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Yamaha MDX-E300 Service Manual page 54

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MDX-E300
IC6 : M30622M8-xxxFP
IC6 : M30622M8-xxxFP
Main System Microprocessor
Main System Microprocessor
P0
/D
7
7
P0
/D
6
6
P0
/D
5
5
P0
/D
4
4
P0
/D
3
3
P0
/D
2
2
P0
/D
1
1
P0
/D
0
0
P10
/AN
/K1
7
7
3
P10
/AN
/K1
6
6
2
P10
/AN
/K1
5
5
1
P10
/AN
/K1
4
4
0
P10
/AN
3
3
P10
/AN
2
2
P10
/AN
1
1
AV
SS
P10
/AN
0
0
V
REF
AV
CC
P9
/AD
7
TRG
No.
Port
1
P96/ANEX1
2
P95/ANEX0
3
P94/DA1
4
P93/DA0
5
P92/TB2in
6
P91/TB1in
7
P90/TB0in
8
BYTE
9
CNVss
10
P87/Xcin
11
P86/Xcout
12
/RESET
13
Xout
14
Vss
15
Xin
16
Vcc
17
P85//NMI
18
P84//INT2
19
P83//INT1
20
P82//INT0
21
P81/TA4in
22
P80/TA4out
23
P77/TA3in
24
P76/TA3out
25
P75/TA2in
26
P74/TA2out
27
P73/TA1in
28
P72/TA1out
29
P71/TA0in
30
P70/TA0out
31
P67/TxD1
32
P66/RxD1
33
P65/CLK1
34
P64//CTS
35
P63/TxD0
36
P62/RxD0
37
P61/CLK0
38
P60//CTS0,/RTS0
39
P57//RDY,CLKout
54
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
I/O
Name
I/O
I/O
I/O
I/O
O
SEL
O
/MUTE
I
GND
I
GND
I/O
I/O
I
/RESET
O
XOUT
I
GND
I
XIN
I
VCC
I
PU
I
DSTB
I
/PDN
I
REM
I
SYSIN
O
SYSOUT
I/O
I/O
I/O
I/O
I/O
O
SCL
I
SDI
O
SDO
O
FLDAT
O
/FLCE
O
FLCLK
O
/FLRES
O
KDATA
I
MDDATA
O
DSCK
O
MD-ST
O
/MD-RESET
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
Function
Unused (Pull-down at 10 kΩ)
Unused (Pull-down at 10 kΩ)
Unused (Pull-down at 10 kΩ)
Unused (Open)
Digital input switching
LINE MUTE
Unused (Pull-down at 10 kΩ)
(Pull-down at 4.7 kΩ)
Unused (Pull-down at 10 kΩ)
Unused (Pull-down at 10 kΩ)
Reset input
Ceramic clock 10MHz
GND level input
Ceramic clock 10MHz
Microprocessor power supply input
PU to Vcc
MD strobe input
Power failure detect (Power down)
Remote controller input
System control in
System control out
Unused (Pull-down at 10 kΩ)
Unused (Pull-down at 10 kΩ)
Unused (Pull-down at 10 kΩ)
Unused (Pull-down at 10 kΩ)
Unused (Pull-down at 10 kΩ)
Clock to EEPROM
Data input for EEPROM
Data to EEPROM
Data to FL driver
CE FL driver
Clock FL data
Reset FL driver
MD key data
MD data input
MD clock output
MD start (MD-ON)
MD reset output
P4
/CS0
4
P4
/CS1
5
P4
/CS2
6
P4
/CS3
7
P5
/WRL/WR
0
P5
/WRH/BHE
1
P5
/RD
2
P5
/BCLK
3
P5
/HLDA
4
P5
/HOLD
5
P5
/ALE
6
P5
/RDY/CLK
7
OUT
P6
/CTS
/RTS
0
0
0
P6
/CLK
1
0
P6
/RXD
2
0
P6
/TXD
3
0
P6
/CTS
/RTS
/CTS
/CLKS
4
1
1
0
1
P6
/CLK
5
1
P6
/RXD
6
1
P6
/TXD
7
1

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