Yamaha MDX-596 - MD Unit Block Diagram

MDX-596
MDX-596
34
No. Port I/O Name
40 P56/ALE I/O
41 P55//HOLD I FLASH_GND
42 P54//HLDA O POWERDOWN
43 P53/BCLK I/O
44 P52//RD I/O
45 P51//WRH,/BHE I/O
46 P50//WRL,/WR I FLASH_VCC
47 P47//CS3 I/O
48 P46//CS2 I/O
49 P45//CS1 I INT
50 P44//CS0 I MD-LOAD
51 P43/A19 I/O
52 P42/A18 I/O
53 P41/A17 I/O
54 P40/A16 I/O
55 P37/A15 I/O
56 P36/A14 I/O
57 P35/A13 I/O
58 P34/A12 I/O
59 P33/A11 I/O
60 P32/A10 I/O
61 P31/A9 I/O
62 Vcc I VCC
63 P30/A8 I/O
64 Vss I GND
65 P27/A7 I/O
66 P26/A6 I/O
67 P25/A5 I/O
68 P24/A4 I/O
69 P23/A3 I/O
70 P22/A2 I/O
71 P21/A1 I/O
72 P20/A0 I/O
73 P17/D15 I/O
74 P16/D14 I/O
75 P15/D13 I/O
76 P14/D12 I/O
77 P13/D11 I/O
78 P12/D10 I/O
79 P11/D9 I/O
80 P10/D8 I/O
81 P07/D7 I/O
82 P06/D6 I/O
83 P05/D5 I/O
84 P04/D4 I TREC
85 P03/D3 I TPLY
86 P02/D2 I/O
87 P01/D1 I JOG2
88 P00/D0 I JOG1
89 P107/AN7 I/O
90 P106/AN6 I/O
91 P105/AN5 I/O
92 P104/AN4 I/O
93 P103/AN3 I/O
94 P102/AN2 I KEY3
95 P101/AN1 I KEY2
96 AVss I GND
97 P100/AN0 I KEY1
98 Vref I VREF
99 AVcc I VCC
100 P97//ADTRG I/O
IC6 : M30622M8-xxxFP
Main System Microprocessor
Function
Unused (Pull-down at 10 kΩ)
Used at MD unit power failure
Unused (Pull-down at 10 kΩ)
Unused (Pull-down at 10 kΩ)
Unused (Pull-down at 10 kΩ)
PU at 10kΩ
Unused (pull up)
Unused (pull up)
Destination input
L-H: DISC IN
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)
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)
Unused (Pull-down at 10 kΩ)
Microprocessor power supply input
Unused (Pull-down at 10 kΩ)
GND level input
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)
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)
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)
Unused ((Pull-down at 10 kΩ)
Unused (Pull-down at 10 kΩ)
Unused (Pull-down at 10 kΩ)
Unused (Pull-down at 10 kΩ)
Timer SW input
Timer SW input
Unused (Pull-down at 10 kΩ)
JOG input 2
JOG input 1
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)
KEY input 3
KEY input 2
GND level input for AD
KEY input 1
Reference voltage input for AD
Power supply terminal for AD
Unused (Pull-down at 10 kΩ)
● KEY INPUT (A-D)
Voltage
KEY 1
KEY 2
KEY 3
0—0.5V
REW
NO KEY
NO KEY
0.5—1.0V
FF
TITLE
RANDOM
3.0—3.5V
NO KEY
EJECT
NO KEY
1.5—2.0V
REC
DELETE
REPEAT A-B
2.0—2.5V
STOP
EDIT
DISPLAY
2.5—3.0V
PLAY
ENTER
SCROLL
1.0—1.5V
SELECTER
CHARA
REPEAT S/F