Yamaha RX-Z9 Service Manual page 97

IC56 : M30805SGP (VIDEO TOP P.C.B.)
16 bit µ-COM (Main CPU)
No. Pin function
1 P96/ANEX1/TxD4/SDA4
2 P95/ANEX0/CLK4
3 P94/DA1/TB4in/CTS4/RTS4/SS4
4 P93/DA0/TB3in/CTS3/RTS3/SS3
5 P92/TB2in/TxD3/SDA3/STxD3
6 P91/TB1in/RxD3/SCL3
7 P90/TB0in/CLK3
8 P146
9 P145
10 P144
11 P143
12 P142
13 P141
14 P140
15 BYTE
16 CNVss
17 P87/Xcin
18 P86/Xcout
19 RESET
20 Xout
21 Vss
22 Xin
23 Vcc
24 P85/NMI
25 P84/INT2
26 P83/INT1
27 P82/INT0
28 P81/TA4in/U
29 P80/TA4out/U
30 P77/TA3in
31 P76/TA3out
32 P75/TA2in/W
33 P74/TA2out/W
34 P73/CTS2/RTS2/TA1in/V
35 P72/CLK2/TA1out/V
36 P71/RXD2/SCL/TA0in/TB5in
37 P70/TXD2/SDA/TA0out
38 P67/TXD1
39 Vcc
40 P66/RXD1
41 Vss
42 P65/CLK1
43 P64/CTS1/RTS1/CTS0/CLKS1
44 P63/TXD0
45 P62/RXD0
46 P61/CLK0
47 P60/CTS0/RTS0
48 P137
Function Name Detail of function
TxD4 TXDR
CLK4 RTS
P94 CTS
DA0 FAN
SDA3/TXD3 PLLT
SCL3/RXD3 PLLC
CLK3 PLLE
P146
P145
P144 PLLR
P143 /Z2MT
P142 /HPMT
P141 P141
P140 CEF2
BYTE BYTE
CNVss CNVss
P87 BT232C
P86 BTYDC
RESET RESET
Xout Xout
Vss Vss
Xin Xin
Vcc Vcc
NMI NMI
INT2 REM1
INT1 REM2
INT0 PDET
TA4in PSW
P80 CEF1
TA3in RXDR
P76 PRY2
P75 RXSEL
P74 /DMCR
P73 TRQMD
CLK2 SCKN
RTNMD
TXD2 SDTN
TXD1 MTX
Vcc Vcc
RXD1 MRX
Vss Vss
CLK1 MVBC
CLKS1 MDBC
TXD0 DTEV
P62 CEEV
CLK0 CKEV
P60 TRQMV
P137 RTNMV
RX-Z9/DSP-Z9
ON OFF BU
O OL OL
I/O OL OL
I I OL
I I OL
SO OL OL
SI I OL
I/O OL OL
O OL OL
O OL OL
I OL OL
O OL OL
O OL OL
O OL OL
O OL OL
Vss Vss Vss
Vcc Vcc Vcc
I I OL
I I OL
I I
I I OL
I I OL
I I I
I I OL
O OL OL
I I OL
O OL OL
O OL OL
I/OL OL OL
I OL OL
SCK OL OL
I OL OL
SDT OL OL
SDT OL OL
RDT OL OL
SCK OL OL
SCK OL OL
SDT OL OL
O OL OL
SCK OL OL
I OL OL
I OL OL
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