Read Panasonic CN-VM4270A Service Manual online
Pin
No.
Name
Description
I/O
Vol.
(V)
97
GND
GND
-
0
98
SUBD2
Sub CPU Data Bus 2
I/O
3.3
99
SUBD1
Sub CPU Data Bus 1
I/O
3.3
100 SUBD0
Sub CPU Data Bus 0
I/O
3.3
101 AUXCS1(NC) AUX CS1 Output
-
-
102 AUXCS0(NC) AUX CS0 Output
-
-
103 VCC3
+3.3V Power Supply
-
3.3
104 SUBWR1
Sub CPU WR1
O
3.3
105 SUBWR0
Sub CPU WR0
O
3.3
106 GND
GND
-
0
107 SUBRD
Sub CPU RD
O
3.3
108 CLKOUT
(NC)
-
-
-
109 GND
GND
-
0
110 POBF/
RICINT
-
I
0
111 PIBE/
RICMCS
Voice Recognition Buffer Empty
Input
Input
I
0
112 GIO/
RICIOCS(NC
)
)
Voice Recognition Forced Close
Output
Output
-
-
113 GO1/
RICRDY
Voice Recognition Flag Input
I
0
114 DSP RES/
RICBHE(NC)
Voice Recognition Reset Output
-
-
115 Q2IRQ
Q2 Interrupt Request Input
I
3.3
116 Q2DACK
Q2 D Acknowledge Output
O
3.3
117 VCC3
+3.3V Power Supply
-
3.3
118 Q2DREQ
Q2 D Request Input
I
3.3
119 Q2WAIT
Q2 Wait Input
I
3.3
120 GND
GND
-
0
121 VCC3
+3.3V Power Supply
-
3.3
122 Q2CS1
Q2 CS1 Input
I
3.3
123 Q2CS0
Q2 CS0 Input
I
3.3
124 GND
GND
-
0
125 MASKCS
Mask Chip Select Input
I
3.3
126 SRAMCS
SRAM Chip Select Input
I
3.3
127 EXTWAIT
-
-
3.3
128 MAUX (NC)
-
-
-
129 GND
GND
-
0
130 SUBINT
Bus Request Interrupt for Sub CPU
O
3.3
131 BLOCK
Block Sync. Detection Input
I
0
132 GPS RES
GPS Reset Output
O
0
133 PORT4
Audio Mute Control Output
O
0
134 A25
Address Data 25
I
0
135 VCC3
+3.3V Power Supply
-
3.3
136 A24
Address Data 24
I
0
137 A23
Address Data 23
I
0
138 GND
GND
-
0
139 A22
Address Data 22
I
0
140 A21
Address Data 21
I
1.6
141 A20
Address Data 20
I
1.6
142 A19
Address Data 19
I
1.9
143 A18
Address Data 18
I
1.7
144 VCC3
+3.3V Power Supply
-
3.3
145 A12
Address Data 12
I
2.4
146 A11
Address Data 11
I
2.4
147 A10
Address Data 10
I
1.9
148 A9
Address Data 9
I
1.8
149 GND
GND
-
0
150 A8
Address Data 8
I
2.2
151 A7
Address Data 7
I
1.4
152 A6
Address Data 6
I
2.4
153 A5
Address Data 5
I
1.5
154 VCC3
+3.3V Power Supply
-
3.3
155 A4
Address Data 4
I
1.6
156 A3
Address Data 3
I
1.8
Pin
No.
Name
Description
I/O
Vol.
(V)
157 A2
Address Data 2
I
2.1
158 A1
Address Data 1
I
0.6
159 A0
Address Data 0
I
0
160 GND
GND
-
0
161 T
(Connecting to +3.3V Power
Supply)
Supply)
-
3.3
162 W
(Connecting to +3.3V Power
Supply)
Supply)
-
3.3
163 VCC3
+3.3V Power Supply
-
3.3
164 TEST
(Connecting to +3.3V Power
Supply)
Supply)
-
3.3
165 Do
Data Bus 0
I/O
0.5
166 GND
GND
-
0
167 D1
Data Bus 1
I/O
0.5
168 D2
Data Bus 2
I/O
0.7
169 D3
Data Bus 3
I/O
1.2
170 VCC3
+3.3V Power Supply
-
3.3
171 D4
Data Bus 4
I/O
0.9
172 D5
Data Bus 5
I/O
1.4
173 GND
GND
-
0
174 D6
Data Bus 6
I/O
0.8
175 D7
Data Bus 7
I/O
1.1
176 D8
Data Bus 8
I/O
1.0
177 VCC3
+3.3V Power Supply
-
3.3
178 D9
Data Bus 9
I/O
0.6
179 D10
Data Bus 10
I/O
1.3
180 GND
GND
-
0
181 VCC3
+3.3V Power Supply
-
3.3
182 D11
Data Bus 11
I/O
1.1
183 D12
Data Bus 12
I/O
0.7
184 GND
GND
-
0
185 D13
Data Bus 13
I/O
0.7
186 D14
Data Bus 14
I/O
1.2
187 D15
Data Bus 15
I/O
1.0
188 D16
Data Bus 16
I/O
1.2
189 GND
GND
-
0
190 D17
Data Bus 17
I/O
0.8
191 D18
Data Bus 18
I/O
0.8
192 D19
Data Bus 19
I/O
1.0
193 D20
Data Bus 20
I/O
0.9
194 D21
Data Bus 21
I/O
0.6
195 VCC3
+3.3V Power Supply
-
3.3
196 D22
Data Bus 22
I/O
0
197 D23
Data Bus 23
I/O
0
198 GND
GND
-
0
199 D24
Data Bus 24
I/O
0
200 D25
Data Bus 25
I/O
0
201 D26
Data Bus 26
I/O
0
202 D27
Data Bus 27
I/O
1.0
203 VCC3
+3.3V Power Supply
-
3.3
204 D28
Data Bus 28
I/O
0
205 D29
Data Bus 29
I/O
0
206 D30
Data Bus 30
I/O
0
207 D31
Data Bus 31
I/O
0.8
208 DRAMWE0
(NC)
-
-
-
209 VCC3
+3.3V Power Supply
-
3.3
210 DRAMWE1
(NC)
-
-
-
211 DRAMWE2
DRAM Write Enable 2
O
3.3
212 GND
GND
-
0
213 DRANOE0/C
KE
DRAM Output Enable 0
O
3.3
214 DRAMOE1
(NC)
-
-
-
215 DRAMOE2
(NC)
-
-
-
216 GND
GND
-
0
11
MAZDA / CN-VM4270A
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