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1
2
+2V5_DDR
U35
1
VDD
DRAM_DATA0
2
DQ0
3
VDDQ
DRAM_DATA1
4
DQ1
D
DRAM_DATA2
5
DQ2
6
VSSQ
DRAM_DATA3
7
DQ3
DRAM_DATA4
8
DQ4
9
VDDQ
DRAM_DATA5
10
DQ5
DRAM_DATA6
11
DQ6
12
VSSQ
DRAM_DATA7
13
DQ7
14
NC
15
VDDQ
DRAM_DQS0
16
LDQS
17
NC
18
VDD
19
NC
DRAM_DQM0
20
LDM
DRAM_WE
21
/WE
DRAM_CAS
22
/CAS
DRAM_RAS
23
/RAS
DRAM_CS
24
/CS
25
NC
DRAM_BA0
26
BA0
DRAM_BA1
27
BA1
DRAM_ADDR10
28
A10(AP)
DRAM_ADDR0
29
A0
DRAM_ADDR1
30
A1
DRAM_ADDR2
31
A2
DRAM_ADDR3
32
A3
C
33
VDD
K4D551638H-LC50
+2V5_DDR
C317
C318
B
A
1
2
3
+2V5_DDR
66
VSS
65
DRAM_DATA15
DQ15
64
VSSQ
63
DRAM_DATA14
C315
DQ14
0.1uF-0603-Y5V-+80%-20%-50V
62
DRAM_DATA13
DQ13
61
VDDQ
60
DRAM_DATA12
DQ12
C316
59
DRAM_DATA11
DQ11
58
VSSQ
57
DRAM_DATA10
0.1uF-0603-Y5V-+80%-20%-50V
DQ10
56
DRAM_DATA9
DQ9
55
VDDQ
54
DRAM_DATA8
DQ8
53
+2V5_DDR
NC
52
VSSQ
51
UDQS
DRAM_DQS1
50
R331R189
NC
49
VREF
48
VSS
47
UDM
DRAM_DQM1
46
/CK
45
CK
44
CKE
DRAM_CKE
43
NC
42
DRAM_ADDR12
R332R234
A12
41
DRAM_ADDR11
A11
40
DRAM_ADDR9
A9
39
DRAM_ADDR8
A8
38
DRAM_ADDR7
A7
37
DRAM_ADDR6
A6
36
DRAM_ADDR5
A5
35
DRAM_ADDR4
A4
34
VSS
C319
C320
C321
C323
3
4
5
DRAM_ADDR3
R333
DRAM_ADDR2
100ohm-0603-±1%-1/10W
DRAM_ADDR1
DRAM_ADDR0
R334
DRAM_ADDR10
100ohm-0603-±1%-1/10W
DRAM_BA1
DRAM_BA0
DRAM_CS
DRAM_RAS
DRAM_CAS
DRAM_WE
DRAM_DQM0
DRAM_DQS0
DRAM_CLKN
DRAM_CLK
DRAM_DATA0
DRAM_DATA1
DRAM_DATA2
DRAM_DATA3
DRAM_DATA4
DRAM_DATA5
DRAM_DATA6
DRAM_DATA7
DRAM_DATA8
DRAM_DATA9
DRAM_DATA10
DRAM_DATA11
DRAM_DATA12
DRAM_DATA13
DRAM_DATA14
DRAM_DATA15
DRAM_DQS1
DRAM_DQM1
DRAM_CLKN
DRAM_CLK
DRAM_CKE
DRAM_ADDR12
DRAM_ADDR11
DRAM_ADDR9
DRAM_ADDR8
DRAM_ADDR7
DRAM_ADDR6
DRAM_ADDR5
DRAM_ADDR4
+2V5_DDR
4
5
6
7
U32B
1
RP29
2
55
SDA3
3
4
56
SDA2
5
6
58
SDA1
7
8
60
SDA0
4*33ohm-0603-±5%-1/16W
1
RP28
2
61
SDA10
3
4
62
SDBA1
5
6
7
8
66
SDBA0
4*33ohm-0603-±5%-1/16W
1
RP30
2
68
168
RST
SDCS
TRST_N
3
4
70
163
SEB
SDRASA
SEBRKAK_N
5
6
71
166
TD1
SDCAS
TD1
7
8
72
SDWE
4*33ohm-0603-±5%-1/16W
75
SDDQ0
77
33ohm-0603-±5%-1/10W
R249
SDDQS0
33ohm-0603-±5%-1/10W
R251
1
RP33
2
79
SDDQ0
3
4
80
SDDQ1
5
6
81
SDDQ2
7
8
85
SDDQ3
169
ASE
ASEMD0
RP31
4*33ohm-0603-±5%-1/16W
167
TMS
TMS
1
2
87
164
TD0
SDDQ4
TD0
3
4
89
165
TCK
SDDQ5
TCK
5
6
90
SDDQ6
7
8
91
SDDQ7
4*33ohm-0603-±5%-1/16W
1
RP34
2
92
SDDQ8
3
4
94
SDDQ9
5
6
96
SDDQ10
7
8
97
131
SDDQ11
GPIO131
138
GPIO138
4*33ohm-0603-±5%-1/16W
136
GPIO136
1
RP32
2
98
135
SDDQ12
GPIO135
3
4
102
134
SDDQ13
GPIO134
5
6
104
SDDQ14
7
8
106
SDDQ15
4*33ohm-0603-±5%-1/16W
199
TEST0
107
SDDS1
R62
108
33ohm-0603-±5%-1/10W
R256
SDDQM1
10Kohm-0603-±5%-1/10W
113
33ohm-0603-±5%-1/10W
R258
SDCLK
1
RP35
2
111
SDCLKN
3
4
115
SDCKE
5
6
7
8
4*33ohm-0603-±5%-1/16W
1
RP37
2
116
SDA12
3
4
119
SDA11
5
6
120
SDA9
7
8
124
SDA8
4*33ohm-0603-±5%-1/16W
1
RP36
2
125
SDA7
3
4
127
SDA6
5
6
129
SDA5
7
8
130
SDA4
4*33ohm-0603-±5%-1/16W
109
SDVREF
R335
C324
100ohm-0603-±1%-1/10W
110
VSS25R
0.1uF-0603-Y5V-+80%-20%-50V
R8A66953FP
C325
R336
100ohm-0603-±1%-1/10W
0.1uF-0603-Y5V-+80%-20%-50V
Title
Size
Number
A3
Date:
27-Feb-2007
File:
E:\
刘杰
\ATSC\UOC3+ATSC\PCB
6
7
8
D
CN5
NT_RST
+3V3_IO
2
1
4
3
6
5
8
7
GND
10
9
2*5PIN-2.0-D-H-M
C
IICSW1
B
A
Revision
Sheet of
原理图
\TD303C
Drawn By:
原理图及
PCB.Ddb
8
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