Yamaha DVX-S150 Service Manual page 54

DVR-S150/NX-P150
QQ
3 7 63 1515 0
IC7 : YSS930-SZ (DIGITAL P.C.B.)
DSP
TE
L 13942296513
SDBCK
SDWCK
SDI0
SDI1
SDI2
SDI3
SDI4
SDI5
SDI6
SDI7
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.
54
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VSS
76
RAMA11 77
RAMA12 78
RAMA13 79
RAMA14
80
RAMA15
81
RAMA16 82
RAMA17 83
VDD1 84
/CS
85
SO
86
SI 87
SCK 88
/IC 89
SDWCK
90
SDBCK
91
SDI7 92
SDI6 93
SDI5
94
SDI4
95
SDI3
96
SDI2 97
SDI1 98
SDI0
99
VDD2
100
MICROPROCESSOR
INTERFACE
PROGRAM
RAM
50 bit * 1024 word
CONTROL REGISTER
CONTROL
SIGNALS
DSP INTERNAL
OPERATING CLOCK
CK (30.72~40.96MHz)
EXTERNAL RAM
INTERFACE
PLL
x ao
y
i
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8
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
Q Q
3 6 7 1 3
COEFFICIENT ADDRESS
RAM RAM
16 bit * 1024 word 17 bit * 256 word
32 bit DSP Core
u163
.
2 9 9 4 2 8
VDD2
RAMD9
RAMD8
RAMD7
RAMD6
RAMD5
RAMD4
RAMD3
RAMD2
RAMD1
RAMD0
VDD1
IOPORT19
IOPORT18
IOPORT17
IOPORT16
SDO7
SDO6
SDO5
SDO4
SDO3
SDO2
SDO1
SDO0
VSS
1 5 0 5 8 2 9 9 4
SDO0
SDO1
SDO2
SDO3
SDO4
SDO5
SDO6
SDO7
m
co
9 9
2 8 9 9