Ic5 : Yss908-F (P.c.b. Dsp) Ac3Dav; Top View - Yamaha DSP-AX1/RX-V1 Service Manual

DSP-AX1/RX-V1
IC5 : YSS908-F (P.C.B. DSP)
AC3Dav
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
56
SURENC
KARAOKE 55
MUTE 54
CRC 53
AC3DATA
52
43
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
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
INTERFACE
ERAMUSE
~
54 53 52 51
50 PVSS
49 SDWCK1
48 SDBCK1
47 SDOB0
SDOB1
46
SDOB2
45
RAMA7
44
RAMA8
43
RAMA9
42
VDD
41
VSS
40
OPORT7
39
OPORT6
38
OPORT5
37
OPORT4
36
OPORT3
35
34 OPORT2
OPORT1
33
OPORT0
32
PVDD
31
27 28 29 30
COEFFICIENT
PROGRAM
RAM
48 SDBCK1
49 SDWCK1
SDOBCKSEL
47 SDOB0
SUB DSP
46 SDOB1
45 SDOB2
DATA
RAM
15 OVFB