MD4S
14
PIN
NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
I/O
O
I/O
I
I
O
I
O
O
O
O
O
O
O
O
O
O
O
O
I
I
I
O
O
O
O
O
O
O
I+/O
I+/O
I+/O
I+/O
I+/O
I+/O
I+/O
I+/O
I+/O
I+/O
I+/O
I+/O
I+/O
I+/O
I+/O
I+/O
O
O
I
I
I
I
O
I
I
I
O
I+/O
I+/O
I+/O
I+/O
I+/O
I+/O
I+/O
I+/O
I+/O
I+/O
I+/O
I+/O
I
I
I
I
I
I
I
I
I
I
VSS
LWRT
DDATA
DC2PO
ADSY
REC
(VSS)
MTYP
A0
A1
A2
VDD
A3
A4
A5
A6
A7
A8
A9
A10
A11
VSS
VDD
DBCK
DLRCK
MCKI
MCKO
DMCKO
XRAS
XUCAS
XLCAS
XWE
XOE
(VSS)
D0
D1
D2
D3
D4
D5
VSS
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
VDD
GND
XCSRA
SFCLK
XSAS
XSWRH
XSWRL
XSRD
XINT
XLAT
XRST
XTCL
VCC
XBUSY
SD15
SD14
SD13
SD12
SD11
SD10
SA6
SA5
SA4
SA3
SA2
SA1
SA0
SA16
SA17
SA18
VCC
NAME
Ground
Laser power control
REC/PLAY data
C2 Error flag input
ADIP sync input
REC/PLAY select signal
Ground
DRAM type select
DRAM Address A0
DRAM Address A1
DRAM Address A2
Power supply
DRAM Address A3
DRAM Address A4
DRAM Address A5
DRAM Address A6
DRAM Address A7
DRAM Address A8
DRAM Address A9
DRAM Address A10
DRAM Address A11
Ground
Power supply
DDATA I/O Bit clock
LRCK for DIF
Clock input for DIF
Clock output for DIF
Master clock output
DRAM RAS signal
DRAM CAS signal (HIGH_BYTE)
DRAM CAS signal (LOW BYTE)
DRAM write signal
DRAM read signal
Ground
DRAM data Bit 0
DRAM data Bit 1
DRAM data Bit 2
DRAM data Bit 3
DRAM data Bit 4
DRAM data Bit 5
Ground
DRAM data Bit 6
DRAM data Bit 7
DRAM data Bit 8
DRAM data Bit 9
DRAM data Bit 10
DRAM data Bit 11
DRAM data Bit 12
DRAM data Bit 13
DRAM data Bit 14
DRAM data Bit 15
Power supply
Ground
Chip select signal (for SRAM)
Sound frame synchronized clock
CPU address strove signal
CPU write signal (HIGH BYTE)
CPU write signal (LOW BYTE)
CPU read signal
Interrupt flag output
ATRAC command data latch pulse signal signal
Reset signal
Reset signal for test
Power supply
CPU wait signal output
CPU data Bit 15
CPU data Bit 14
CPU data Bit 13
CPU data Bit 12
CPU data Bit 11
CPU data Bit 10
CPU data Bit 9
CPU data Bit 8
CPU data Bit 7
CPU data Bit 6
CPU data Bit 5
CPU data Bit 4
Ground
Power supply
Clock input for MIDI
Clock output for MIDI
CPU data Bit 3
CPU data Bit 2
CPU data Bit 1
CPU data Bit 0
CPU address A13
CPU address A12
CPU address A11
CPU address A10
CPU address A9
CPU address A8
CPU address A7
Ground
CPU address A6
CPU address A5
CPU address A4
CPU address A3
CPU address A2
CPU address A1
CPU address A0
CPU address A16
CPU address A17
CPU address A18
Power supply
FUNCTION
PIN
NO.
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
I/O
I
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
I
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
O
I
I
O
O
O
O
I
I
O
O
I
I
O
O
O
I
I
O
O
O
O
O
O
O
I
O
I
O
I
I
I
I
I
O
O
O
O
O
I
O
I
O
O
O
O
O
O
I/O
I/O
VSS
SA19
EXTIOAO
EXTIOA1
EXTIOA2
EXTIOA3
(VDD)
EXTIOA4
EXTIOA5
EXTIOA6
EXTIOA7
VSS
XCS1
XCS2
XCS3
MTCIN
EXTIOB0
EXTIOB1
EXTIOB2
EXTIOB3
(VSS)
EXTIOB4
EXTIOB5
EXTIOB6
EXTIOB7
VDD
VSS
ACLK
XLATPB
XABSPB
ADTOB
AC2B
XARQPB
DECB
XLATPA
XABSPA
ADTOA
AC2A
XARQPA
DECA
VDD
XLATRB
XABSRB
ADTIB
XARQRB
ENCB
XLATRA
XABSRA
ADTIA
XARQRA
ENCA
VDD
GND
A1024FS
A256FS
XABCK
ABCK
ALRCK
(GND)
DAB
ADB
DAA
ADA
VCC
MTCOUT
TOSEL 4
TOSEL 3
TOSEL 2
TOSEL 1
TOSEL 0
TEST 7
TEST 6
TEST 5
TEST 4
TEST 3
VRCKI
VRCKO
GND
VCC
VCOI
VCOO
TEST 2
TEST 1
TEST 0
PDOUTN
PDOUTP
EXTIOCO
EXTIOC1
EXTIOC2
EXTIOC3
EXTIOC4
EXTIOC5
GND
EXTIOC6
EXTIOC7
EXTIOD0
EXTIOD1
EXTIOD2
EXTIOD3
EXTIOD4
EXTIOD5
EXTIOD6
EXTIOD7
VCC
NAME
Ground
CPU address A19
Extension port A of bit 0
Extension port A of bit 1
Extension port A of bit 2
Extension port A of bit 3
Power supply
Extension port A of bit 4
Extension port A of bit 5
Extension port A of bit 6
Extension port A of bit 7
Ground
Spare 1 of chip select
Spare 2 of chip select
Spare 3 of chip select
MIDI time code input
Extension port B of bit 0
Extension port B of bit 1
Extension port B of bit 2
Extension port B of bit 3
Ground
Extension port B of bit 4
Extension port B of bit 5
Extension port B of bit 6
Extension port B of bit 7
Power supply
Ground
Clock for ATRAC data transfer transmission
Command data latch pulse for ATRAC (PB)
Busy flag for ATRAC (PB)
ATRAC decode data output (PB)
C2 error flag for ATRAC (PB)
Data demand signal from ATRAC (PB)
ATRAC decode data input (PB)
Command data latch pulse for ATRAC (PA)
Busy flag for ATRAC (PA)
ATRAC decode data output (PA)
C2 error flag for ATRAC (PA)
Data demand signal from ATRAC (PA)
ATRAC decode data input (PA)
Power supply
Command data latch pulse for ATRAC (RB)
Busy flag for ATRAC (RB)
ATRAC encode data input (RB)
Data demand signal from ATRAC (RB)
Signal output for ATRAC encode(RB)
Command data latch pulse for ATRAC (RA)
Busy flag for ATRAC (RA)
ATRAC encode data input (RA)
Data demand signal from ATRAC (RA)
Signal output for ATRAC encode(RA)
Power supply
Ground
Quartz Crystal output (1024Fs)
Quartz Crystal output (256Fs)
Quartz Crystal output (64Fs)
Quartz Crystal output (64Fs reverse)
Sampling frequency output for audio
Ground
DA signal output (CH3,4)
AD signal input (CH3,4)
DA signal output (CH1,2)
AD signal input (CH1,2)
Power supply
MIDI time code output (reverse)
Test mode select input 4
Test mode select input 3
Test mode select input 2
Test mode select input 1
Test mode select input 0
Test signal output 7
Test signal output 6
Test signal output 5
Test signal output 4
Test signal output 3
Counter clock input
Counter clock output
Ground
Power supply
Clock input for PLL
Clock output for PLL
Test signal output 2
Test signal output 1
Test signal output 0
Phase comparison output
Phase comparison output
Expansion port C of bit 0
Expansion port C of bit 1
Expansion port C of bit 2
Expansion port C of bit 3
Expansion port C of bit 4
Expansion port C of bit 5
Ground
Expansion port C of bit 6
Expansion port C of bit 7
Expansion port D of bit 0
Expansion port D of bit 1
Expansion port D of bit 2
Expansion port D of bit 3
Expansion port D of bit 4
Expansion port D of bit 5
Expansion port D of bit 6
Expansion port D of bit 7
Power supply
FUNCTION
MD4MC2 (XU849A00) GATE ARRAY MAIN IC101
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
