
LD_K[15]
D
E
C
B
A
7
6
8
11
10
9
3.3V
0
48
KX-
TDA0490XJ
/
KX-
TDA0490X
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