Service Manual

No. 1/0
..
Pin Name
Functior,.
43
1!0
MDI
Sound memo!)' data
44
MD2
45
-
YDD
Power supply (5Y)
r
46
MD3
47
MD4
48
1/0
MD5
Sound memo!)' data
49
MD6
50
MD7
51
MD8
52
-
vss GND
53
MD9
54 MDIO
55
1/0
MDII
Sound memo!)' data
56 MD12
57
MD13
58 MD14
59
-
YDD
Power supply (5Y)
60
l/0
MD15
Sound memo!)' data
61
0 DSD
DAC
interface serial data output
62
0 DBCK
DAC
interface BCK
63
0 DLRCK
DAC
interface LRCK
64
0
DSCK
DAC
interface system clock [256fs clock]
65
SCA23
66
SCA22
67
I
SCA21
SCPU
address bus
68
SCA20
69
SCA19
70
-
YSS GND
71
SCA18
72
SCA17
73
SCA16
74
SCA15
75
I
SCA14
SCPU
address bus
76
SCA13
77
SCA12
78
SCAli
79
SCAlD
80
-
YDD Power supply (5Y)
81
SCA9
82
SCAB
83
SCA7
84
SCA6
85
I
SCA5
SCPU
address bus
86
SCA4,
87
SCA3
88
SCA2
89
SCAI
90 -
vss
GND
91
SCFCO
92
I
SCFCI
SCPU
status input
93
SCFC2
94
I
SCWTN
SCPU
write
95
I
SCLDSN
SCPU SCD
[7 -0] strobe
96
I
SCUDSN
SCPU SCD
[15-8] strobe
97
I
SCASN
SCPU
address strobe
98
-
TESTN
LSI test signal (Not connected)
99
- YDD
Power supply (5Y)
100
0
SCDTAKN
SCPU
data acknowledge
101
0
SCAYECN
SCPU
auto vector interrupu specification
102
SCIPLON
103
0
SCIPLlN
SCPU interrupt level specification
104
SCIPL2N
105
1/0
SCDO
SCPU
data bus
-53-