Panasonic KX-TDA6178 Service Manual page 45

24-port single line telephone extension card with caller id
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7
A
A[0-19]
(1)
D[8-15]
(2)
D[0-7]
(3)
(4)
(5)
(6)
+3.3V
B
(7)
TP648
(8)
(9)
+3.3V
10K
RA617
3.3V
C
0V
(10)
TP649
nCS0
(11)
(12)
+3.3V
(13)
D
TP651
(14)
(15)
(17) (16)
(18)
(19)
(20)
(21)
(22)
(23)
(24)
(25)
nWR
+3.3V
nRD
E
R602
10K
RA619
10K
DG
3.3V
0V
(26)
(27)
F
G
H
8
3.3V
0V
nFPGA_INT
IC601
D[8]
TP655
10 AD8
20
TP701
A0
D[9]
TP656
11 AD9
21
TP702
A1
+3.3V
D[10]
TP657
12 AD10
22
TP703
A2
D[11]
TP658
14 AD11
23
TP704
A3
D[12]
TP659
16 AD12
25
TP705
A4
D[13]
26
TP660
17 AD13
TP706
A5
10K
10K
D[14]
27
TP661
18 AD14
TP707
A6
RA618
RA622
D[15]
28
TP662
19 AD15
TP708
A7
29
TP709
A8
TP663
60 PA8/BREQ
30
TP710
A9
61 PA9/AH/IRQOUT
31
TP664
TP711
A10
62 PA10/DPL/TIOCA1
33
TP665
TP712
A11
64 PA11/DPH/TIOCB1
34
TP713
TP666
A12
TP667
65 PA12/IRQ0/DACK0/TCLKA
35
TP714
A13
TP668
66 PA13/IRQ1/DREQ0/TCLKB
36
TP715
A14
TP669
67 PA14/IRQ2/DACK1
37
TP716
A15
TP670
68 PA15/IRQ3/DREQ1
39
TP717
A16
40
TP718
A17
TP654
TP671
5
4
L601
46 CSO
42
TP719
A18
6
3
220
TP672
47 CS1/CASH
43
TP720
A19
7
2
TP673
48 CS2
44
TP721
A20
8
1
TP674
49 CS3/CASL
45
TP722
A21
+3.3V
77 MD0
+3.3V
78 MD1
79 MD3
1
AD0
10K
2
DG
AD1
RA620
TP675
74 NMI
3
AD2
TP676
75 WDTOVF
5
AD3
R606
6
AD4
22
TP677
83 PB0/TP0/TIOCA2
7
AD5
TP678
84 PB1/TP1/TIOCB2
8
AD6
TP679
85 PB2/TP2/TIOCA3
9
AD7
86 PB3/TP3/TIOCB3
TP680
87 PB4/TP4/TIOCA4
69
CK
TP681
89 PB5/TP5/TIOCB4
TP682
90 PB6/TP6/TOCXA4/TCLKC
13
Vcc13
TP683
91 PB7/TP7/TOCXB4/TCLKD
38
Vcc38
63
Vcc63
73
Vcc73
80
Vcc80
TP684
93 PB8/TP8/RxD0
88
Vcc88
TP685
94 PB9/TP9/TxD0
TP686
95 PB10/TP10/RxD1
4
Vss4
TP687
96 PB11/TP11/TxD1
15
Vss15
TP688
97 PB12/TP12/IRQ4/SCK0
24
Vss24
TP689
98 PB13/TP13/IRQ5/SCK1
32
Vss32
TP690
99 PB14/TP14/IRQ6
41
Vss41
TP691
100 PB15/TP15/IRQ7
50
Vss50
59
Vss59
TP692
51 PA0/CS4/TIOCA0
70
Vss70
81
TP693
52 PA1/CS5/RAS
Vss81
82
TP694
53 PA2/CS6/TIOCB0
Vss82
92
TP652
nWAIT
54 PA3/CS7/WAIT
Vss92
R603
L603
TP695
55 PA4/WRL(WR)
68
56 PA5/WRH(LBS)
220
TP696
TP653
57 PA6/RD
72
TP697
XTAL
L602
220
58 PA7/BACK
R604
TP698
J607
68
0
71
EXTAL
76
RES
+3.3V
C628
50V/220P
C608
50V/0.01
C629
50V/220P
C609
50V/0.01
C630
50V/220P
C610
50V/0.01
C631
50V/220P
C611
50V/0.01
C632
50V/220P
C612
50V/0.01
C633
C613
50V/220P
50V/0.01
C634
C614
50V/220P
50V/0.01
C635
C615
50V/220P
50V/0.01
C636
C616
50V/220P
50V/0.01
C637
C617
50V/220P
50V/0.01
C638
C618
50V/220P
50V/0.01
C639
C619
50V/220P
50V/0.01
C640
50V/220P
C620
50V/0.01
C641
50V/220P
C621
50V/0.01
C642
50V/220P
C622
50V/0.01
C643
50V/220P
C623
50V/0.01
C644
50V/220P
C624
50V/0.01
C645
50V/220P
C625
50V/0.01
C646
C626
50V/220P
50V/0.01
C647
C627
50V/220P
50V/0.01
DG
DG
9
10
J605
J606
nRST
nCS1
nCS3
1
A[0]
8
TP757
2
4
A[1]
7
5
TP758
3
3
A[2]
6
6
TP759
4
2
A[3]
5
7
TP760
1
1
A[4]
8
8
TP761
2
4
A[5]
7
5
TP762
3
3
A[6]
6
6
TP763
4
2
TP764
A[7]
5
7
8
1
1
8
TP765
A[8]
7
2
4
5
TP766
A[9]
6
3
3
6
TP767
A[10]
5
4
2
7
TP768
A[11]
8
1
1
8
TP769
A[12]
7
2
4
5
TP770
A[13]
6
3
3
6
TP771
A[14]
5
4
2
7
TP772
A[15]
8
1
1
8
TP773
A[16]
7
2
4
5
TP774
A[17]
6
3
3
6
TP775
A[18]
5
4
2
7
TP776
A[19]
A[20]
1
8
A[21]
2
7
+3.3V
1
8
TP732
TP755
3
6
TP733
TP756
4
5
TP724
D[0]
TP725
D[1]
TP726
D[2]
TP727
D[3]
TP728
D[4]
TP729
D[5]
TP730
D[6]
TP731
D[7]
+3.3V
12.288M
+3.3V
FLT603
TP777
1
3
DG
IC607
2
8 XOUT
DG
7 VDD
TP699
GND
6 FASEL
R607
22
DG
TP734
5 SSCLK
TP778
14
+3.3V
KX-TDA6178 SCHEMATIC DIAGRAM No.5 (2/2)
45
11
A[0-19]
D[0-7]
nCS2
nRD
nWR
nIRQ1
nFPGA_INT
nHALT
BELL_SYNC
0
nBREQ
NC
DG
nBACK
nWAIT
nPOW_RST
nRST
nCS1
nCS3
3.3V
0V
R608
330
TP779
TP781
X601
12.288M
1
1
3
Xin
2
TP780
2
3
S1
DG
4
DG
S0
DG
DG
DG
CLK_12M
KX-TDA6178

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