Yamaha MDX-E100 Service Manual page 32

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MDX-E100
IC106 : M30622MA-721FP
Main System Microprocessor
No.
Port
35
P63/TxD0
36
P62/RxD0
37
P61/CLK0
38
P60//CTS0,/RTS0
39
P57//RDY,CLKout
40
P56/ALE
41
P55//HOLD
42
P54//HLDA
43
P53/BCLK
44
P52//RD
45
P51//WRH,/BHE
46
P50//WRL,/WR
47
P47//CS3
48
P46//CS2
49
P45//CS1
50
P44//CS0
51
P43/A19
52
P42/A18
53
P41/A17
54
P40/A16
55
P37/A15
56
P36/A14
57
P35/A13
58
P34/A12
59
P33/A11
60
P32/A10
61
P31/A9
62
Vcc
63
P30/A8
64
Vss
65
P27/A7
66
P26/A6
67
P25/A5
68
P24/A4
69
P23/A3
70
P22/A2
71
P21/A1
72
P20/A0
73
P17/D15
74
P16/D14
75
P15/D13
76
P14/D12
77
P13/D11
78
P12/D10
79
P11/D9
80
P10/D8
81
P07/D7
82
P06/D6
83
P05/D5
84
P04/D4
85
P03/D3
86
P02/D2
87
P01/D1
88
P00/D0
89
P107/AN7
90
P106/AN6
91
P105/AN5
92
P104/AN4
93
P103/AN3
94
P102/AN2
95
P101/AN1
96
AVss
97
P100/AN0
98
Vref
99
AVcc
100
P97//ADTRG
31
I/O
Name
O
KDATA
MD key data
I
MDDATA
MD data input
O
DSCK
MD clock output
O
MD-ST
MD start (MD-ON)
O
/MD-RES
MD reset output
I/O
Unused (GND)
I/O
/EPM
Unused (GND)
O
PDOWN
Used at MD unit power failure
I/O
Unused (GND)
I/O
Unused (GND)
I/O
Unused (GND)
I
/CE
Chip enable
I/O
CG/CSG
Unused (pull up)
I/O
Unused (pull up)
I
Ver
Destination input
I
/LOADIN
H-L: DISC IN
I/O
Unused (GND)
I/O
Unused (GND)
I/O
Unused (GND)
I/O
Unused (GND)
I/O
Unused (GND)
I/O
Unused (GND)
I/O
Unused (GND)
I/O
Unused (GND)
I/O
Unused (GND)
I/O
Unused (GND)
I/O
Unused (GND)
I
VCC
Microprocessor power supply input
I/O
Unused (GND)
I
GND
GND level input
I/O
Unused (GND)
I/O
Unused (GND)
I/O
Unused (GND)
I/O
Unused (GND)
I/O
Unused (GND)
I/O
Unused (GND)
I/O
Unused (GND)
I/O
Unused (GND)
I/O
Unused (GND)
I/O
Unused (GND)
I/O
Unused (GND)
I/O
Unused (GND)
I/O
Unused (GND)
I/O
Unused (GND)
I/O
Unused (GND)
I/O
Unused (GND)
I
DIG1
DEQ (/OVF)
I/O
DIG2
Unused (NC)
I/O
DIG3
Unused (NC)
I/O
Unused (GND)
I/O
Unused (GND)
I/O
Unused (GND)
I
JOG2
JOG input 2
I
JOG1
JOG input 1
O
/DEQRES
Rest DEQ
O
/DITRES
Rest DIT
I
ERRD
Data error flag input for DIR
O
/DIRRES
Reset DIR
O
/CRS
Serial rest DEQ
I
KEY3
KEY input 3
I
KEY2
KEY input 2
I
GND
GND level input for AD
I
KEY1
KEY input 1
I
VREF
Reference voltage input for AD
I
ADVCC
Power supply terminal for AD
O
DITMUTE
Mute output to DIT
Function
KEY INPUT (A-D) PULL UP RESISTOR 10k
Standard Permission
KEY 1
KEY 2
value(V)
value(V)
(97pin)
(95pin)
0.00
0.00—0.37
NO KEY
STOP
1.25
1.00—1.51
INPUT
NO KEY
1.76
1.51—2.02 PLAY/PAUSE NO KEY
2.25
2.02—2.49
NO KEY
NO KEY
2.75
2.49—3.00
REC/PAUSE
NO KEY
3.26
3.00—3.53
NO KEY
EJECT
5.00
4.02—5.00
KEY OFF
KEY OFF KEY OFF
KEY 3
(94pin)
POWER
NO KEY
NO KEY
NO KEY
NO KEY
NO KEY

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