5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
RASN
BA0
BA1
MA[0..11]
MD[0..15]
CKE
SDCLKP
MCLKP_0SDCLKP
CKER_0CKE
DDR_MD13
DDR_MD12
DDR_MD11
DDR_MD10
DDR_MD9
DDR_MD8
DQS0H
DQM0H
WEN
CASN
RASN
BA0
BA1
MA10
MA0_0
MA1_0
MA2_0
MA3_0 MA4_0
MA5_0
MA6_0
MA7_0
MA8_0
MA9_0
MA11_0
MCLKP_0
MCLKN_0
DDR_DQM0L
DDR_DQS0L
DDR_MD7
DDR_MD6
DDR_MD5
DDR_MD4
DDR_MD3
DDR_MD2
DDR_MD1
DDR_MD0
CKER_0
DDR_MD15
DDR_MD14
DQM0L
SDCLKN
DQS0H
DQS0L
MCLKN_0SDCLKN
CSN
DQM0H
CASN
WEN
MD0
MD1
MD2
MD3
MD4
MD5
MD6
MD7
MD8
MD9
MD10
MD11
MD12
MD13
MD15
MD14
DDR_MD0
DDR_MD1
DDR_MD2
DDR_MD3
DDR_MD6
DDR_MD7
DDR_MD4
DDR_MD5
DDR_MD10
DDR_MD11
DDR_MD8
DDR_MD9
DDR_MD14
DDR_MD15
DDR_MD12
DDR_MD13
DQM0L
DQS0L
DDR_DQM0L
DDR_DQS0L
MA3 MA3_0
MA1_1MA1
MA2_1MA2
MA3_1MA3
MA10 MA10_1
MA9_1MA9
MA8_1MA8
MA0_1MA0
MA7 MA7_1
MA11 MA11_1
MA5 MA5_1
MA4_1MA4
MA6 MA6_1
MA1_0MA1
MA0 MA0_0
MA10 MA10_0
MA2_0MA2
MA4_0MA4
MA5_0MA5
MA7_0MA7
MA6 MA6_0
MA9_0MA9
MA8_0MA8
MA11 MA11_0
DQM1H
DQM1L
DQS1H
DQS1L
MD20
DDR_MD18
MD21
DDR_MD19
MD22 DDR_MD22
DDR_MD23
DDR_MD20
DDR_MD21
DDR_MD26
DDR_MD27
DDR_MD24
DDR_MD25
MD23
DDR_MD30
DDR_MD31
DDR_MD28
DDR_MD29
MD24
MD25
MD26
MD27
MD28
MD29
MD31
MD30
MD[16..31]
MD16
MD17
MD18
DDR_MD16
MD19
DDR_MD17
DDR_MD29
DDR_MD28
DDR_MD27
DDR_MD26
DDR_MD25
DDR_MD24
DQS1H
DQM1H
WEN
CASN
RASN
BA0
BA1
MA10_1
MA0_1
MA1_1
MA2_1
MA3_1 MA4_1
MA5_1
MA6_1
MA7_1
MA8_1
MA9_1
MA11_1
MCLKP_1
MCLKN_1
DDR_DQM1L
DDR_DQS1L
DDR_MD23
DDR_MD22
DDR_MD21
DDR_MD20
DDR_MD19
DDR_MD18
DDR_MD17
DDR_MD16
CKER_1
CSN
DDR_MD31
DDR_MD30
DQM1L
DQS1L
DDR_DQM1L
DDR_DQS1L
MCLKP_1
MCLKN_1
CKER_1
GNDMGNDM
GNDM
+2V5
+2V5
GNDM
GNDM GNDM
GNDM
+2V5
+2V5
+2V5
+2V5
+2V5
+2V5
+2V5
+2V5
+2V5
+1.25V
+1.25V
GNDMGNDM
+2V5
GNDM
GNDM GNDM
GNDM
+2V5
+2V5
+2V5
+2V5
+2V5
+2V5
+2V5
+2V5
+2V5
+1.25V
+2V5 +1.25V
MA[0..11]<6>
MD[0..15]<6>
BA0<6>
BA1<6>
RASN<6>
SDCLKP<6>
CKE<6>
SDCLKN<6>
DQM0L<6>
DQS0L<6>
DQS0H<6>
DQM0H<6>
CASN<6>
WEN<6>
DQM1H<6>
DQM1L<6>
DQS1L<6>
DQS1H<6>
MD[16..31]<6>
Title
Size Document Number Rev
Date: Sheet of
401C2M
0A
SCHEMATIC, M/B VTV-L32020,SSB32S
COMPAL OPTOELECTRONICS CO., LTD
B
6 15Friday, September 10, 2010
Title
Size Document Number Rev
Date: Sheet of
401C2M
0A
SCHEMATIC, M/B VTV-L32020,SSB32S
COMPAL OPTOELECTRONICS CO., LTD
B
6 15Friday, September 10, 2010
Title
Size Document Number Rev
Date: Sheet of
401C2M
0A
SCHEMATIC, M/B VTV-L32020,SSB32S
COMPAL OPTOELECTRONICS CO., LTD
B
6 15Friday, September 10, 2010
SDRAM Data Bus
SDRAM CONTROLLER
SIGNAL
SOURCE POWER/GND (2.5V)
*Short these ground planes on PCB
These components close to DDR
W9412G6JH-5(128Mb/2Mx16x4B)
All traces must have the same length
DDR data bus & clk
建建建建建建
,
同同建同同
(
可可可可可
).
signal end trace impedance
盡可盡盡盡
50 ohm.
differential impedance = 100 ohm.
These components close to DDR
W9412G6JH-5(128Mb/2Mx16x4B)
All traces must have the same length
R522
47R
R522
47R
C501
1000pF
C501
1000pF
R509 10RR509 10R
C506
0.1uF
C506
0.1uF
C524
82pF
C524
82pF
R504
47R
R504
47R
R512
47R
R512
47R
R502
120R_1%
R502
120R_1%
C513
0.1uF
C513
0.1uF
R506 10RR506 10R
C512
0.1uF
C512
0.1uF
R513
47R
R513
47R
1 8
2
3
4 5
6
7
RP508
47R/0804
RP508
47R/0804
R508
NC/220R
R508
NC/220R
C508
0.1uF
C508
0.1uF
C518
0.1uF
C518
0.1uF
1 8
2
3
4 5
6
7
RP501
47R/0804
RP501
47R/0804
R516
120R_1%
R516
120R_1%
C528
82pF
C528
82pF
C519
0.1uF
C519
0.1uF
VDD
1
DQ0
2
DQ1
4
DQ2
5
DQ3
7
DQ4
8
DQ5
10
DQ6
11
DQ7
13
DQ8
54
DQ9
56
DQ10
57
DQ11
59
DQ12
60
DQ13
62
DQ14
63
DQ15
65
VDD
18
VDDQ
3
VSSQ
6
VDDQ
9
VSSQ
12
VDDQ
15
NC
14
NC
17
LDQS
16
NC
19
LDM
20
WE
21
CAS
22
RAS
23
CS
24
NC
25
BA0
26
BA1
27
AP/A10
28
A0
29
A1
30
A2
31
A3
32
A4
35
A5
36
A6
37
A7
38
A8
39
A9
40
A11
41
VDD
33
VSS
34
NC/A12
42
NC
43
CKE
44
CK
45
CK
46
UDM
47
VSS
48
VREF
49
NC
50
UDQS
51
VSSQ
52
NC
53
VDDQ
55
VDDQ
61
VSSQ
58
VSSQ
64
VSS
66
U501
W9412G6JH-5
U501
W9412G6JH-5
C525
82pF
C525
82pF
R505
47R
R505
47R
1 8
2
3
4 5
6
7
RP502 47R/0804RP502 47R/0804
C527
82pF
C527
82pF
C502
0.1uF
C502
0.1uF
C514
1000pF
C514
1000pF
C505
0.1uF
C505
0.1uF
1 8
2
3
4 5
6
7
RP505 47R/0804RP505 47R/0804
R519
22K
R519
22K
C526
82pF
C526
82pF
C520
0.1uF
C520
0.1uF
C511
0.1uF
C511
0.1uF
C507
0.1uF
C507
0.1uF
C523
82pF
C523
82pF
R511
47R
R511
47R
C515
1uF
C515
1uF
C509
10uF/0805/10V
C509
10uF/0805/10V
1 8
2
3
4 5
6
7
RP503 47R/0804RP503 47R/0804
R503
120R_1%
R503
120R_1%
1 8
2
3
4 5
6
7
RP506 47R/0804RP506 47R/0804
C521
0.1uF
C521
0.1uF
C504
0.1uF
C504
0.1uF
R520
NC/220R
R520
NC/220R
C516
0.1uF
C516
0.1uF
C522
0.1uF
C522
0.1uF
VDD
1
DQ0
2
DQ1
4
DQ2
5
DQ3
7
DQ4
8
DQ5
10
DQ6
11
DQ7
13
DQ8
54
DQ9
56
DQ10
57
DQ11
59
DQ12
60
DQ13
62
DQ14
63
DQ15
65
VDD
18
VDDQ
3
VSSQ
6
VDDQ
9
VSSQ
12
VDDQ
15
NC
14
NC
17
LDQS
16
NC
19
LDM
20
WE
21
CAS
22
RAS
23
CS
24
NC
25
BA0
26
BA1
27
AP/A10
28
A0
29
A1
30
A2
31
A3
32
A4
35
A5
36
A6
37
A7
38
A8
39
A9
40
A11
41
VDD
33
VSS
34
NC/A12
42
NC
43
CKE
44
CK
45
CK
46
UDM
47
VSS
48
VREF
49
NC
50
UDQS
51
VSSQ
52
NC
53
VDDQ
55
VDDQ
61
VSSQ
58
VSSQ
64
VSS
66
U502
W9412G6JH-5
U502
W9412G6JH-5
R507 10RR507 10R
1 8
2
3
4 5
6
7
RP507 47R/0804RP507 47R/0804
1 8
2
3
4 5
6
7
RP504
47R/0804
RP504
47R/0804
R510
47R
R510
47R
R521
47R
R521
47R
C503
0.1uF
C503
0.1uF
R518
120R_1%
R518
120R_1%
C517
10uF/0805/10V
C517
10uF/0805/10V
C510
1uF
C510
1uF
R501
22K
R501
22K
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