Onkyo TX-SR804 Service Manual page 99

IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS -5
Q201: CS494003 (DSP)
BLOCK DIAGRAM
Compressed
Digital
Interface
Frame
Shifter
Digital
Audio
Input
DSP AB
Input
Buffer
PLL Clock
RAM
Manager
PIN CONFIGURATION
109
AUDATA1
110
AUDATA0
111
CMPCLK,FSCLKN2
112
HDATA2,GPIO2
113
VSS3
114
VDD3
115
HDATA1,GPIO1
116
HDATA0,GPIO0
117
CMPREQ,FLRCLKN2
118
CMPDAT,FSDATAN2
119
FLRCLKN1
120
WR,DS,GPIO10
121
RD,R/W,GPIO11
122
PLLVSS
123
FILT2
124
FILT1
125
PLLVDD
126
XTALO
127
CLKIN,XTALI
128
CLKSEL
129
CS,GPIO9
130
A0,GPIO13
131
FSDATAN1
132
VDD4
133
VSS4
134
FSCLKN1,STCCLK2
135
_SCS
136
SCDIN
137
VSS5
138
VDD5
139
A1,GPIO12
140
SCDOUT,SCDIO
141
HINBSY,GPIO8
142
SCCLK
143
UHS,_CS_OUT,GPIO17
144
_RESET
Multi-Standard
Audio Decoder
Paraller or Serial
Host Interface
Q201
CS494003
SAI0
Serial
SAI1
Audio
SAI2
Interface
SAI3
DSP C
Programmable
32-Bit DSP
DSP
DSP
ROM
RAM
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
TX-SR804/804E
External Memory
Interface
DAO 0
Digital
Audio
Output DA01
GPIO and I/O
Controller
Paraller or Serial
Host Interface
SD_ADDR10,EXTA10
SD_BA,EXTA19
VDDSD1
VSSSD1
_SD_CS
SD_ADDR4,EXTA4
SD_ADDR5,EXTA5
SD_ADDR6,EXTA6
SD_CLK_EN
SD_ADDR7,EXTA7
SD_ADDR8,EXTA8
SD_CLK_IN
SD_ADDR9,EXTA9
SD_CLK_OUT
VDDSD2
VSSSD2
SD_ADAT8,EXTA11
SD_DATA9,EXTA11
SD_DATA10,EXTA13
SD_DATA11,EXTA14
SD_DATA12,EXTA15
VDDSD3
VSSSD3
SD_DATA13,EXTA16
NC5
SD_DATA14,EXTA17
SD_DATA15,EXTA18
SD_DQM1
SD_DATA7,EXTD7
SD_DATA6,EXTD6
VDDSD4
VSSSD4
SD_DATA5,EXTD5
SD_DQM0
SD_DATA4,EXTD4
SD_DATA3,EXTD3