Yamaha RX-Z9 Service Manual page 99

IC56 : M30805SGP (VIDEO TOP P.C.B.)
16 bit µ-COM (Main CPU)
No. Pin function
104 P15/D13/INT3
105 P14/D12
106 P13/D11
107 P12/D10
108 P11/D9
109 P10/D8
110 P07/D7
111 P06/D6
112 P05/D5
113 P04/D4
114 P114
115 P113
116 P112
117 P111
118 P110
119 P03/D3
120 P02/D2
121 P01/D1
122 P00/D0
123 P157
124 P156
125 P155
126 P154
127 P153
128 P152
129 P151
130 Vss
131 P150
132 Vcc
133 P107/AN7/KI3
134 P106/AN6/KI2
135 P105/AN5/KI1
136 P104/AN4/KI0
137 P103/AN3
138 P102/AN2
139 P101/AN1
140 Avss
141 P100/AN0
142 Vref
143 Avcc
144 P97/Adtrg/RxD4/SCL4/STxD4
Function Name Detail of function
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
P114 PRI
P113 PRY1
P112 SPE
P111 SPB
P110 SPA
D3
D2
D1
D0
P157 VRB
P156 VRA
P155 ISB
P154 ISA
P153 MSLB
P152 MSLA
P151 HCC
Vss Vss
P150 HCB
Vcc Vcc
P107 HCA
P106 PRV2
AN5 PREMT
AN4 THM1
AN3 THM0
AN2 PRD1
AN1 PRD0
Avss Avss
AN0 PRV1
Vref Vref
Avcc Avcc
RxD4 RXDR
RX-Z9/DSP-Z9
ON OFF BU
KEEP
KEEP
KEEP
KEEP
KEEP
KEEP
KEEP
KEEP
KEEP
KEEP
I I I
O OL OL
O OL OL
O OL OL
O OL OL
KEEP
KEEP
KEEP
KEEP
I I OL
I I OL
I I OL
I I OL
I I OL
I I OL
O OL OL
O OL OL
O OL OL
I I I
I I I
I I I
I I I
I I I
I I I
Vss Vss Vss
I I I
Vcc Vcc Vcc
Vcc Vcc Vcc
I I OL
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