Sony STR-DH520 Service Manual ▷ View online
STR-DH520
49
DIGITAL BOARD (1/4) IC2801 ADSST-AVR-3010 (DSP)
Pin No.
Pin Name
I/O
Description
1
SDDQM
O
DQM data mask
2
/MS0
O
Memory select line 0
3
SDCKE
O
SDRAM clock enable
4
V
DD_INT
-
Power supply pin (+1.2 V)
5
CLK_CFG1
I
Clock frequency setting signal input 1 (Fixed at H)
6
ADDR0
I/O
External address
7
BOOT_CFG0
I
Boot mode setting signal input 0 for DASP IC (Fixed at H)
8
V
DD_EX
-
Power supply pin (+3.3 V)
9
ADDR1
I/O
External address
10
ADDR2
I/O
External address
11
ADDR3
I/O
External address
12
ADDR4
I/O
External address
13
ADDR5
I/O
External address
14
BOOT_CFG1
I
Boot mode setting signal input 1 for DASP IC (Fixed at H)
15
GND
-
Ground
16
ADDR6
I/O
External address
17
ADDR7
I/O
External address
18
NC
-
Not Used
19
NC
-
Not Used
20
ADDR8
I/O
External address
21
ADDR9
I/O
External address
22
CLK_CFG0
I
Clock frequency setting signal input 0 (Fixed at L)
23
V
DD_INT
-
Power supply pin (+1.2 V)
24
CLKIN
I
System clock input (25 MHz)
25
XTAL
O
System clock output (25 MHz)
26
ADDR10
I/O
External address
27
SDA10
O
SDRAM A 10 pin
28
V
DD_EXT
-
Power supply pin (+3.3 V)
29
V
DD_INT
-
Power supply pin (+1.2 V)
30
ADDR11
I/O
External address
31
ADDR12
I/O
External address
32
ADDR17
I/O
External address
33
ADDR13
I/O
External address
34
V
DD_INT
-
Power supply pin (+1.2 V)
35
ADDR18
I/O
External address
36
/RESETOUT//RUNRSTIN
I/O
Reset out/Running reset in
37
V
DD_INT
-
Power supply pin (+1.2 V)
38
DPI_P01
I/O
Digital peripheral interface
39
DPI_P02
I/O
Digital peripheral interface
40
DPI_P03
I/O
Digital peripheral interface
41
V
DD_INT
-
Power supply pin (+1.2 V)
42
DPI_P05
I/O
Digital peripheral interface
43
DPI_P04
I/O
Digital peripheral interface
44
DPI_P06
I/O
Digital peripheral interface
45
V
DD_EXT
-
Power supply pin (+3.3 V)
46
DPI_P08
I/O
Digital peripheral interface
47
DPI_P07
I/O
Digital peripheral interface
48
V
DD_INT
-
Power supply pin (+1.2 V)
49
DPI_P09
I/O
Digital peripheral interface
50
DPI_P10
I/O
Digital peripheral interface
51
DPI_P11
I/O
Digital peripheral interface
52
DPI_P12
I/O
Digital peripheral interface
53
DPI_P13
I/O
Digital peripheral interface
54
DPI_P14
I/O
Digital peripheral interface
55
DAI_P03
I/O
Digital applications interface
STR-DH520
50
Pin No.
Pin Name
I/O
Description
56
NC
-
Not Used
57
V
DD_EXT
-
Power supply pin (+3.3 V)
58
NC
-
Not Used
59
NC
-
Not Used
60
NC
-
Not Used
61
NC
-
Not Used
62
V
DD_INT
-
Power supply pin (+1.2 V)
63
NC
-
Not Used
64
NC
-
Not Used
65
V
DD_INT
-
Power supply pin (+1.2 V)
66
NC
-
Not Used
67
NC
-
Not Used
68
V
DD_INT
-
Power supply pin (+1.2 V)
69
NC
-
Not Used
70
/WDTRSTO
O
Watch dog timer reset out
71
NC
-
Not Used
72
V
DD_EXT
-
Power supply pin (+3.3 V)
73
DAI_P07
O
PCM audio signal output
74
DAI_P13
I
PCM audio signal input
75
DAI_P19
I
Bit clock (2.8224 MHz) signal input from PCM audio signal input
76
DAI_P01
I/O
Digital applications interface
77
DAI_P02
I/O
Digital applications interface
78
V
DD_INT
-
Power supply pin (+1.2 V)
79
NC
-
Not Used
80
NC
-
Not Used
81
NC
-
Not Used
82
NC
-
Not Used
83
NC
-
Not Used
84
V
DD_EXT
-
Power supply pin (+3.3 V)
85
V
DD_INT
-
Power supply pin (+1.2 V)
86
DAI_P06
O
PCM audio signal output
87
DAI_P05
-
Not Used (Open)
88
DAI_P09
I/O
Digital applications interface
89
DAI_P10
-
Not Used (Open)
90
V
DD_INT
-
Power supply pin (+1.2 V)
91
V
DD_EXT
-
Power supply pin (+3.3 V)
92
DAI_P20
I
Master clock signal input
93
V
DD_INT
-
Power supply pin (+1.2 V)
94
DAI_P08
I/O
Digital applications interface
95
DAI_P14
I
PCM audio signal input
96
DAI_P04
-
Not Used (Open)
97
DAI_P18
I
L/R sampling clock (44.1 kHz) signal input from PCM audio signal input
98
DAI_P17
O
Bit clock (2.8224 MHz) signal output for PCM audio signal output
99
DAI_P16
O
L/R sampling clock (44.1 kHz) signal output for PCM audio signal output
100
DAI_P12
I
PCM audio signal input from the A/D converter
101
DAI_P15
I
PCM audio signal input
102
V
DD_INT
-
Power supply pin (+1.2 V)
103
DAI_P11
I
PCM audio signal (digital input) input
104
V
DD_EXT
-
Power supply pin (+3.3 V)
105
V
DD_INT
-
Power supply pin (+1.2 V)
106
BOOT_CFG2
I
Boot confi guration select
107
V
DD_INT
-
Power supply pin (+1.2 V)
108
AMI_ACK
I
Memory acknowledge
109
GND
-
Ground
110
THD_M
O
Thermal diode cathode
111
THD_P
I
Thermal diode anode
STR-DH520
51
Pin No.
Pin Name
I/O
Description
112
V
DD_THD
-
Thermal diode power supply
113
V
DD_INT
-
Power supply pin (+1.2 V)
114
V
DD_INT
-
Power supply pin (+1.2 V)
115
/MS1
O
Memory select line 1
116
V
DD_INT
-
Power supply pin (+1.2 V)
117
WDT_CLKO
O
Watch dog resonator pad output
118
WDT_CLKIN
I
Watch dog timer clock input
119
V
DD_EXT
-
Power supply pin (+3.3 V)
120
ADDR23
I/O
External address
121
ADDR22
I/O
External address
122
ADDR21
I/O
External address
123
V
DD_IN
-
Power supply pin (+1.2 V)
124
ADDR20
I/O
External address
125
ADDR19
I/O
External address
126
V
DD_EXT
-
Power supply pin (+3.3 V)
127
ADDR16
I/O
External address
128
ADDR15
I/O
External address
129
V
DD_INT
-
Power supply pin (+1.2 V)
130
ADDR14
I/O
External address
131
/AMI_WR
O
AMI port write enable
132
/AMI_RD
O
AMI port read enable
133
V
DD_INT
-
Power supply pin (+1.2 V)
134
FLAG0
O
Interruption request signal output for SYSTEM CONTROL IC
135
FLAG1
O
PLL lock error signal output and data error fl ag signal output for SYSTEM CONTROL IC
136
FLAG2
I
Digital input signal select control signal input
137
NC
-
Not Used
138
FLAG3
-
Not Used (Open)
139
NC
-
Not Used
140
NC
-
Not Used
141
V
DD_EX
-
Power supply pin (+3.3 V)
142
NC
-
Not Used
143
V
DD_INT
-
Power supply pin (+1.2 V)
144
/TRST
-
Not Used (Fixed at L)
145
NC
-
Not Used
146
/EMU
O
Emulation status
147
DATA0
I/O
External data
148
DATA1
I/O
External data
149
DATA2
I/O
External data
150
DATA3
I/O
External data
151
TDO
-
Not Used (Open)
152
DATA4
I/O
External data
153
V
DD_EXT
-
Power supply pin (+3.3 V)
154
DATA5
I/O
External data
155
DATA6
I/O
External data
156
V
DD_INT
-
Power supply pin (+1.2 V)
157
DATA7
I/O
External data
158
TDI
-
Not Used (Fixed at L)
159
SDCLK
O
SDRAM clock output
160
V
DD_EXT
-
Power supply pin (+3.3 V)
161
DATA8
I/O
External data
162
DATA9
I/O
External data
163
DATA10
I/O
External data
164
TCK
-
Not Used (Fixed at L)
165
DATA11
I/O
External data
166
DATA12
I/O
External data
167
DATA14
I/O
External data
STR-DH520
52
Pin No.
Pin Name
I/O
Description
168
DATA13
I/O
External data
169
V
DD_INT
-
Power supply pin (+1.2 V)
170
DATA15
I/O
External data
171
/SDWE
O
SDRAM write enable
172
/SDRAS
O
SDRAM row address strobe
173
/RESET
I
System reset signal input from SYSTEM CONTROL IC
174
TMS
-
Not Used (Fixed at L)
175
/SDCAS
O
SDRAM column address select
176
V
DD_INT
-
Power supply pin (+1.2 V)
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