Yamaha DVR-S150 Service Manual page 54

DVR-S150/NX-P150
IC7 : YSS930-SZ (DIGITAL P.C.B.)
DSP
SDBCK
SDWCK
SDI0
SDI1
SDI2
SDI3
SDI4
SDI5
SDI6
SDI7
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54
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
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
COEFFICIENT ADDRESS
RAM RAM
16 bit * 1024 word 17 bit * 256 word
32 bit DSP Core
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
SDO0
SDO1
SDO2
SDO3
SDO4
SDO5
SDO6
SDO7