Panasonic KX-TDA620BX Service Manual ▷ View online
37
KX-TDA620BX
38
KX-TDA620BX
11 IC DATA
11.1. CPU (IC200)
Pin No.
Pin Name
I/O
Description
1
nRDY
I
CPU ready signal
2
nRESET
I
CPU reset signal
3
nCS0
O
Chip select 0
4
nCS1
O
chip select 1
5
nCS4
O
chip select 4
6
nCS5
O
chip select 5
7
nCS6
O
chip select 6
8
nBS
O
Bus start signal
9
VDDQ
Power supply for IO(3.3V)
10
VSSQ
Ground
11
D47/P15
IO
Data Bus/IO port
12
D32/P0
IO
Data Bus/IO port
13
VDD
Power supply for CORE(1.5V)
14
VSS
Ground
15
D46/P14
IO
Data Bus/IO port
16
D33/P1
IO
Data Bus/IO port
17
D45/P13
IO
Data Bus/IO port
18
D34/P2
IO
Data Bus/IO port
19
D44/P12
IO
Data Bus/IO port
20
D35/P3
IO
Data Bus/IO port
21
VDDQ
Power supply for IO(3.3V)
22
VSSQ
Ground
23
D43/P11
IO
Data Bus/IO port
24
D36/P4
IO
Data Bus/IO port
25
D42/P10
IO
Data Bus/IO port
26
D37/P5
IO
Data Bus/IO port
27
D41/P9
IO
Data Bus/IO port
28
D38/P6
IO
Data Bus/IO port
29
D40/P8
IO
Data Bus/IO port
30
D39/P7
IO
Data Bus/IO port
31
VDDQ
Power supply for IO(3.3V)
32
VSSQ
Ground
33
D15
IO
Data Bus
34
D0
IO
Data Bus
35
D14
IO
Data Bus
36
D1
IO
Data Bus
37
D13
IO
Data Bus
38
D2
IO
Data Bus
39
VDD
Power supply for CORE(1.5V)
40
VSS
Ground
41
D12
IO
Data Bus
42
D3
IO
Data Bus
43
VDDQ
Power supply for IO(3.3V)
44
VSSQ
Ground
45
D11
IO
Data Bus
46
D4
IO
Data Bus
47
D10
IO
Data Bus
48
D5
IO
Data Bus
49
D9
IO
Data Bus
50
D6
IO
Data Bus
51
nBACK
O
Bus Acknowledge
52
nBREQ
I
Bus Request
53
D8
IO
Data Bus
54
D7
IO
Data Bus
55
CKE
O
Clock enable
56
VDDQ
Power supply for IO(3.3V)
57
VSSQ
Ground
58
nWE5
O
D40-47 write enable
59
nWE4
O
D32-39 write enable
60
nWE1/nCAS1/DQM1
O
D8-16 write enable/SDRAM CAS1
61
nWE0/nCAS0/DQM0
O
D0-7 write enable /SDRAM CAS0
62
A17
O
Address Bus
39
KX-TDA620BX
Pin No.
Pin Name
I/O
Description
63
A16
O
Address Bus
64
A15
O
Address Bus
65
VDD
Power supply for CORE(1.5V)
66
VSS
Ground
67
A14
O
Address Bus
68
A13
O
Address Bus
69
VDDQ
Power supply for IO(3.3V)
70
VSSQ
Ground
71
A12
O
Address Bus
72
A11
O
Address Bus
73
A10
O
Address Bus
74
A9
O
Bus
75
A8
O
Address Bus
76
A7
O
Address Bus
77
CKIO
O
Bus clock for SDRAM
78
VDDQ
Power supply for IO(3.3V)
79
VSSQ
Ground
80
A6
O
Address Bus
81
A5
O
Address Bus
82
A4
O
Address Bus
83
A3
O
Address Bus
84
A2
O
Address Bus
85
DRAK1
O
DMA Request acknowledge 1
86
DRAK0
O
DMA Request acknowledge 0
87
VDDQ
Power supply for IO(3.3V)
88
VSSQ
Ground
89
nCS3
O
Chip select signal 3
90
nCS2
O
Chip select signal 2
91
VDD
Power supply for CORE(1.5V)
92
VSS
Ground
93
nRAS
O
RAS signal for SDRAM
94
nRD/nCASS/
O
Read signal
95
RD/nWR
O
Read_write signal
96
nWE2/nCAS2/DQM2
O
D16-23 write enable /CAS2 for SDRAM
97
nWE3/nCAS3/DQM3
O
D24-31 write enable /CAS3 for SDRAM
98
nWE6
O
D48-55 write enable
99
VDDQ
Power supply for IO(3.3V)
100
VSSQ
Ground
101
nWE7
O
D56-63 write enable
102
D23
IO
Data Bus
103
D24
IO
Data Bus
104
D22
IO
Data Bus
105
RXD
I
Serial RX data
106
nDREQ0
I
DMA Request 0
107
nDREQ1
I
DMA Request 1
108
D25
IO
Data Bus
109
D21
IO
Data Bus
110
D26
IO
Data Bus
111
D20
IO
Data Bus
112
D27
IO
Data Bus
113
VDDQ
Power supply for IO(3.3V)
114
VDDS
Ground
115
D19
IO
Data Bus
116
D28
IO
Data Bus
117
VDD
Power supply for CORE(1.5V)
118
VSS
Ground
119
D18
IO
Data Bus
120
D29
IO
Data Bus
121
D17
IO
Data Bus
122
D30
IO
Data Bus
123
D16
IO
Data Bus
124
D31
IO
Data Bus
125
VDDQ
Power supply for IO(3.3V)
126
VSSQ
Ground
127
D55
IO
Data Bus Unused
128
D56
IO
Data Bus Unused
129
D54
IO
Data Bus Unused
40
KX-TDA620BX
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