Yamaha DSP-A595 Service Manual page 32

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3 7 63 1515 0
IC4 : YSS908-F (AC3Dav)
Digital Dolby Pro Logic Decoder +DSP
SDWCK0
SDBCK0
SDIA0
SDIA1
RAMA1
RAMA0
RAMWEN
RAMOEN
IPORT7
IPORT6
IPORT5
IPORT4
IPORT3
IPORT2
IPORT1
IPORT0
TE
L 13942296513
/SDBCK0 57
SDBCK0 83
SDWCK0 82
SDIA0 84
SDIA1 85
SURENC 56
55
KARAOKE
www
MUTE 54
CRC 53
AC3DATA 52
.
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80 79 78 77 76 75 74 73 72
VDD
81
82
83
84
85
86
87
88
89
VSS
90
VDD
91
92
93
94
95
96
97
98
99
VSS
100
1 2 3 4 5 6 7 8 9
~
MICROPROCESSOR
INTERFACE
CONTROL
SIGNALS
CONTROL REGISTERS
SDI : SERIAL DATA INPUT
SDO : SERIAL DATA OUTPUT
MAIN DSP
INPUT
AC-3/PROLOGIC
BUFFER
DECODER
STREAM0~7
OPERATING
CLOCK (25MHz)
x ao
PLL
y
i
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8
71 70 69 68 67 66 65 64 63 62 61 60 59
TOP VIEW
10 11 12 13 14 15 16 17 18 19 20 21 22
Q Q
3 6 7 1 3
~
CONTROL
SIGNALS
SDIBCKSEL
L,R
Ls,Rs
24x24
C,LFE
DELAY
ERAMUSE
u163
RAM
.
2 9 9 4 2 8
58 57 56 55 54 53 52 51
50 PVSS
49 SDWCK1
48 SDBCK1
SDOB0
47
SDOB1
46
SDOB2
45
RAMA7
44
RAMA8
43
42 RAMA9
VDD
41
VSS
40
OPORT7
39
38 OPORT6
OPORT5
37
OPORT4
36
OPORT3
35
OPORT2
34
OPORT1
33
OPORT0
32
PVDD
31
23 24 25 26 27 28 29 30
1 5 0 5 8 2 9 9 4
COEFFICIENT
PROGRAM
RAM
SDIBCKSEL SDOBCKSEL
24x16
SUB DSP
EXTERNAL RAM
DATA
INTERFACE
m
RAM
co
~
DSP-A595
9 9
2 8 9 9
48 SDBCK1
49 SDWCK1
47 SDOB0
46 SDOB1
45 SDOB2
15 OVFB
26