Yamaha RX-V595 Service Manual page 33

IC4 : YSS908-F (AC3Dav)
Digital Dolby Pro Logic Decoder +DSP
VDD
81
SDWCK0
82
SDBCK0
83
SDIA0
84
SDIA1
85
RAMA1
86
RAMA0
87
RAMWEN
88
RAMOEN
89
VSS
90
VDD
91
IPORT7
92
IPORT6
93
IPORT5
94
IPORT4
95
IPORT3
96
IPORT2
97
IPORT1
98
IPORT0
99
VSS
100
CONTROL
SIGNALS
/SDBCK0 57
SDBCK0 83
SDWCK0 82
84
SDIA0
SDIA1 85
SURENC 56
KARAOKE 55
MUTE 54
CRC 53
AC3DATA 52
80 79 78 77 76 75 74 73 72 71 70 69 68
TOP VIEW
1 2 3 4 5 6 7 8 9 10 11 12 13
~ ~
MICROPROCESSOR
INTERFACE
CONTROL
SIGNALS
CONTROL REGISTERS
SDI : SERIAL DATA INPUT
SDO : SERIAL DATA OUTPUT
24x24
MAIN DSP
INPUT
AC-3/PROLOGIC
BUFFER
DECODER
STREAM0~7
OPERATING
CLOCK (25MHz)
DELAY
RAM
PLL
67 66 65 64 63 62 61 60 59 58 57 56 55
14 15 16 17 18 19 20 21 22 23 24 25 26
SDIBCKSEL SDIBCKSEL
L,R
Ls,Rs
C,LFE
EXTERNAL RAM
ERAMUSE
~
RX-V595/R-V905/RX-V595RDS
54 53 52 51
50 PVSS
49 SDWCK1
SDBCK1
48
SDOB0
47
46 SDOB1
45 SDOB2
44 RAMA7
RAMA8
43
42 RAMA9
VDD
41
40 VSS
OPORT7
39
OPORT6
38
OPORT5
37
OPORT4
36
OPORT3
35
OPORT2
34
OPORT1
33
OPORT0
32
PVDD
31
27 28 29 30
COEFFICIENT
PROGRAM
RAM
SDOBCKSEL
24x16
SUB DSP
DATA
INTERFACE
RAM
48 SDBCK1
49 SDWCK1
47 SDOB0
46 SDOB1
45 SDOB2
15 OVFB
32