Panasonic KX-TDA0490XJ / KX-TDA0490X Service Manual ▷ View online
9.3. IC400 (CPU)
Pin No.
Pin Name
I/O
Description
1
RDY
I
Bus ready
2
RESET
I
Reset
3
CS0
O
Chip select 0
4
CS1
O
Chip select 1
5
CS4
O
Chip select 4
6
CS5
O
Chip select 5
7
CS6
O
Chip select 6
8
BS
O
Bus start
9
VDDQ
Power
IO VDD (3.3V)
10
VSSQ
Power
IO GND (0V)
11
D47
I/O
Data / Port
12
D32
I/O
Data / Port
13
VDD
Power
Internal VDD
14
VSS
Power
Internal GND (0V)
15
D46
I/O
Data/Port
16
D33
I/O
Data/Port
17
D45
I/O
Data/Port
18
D34
I/O
Data/Port
19
D44
I/O
Data/Port
20
D35
I/O
Data/Port
21
VDDQ
Power
IO VDD (3.3V)
22
VSSQ
Power
IO GND (0V)
23
D43
I/O
Data/Port
24
D36
I/O
Data/Port
25
D42
I/O
Data/Port
26
D37
I/O
Data/Port
27
D41
I/O
Data/Port
28
D38
I/O
Data/Port
25
KX-TDA0490XJ / KX-TDA0490X
Pin No.
Pin Name
I/O
Description
29
D40
I/O
Data/Port
30
D39
I/O
Data/Port
31
VDDQ
Power
I/O VDD (3.3V)
32
VSSQ
Power
I/O GND (0V)
33
D15
I/O
Data
34
D0
I/O
Data
35
D14
I/O
Data
36
D1
I/O
Data
37
D13
I/O
Data
38
D2
I/O
Data
39
VDD
Power
Intenal VDD
40
VSS
Power
Internal GND (0V)
41
D12
I/O
Data
42
D3
I/O
Data
43
VDDQ
Power
IO VDD (3.3V)
44
VSSQ
Power
IO GND (0V)
45
D11
I/O
Data
46
D4
I/O
Data
47
D10
I/O
Data
48
D5
I/O
Data
49
D9
I/O
Data
50
D6
I/O
Data
51
BACK/BSREQ
O
Bus acknowledge/Bus request
52
BREQ/BSACK
I
Bus request/Bus acknowledge
53
D8
I/O
Data
54
D7
I/O
Data
55
CKE
O
CK enable
56
VDDQ
Power
IO VDD (3.3V)
57
VSSQ
Power
IO GND (0V)
58
WE5/CAS5/DQM5
O
D47-D40 Select signal
59
WE4/CAS4/DQM4
O
D39-D32 Select signal
60
WE1/CAS1/DQM1
O
D15-D8 Select signal
61
WE0/CAS0/DQM0
O
D7-D0 Select signal
62
A17
O
Address
63
A16
O
Address
64
A15
O
Address
65
VDD
Power
Internal VDD
66
VSS
Power
Internal GND (0V)
67
A14
O
Address
68
A13
O
Address
69
VDDQ
Power
IO VDD (3.3V)
70
VSSQ
Power
IO GND (0V)
71
A12
O
Address
72
A11
O
Address
73
A10
O
Address
74
A9
O
Address
75
A8
O
Address
76
A7
O
Address
77
CKIO
O
Clock output
78
VDDQ
Power
IO VDD (3.3V)
79
VSSQ
Power
IO GND (0V)
80
A6
O
Address
81
A5
O
Address
82
A4
O
Address
83
A3
O
Address
84
A2
O
Address
85
DRAK1
O
DMA request honor 1
86
DRAK0
O
DMA request honor 0
87
VDDQ
Power
IO VDD (3.3V)
88
VSSQ
Power
IO GND (0V)
89
CS3
O
Chip select 3
90
CS2
O
Chip select 2
91
VDD
Power
Internal VDD
92
VSS
Power
Internal GND (0V)
93
RAS
O
RAS
94
RD/CASS/FRAME
O
Read/CASS/FRAME
95
RD/WR
O
Read/Write
26
KX-TDA0490XJ / KX-TDA0490X
Pin No.
Pin Name
I/O
Description
96
WE2/CAS2/DQM2/ICIORD
O
D23-D16 Select signal
97
WE3/CAS3/DQM3/ICIORD
O
D31-D24 Select signal
98
WE6/CAS6/DQM6
O
D55-D48 Select signal
99
VDDQ
Power
IO VDD (3.3V)
100
VSSQ
Power
IO GND (0V)
101
WE7/CAS7/DQM7/REG
O
D63-D56 Select signal
102
D23
I/O
Data
103
D24
I/O
Data
104
D22
I/O
Data
105
RXD
I
Input port for SCI
106
DREQ0
I
DMA request 0
107
DREQ1
I
DMA request 1
108
D25
I/O
Data
109
D21
—
Data
110
D26
I/O
Data
111
D20
I/O
Data
112
D27
I/O
Data
113
VDDQ
Power
IO VDD (3.3V)
114
VSSQ
Power
IO GND (0V)
115
D19
I/O
Data
116
D28
I/O
Data
117
VDD
Power
Internal VDD
118
VSS
Power
Internal GND (0V)
119
D18
I/O
Data
120
D29
I/O
Data
121
D17
I/O
Data
122
D30
I/O
Data
123
D16
I/O
Data
124
D31
I/O
Data
125
VDDQ
Power
IO VDD (3.3V)
126
VSSQ
Power
IO GND (0V)
127
D55
I/O
Data
128
D56
I/O
Data
129
D54
I/O
Data
130
D57
I/O
Data
131
D53
I/O
Data
132
D58
I/O
Data
133
D52
I/O
Data
134
D59
I/O
Data
135
VDDQ
Power
IO VDD (3.3V)
136
VSSQ
Power
IO GND (0V)
137
D51
I/O
Data/Port
138
D60
I/O
Data
139
D50
I/O
Data/Port
140
D61
I/O
Data
141
D49
I/O
Data/Port
142
D62
I/O
Data
143
VDD
Power
Internal VDD
144
VSS
Power
Internal GND (0V)
145
D48
I/O
Data/Port
146
D63
I/O
Data
147
VDDQ
Power
IO VDD (3.3V)
148
VSSQ
Power
IO GND (0V)
149
MD0/SCK
I/O
Mode/SCI clock
150
MD1/TXD2
I/O
Mode/Output port for SCIF
151
MD2/RXD2
I
Mode/Output port for SCIF
152
IRL0
I
Interrupt 0
153
IRL1
I
Interrupt 1
154
IRL2
I
Interrupt 2
155
IRL3
I
Interrupt 3
156
NMI
I
Non-maskable interrupt
157
XTAL2
O
Crystal-oscillator terminal for built-in RTC
158
EXTAL2
I
Crystal-oscillator terminal for built-in RTC
159
VSS-RTC
Power
RTC GND (0V)
160
VDD-RTC
Power
RTC VDD (3.3V)
161
CA
—
Hardware standby request (SH7750S, SH7750R)
162
VDD
Power
Internal VDD
27
KX-TDA0490XJ / KX-TDA0490X
Pin No.
Pin Name
I/O
Description
163
VSS
Power
Internal GND (0V)
164
CTS2
I/O
SCIF data control (CTS)
165
TCLK
I/O
RTC/TMU clock
166
MD8/RTS2
I/O
Mode/SCIF data control (RTS)
167
MD7/TXD
I/O
Mode /Output port for SCI
168
SCK2/MRESET
I
SCIF clock/Manual reset
169
VDD
Power
Internal VDD
170
VSS
Power
Internal GND (0V)
171
A18
O
Address
172
A19
O
Address
173
A20
O
Address
174
A21
O
Address
175
A22
O
Address
176
A23
O
Address
177
VDDQ
Power
IO VDD (3.3V)
178
VSSQ
Power
IO GND (0V)
179
A24
O
Address
180
A25
O
Address
181
MD3/CE2A
I/O
Mode/PCMCIA-CE
182
MD4/CE2B
I/O
Mode/PCMCIA-CE
183
MD5/RAS2
I/O
Mode/RAS (DRAM)
184
DACK0
O
DMA acknowledge 0
185
DACK1
O
DMA acknowledge 1
186
A0
O
Address
187
VDDQ
Power
IO VDD (3.3V)
188
VSSQ
Power
IO GND (0V)
189
A1
O
Address
190
STATUS0
O
Status
191
STATUS0
O
Status
192
MD6/IOIS16
I
Mode/OIS16 (PCMCIA)
193
ASEBRK/BRKACK
I/O
ASE break/Acknowledge (H-UDI)
194
TDO
I
Test data Output (H-UDI)
195
VDD
Power
Internal VDD
196
VSS
Power
Internal GND (0V)
197
TMS
I
Test mode switch (H-UDI)
198
TCK
I
Test clock (H-UDI)
199
TDI
I
Test data input
200
TRST
I
Test reset
201
VDD-PLL2
Power
PLL2 VDD (3.3V)
202
VSS-PLL2
Power
PLL2 GND (0V)
203
VDD-PLL1
Power
PLL1 VDD (3.3V)
204
VSS-PLL1
Power
PLL1 GND (0V)
205
VDD-CPG
Power
CPG VDD (3.3V)
206
VSS-CPG
Power
CPG GND (0V)
207
XTAL
O
Crystal-oscillator
208
EXTAL
I
External clock/Crystal-oscillator
28
KX-TDA0490XJ / KX-TDA0490X
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