Yamaha DVX-S120 Service Manual page 49

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3 7 63 1515 0
IC379 : YSS938 (DIGITAL P.C.B.)
DSP
TE
L 13942296513
FS128/C
SYNC/U
DIRINT
DDIN0
DDIN1
DDIN2
DDIN3
ERR/BS
DBL/V
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/LOCK
.
http://www.xiaoyu163.com
RAMA10 121
RAMA11 122
VSS 123
124
VDD2
SELI8 125
SELI7 126
SELI6 127
SELI5 128
129
RAMA12
RAMA13 130
RAMA14 131
RAMA15 132
RAMA16 133
134
RAMA17
OVFB/END 135
ZEROFLG 136
VSS 137
138
NONPCM
139
DTSDATA
AC3DATA 140
MUTE 141
142
KARAOKE
143
VDD1
144
SURENC
CRC 145
/LOCK 146
DIRINT 147
148
/CS
149
SO
SI 150
151
SCK
152
/IC
153
IPINT
154
SELI4
VSS 155
156
SELI3
157
SELI2
158
TESTXI
159
TESTXO
160
VDD2
C
FS128
U
SYNC
BS
ERR
V
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y
i
http://www.xiaoyu163.com
8
YSS938
Q Q
3 6 7 1 3
MICROPROCESSOR INTERFACE
CONTROL REGISTER
CONTROL SIGNAL
u163
.
DVR-S120/NX-P120
2 9 9 4 2 8
80 RAMD2
79 RAMD1
78 RAMD0
77
VDD2
76 VSS
75 OPORT7
74 OPORT6
73 OPORT5
72
OPORT4
71 OPORT3
70 OPORT2
69 OPORT1
68 OPORT0
67
ZEROBF2L
66 ZEROBF2R
65 ZEROBF3L
64 ZEROBF3R
63
VDD1
62
SDOB0
61 SDOB1
60 SDOB2
59
SDOB3
58
VSS
57
SDBCKI1
56 SDWCKI1
55 DBL/V
54
FS128/C
53
SYNC/U
52
ERR/BS
51 DIRMCK
50 DIRBCK
49
DIRWCK
48
DIRSDO
47
IPORT14
46
IPORT13
45
IPORT12
44
VDD2
43
VSS
42
SDIB0
41 SDIB1
1 5 0 5 8 2 9 9 4
SELA SELB
COEFFICIENT
PROGRAM
MPLOAD
RAM
SDIBCKSEL
SDOBCKSEL
m
EXTERNAL
RAM
INTERFACE OVFSEL
co
9 9
2 8 9 9
SELOB
SELOA
SDBCKI1
SDWCKI1
SDOB0
SDOB1
SDOB2
SDOB3
49