Sanyo NV-E7500 - Navigation System With DVD Player Service Manual page 20
Portable dvd navigation system
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EXPLANATION OF MICROCOMPUTER
IC 20 (HD6417706) 3/3
Pin
Signal
151
IRQ0
152
IRQ1
153
IRQ2
154
IRQ3
155
IRQ4
156
GND
157
NMI
158
LVcc
159
PTG[4]
160
/DREQ0
161
/DREQ1
162
PTG[5]
163
MD0
164
MD2
165
/RESETP
166
CA
167
MD3
168
MD4
169
MD5
170
GND
171
PTJ[0]
172
PTJ[1]
173
PTJ[2]
174
PTJ[3]
175
LVcc
176
GND
I/O
I
External interrupt request(Q2)
I
External interrupt request(ATAPI)
I
External interrupt request(FM)
I
External interrupt request(BEACON)
I
External interrupt request(GYRO)
GND
I
Pull-up
POWER
+3.3V
I
Pull-up
I
DMA request
I
DMA request
I
Input port G
I
Pull-down
I
Pull-down
I
Power-on reset request
I
Pull-up
I
Pull-down
I
Pull-up
I
Pull-down
GND
I
GND
I
GND
I
GND
I
GND
POWER
+3.3V
GND
Function
_
_
19
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