Sanyo NV-E7000 Service Manual page 21

EXPLANATION OF MICROCOMPUTER
IC801 (HD6417706)2/3
Pin
Signal
77
78
79 /WE0
80 /WE1
81 /WE2
82 /WE3
83 RD/WR
84
85
86
87
88
89 /CS4
90 /CS5
91 /CS6
92 /CE2A
93
94 PTD[7]
95 LVcc
96 /RAS
97 PTD[1]
98 /CAS
99 PTD[3]
100 PTD[4]
101 /IOIS16
102 /BACK
103 /BREQ
104 /WAIT
105 /DACK0
106 /DACK1
107 PTE[2]
108 PTE[3]
109 PTF[0]
110 PTF[1]
111 PTF[2]
112 PTF[3]
113 PTF[4]
114 PTG[0]
115
116 PTG[1]
117 LLVcc
118 PTG[2]
119 PTG[3]
120 PTF[5]
121 PTF[6]
122 /ASEMD0
123 LLVcc
124 CAP1
125
126
127 CAP2
128 LLVcc
129
130
I/O
/BS O
NC
/RD O
Read strobe
O D70-D0 select signal
D15-D8 select signal
O
O D23-D16 select signal
O
D31-D24 select signal
O Read/write select signal
GND PWR 0V
/CS0 O
Chip select
LVcc PWR +3.3V
/CS2 O
NC
/CS3 O
Chip select 3
Chip select 4
O
Chip select 5
O
Chip select 6
O
NC
O
GND PWR 0V
Input/output port D
O
PWR +3.3V
Lower32 Mbytes address RAS
O
Input/output port D
O
Lower32 Mbytes address CAS
O
NC
I/O
NC
I/O
I Pull-up
NC
O
I Pull-up
Hardwave wait request
I
DMA acknowledge 0
O
DMA acknowledge 1
O
Input/output port E
I
Input/output port E
I
Input/output port F
I
NC
I
Input/output port F
I
I Pull-up
Input/output port F
O
I Pull-up
GND PWR 0V
I Pull-up
PWR +1.9V
I Pull-up
I Pull-up
NC
I/O
NC
I/O
I Pull-up
PWR +1.9V
PLL1 external capacitance pin
-
GND PWR 0V
GND PWR 0V
- PLL2 external capacitance pin
PWR +1.9V
MD1 I Pull-up
GND PWR 0V
Function
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