120R Bead USE BLM15BB121SN1
* SD_CARD_DETECT IS LOW ACTIVE
H=1.2mm , BGA
SD SOCKET
H=0.8mm
Connection Line must to be equalize in length.
Place Close To U3 DDR2
COMMON
COMMON
SD WP
WITHOUT CARD
COMMONCOMMON
* SD_WP# IS HIGH ACTIVE
* SD_CARD_DETECT IS LOW ACTIVE
SD WP
SD DETSD DET COMMON COMMON
INSERTED CARD(WP LOCK)
SD WP
INSERTED CARD(WP UNLOCK)
SD DET
Place Close To U3 DDR2
Write enable = ON
Write protected = OFF
-->Normal = OFF
(No Card insertion)
No.10: Card Detect SW Insertion Card= ON
-->Normal = OFF
No.11: COMMON (Vss)
SD_CARD_DETECT: H (Without Card)
SD_CARD_DETECT: L (Insert Card)
SD_WP#: L (WP UNLOCK)
SD_WP#: H (WP LOCK)
No. 12: Write Protect
Detect SW
SD_CARD_DETECT SD_WP# CARD WP
L L
L H
H H
For EMI
For EMI CLOSE TO SD SOCKET
C54,C55 CLOSE TO U3
MOST:
CHANGE ER19,ER20,ER21,ER22-> RN?
CHANGE ER25,ER26,ER27,ER28-> RN?
ON TOP SIDE
DEL EC20 DEL EC21
DEL C54
DEL R23
CLOSE TO SD SOCKET
RAM_ADD5
RAM_ADD2
RAM_DATA14
RAM_CK#_1
RAM_DATA12
RAM_ADD12
RAM_DATA3
RAM_DATA7
RAM_DATA0
NAND_R/B#
RAM_ADD10
RAM_DATA10
RAM_DATA4
NAND_CLE
NAND_D2RAM_BA2
NAND_ALE
RAM_ADD7
RAM_DATA2
NAND_OE#
RAM_ADD11
RAM_DATA8
NAND_D3
RAM_DATA6
RAM_BA0
ASIC_RESET#
RAM_ADD6
RAM_DATA1
RAM_ADD1
NAND_WE#
RAM_ADD9
NAND_D1
RAM_ADD8RAM_DATA9
RAM_ADD4
RAM_ADD3
NAND_D0
NAND_D6
NAND_CE#
NAND_D5
NAND_D4
RAM_DATA15 RAM_BA1
NAND_D7
RAM_DATA13
RAM_ADD0
RAM_DATA11
RAM_CK_1
RAM_DATA5
RAM_VREF
RAM_VREF
SD_D22
SD_CLK2
RAM_CK 3
SD_D02
SD_D12
SD_D32
RAM_CK# 3
RAM_ADD133
NAND_CLE2
NAND_OE#2
RAM_DATA[0..15]3
RAM_VREF 3,4
RAM_CS# 3
NAND_R/B#2
RAM_RAS# 3
RAM_LDM 3
RAM_BA1 3
RAM_CAS# 3
RAM_ADD[0..12] 3
SD_WP#2
RAM_UDQS 3
RAM_LDQS 3 NAND_D0 2
NAND_D7-CFG5 2,6
NAND_D2-CFG0 2,6
RAM_CKE 3
SD_CARD_DETECT2
RAM_WE# 3
NAND_D1 2
NAND_D4-CFG2 2,6
NAND_ALE2
NAND_D5-CFG3 2,6
RAM_BA0 3
NAND_CE#2
NAND_D3-CFG1 2,6
RAM_UDM 3
NAND_D6-CFG4 2,6
SD_CS2
NAND_WE#2
ASIC_RESET#3RAM_UDQS# 3
RAM_LDQS# 3
PWR_SD2
1V8
SD_3V3
ASIC_3V3
ASIC_3V3
ASIC_3V3
ASIC_3V3
SD_3V3
1V8
ASIC_3V3
EL9
NC
R30
10KF
C47
0.1uF/16V RN7
10K
1
34
56
78
2
EC4
NC
R20
33K
C42
0.1uF/16V
C48
0.1uF/16V
C45
0.1uF/16V
C52
4.7uF/10V Y5V
C0805
C41
4.7uF/10V Y5V
C0805
C53
0.1uF/16V
ER7 47R
R118
3.3KF
R25 47K
EC7
NC
C55
0.1uF/16V X5R
R119
20KF
TP1
EL4 BLM15BB121SN1
G
D
S
Q1
AM2301
G
DS
C46
0.1uF/16V
R31
10KF
EL6 BLM15BB121SN1
RN8 47R
1
34
56
78
2
ER5
0R
R22
33K
C43
4.7uF/10V Y5V
C0805
EL5 BLM15BB121SN1
EC8
NC
R28
10K R29
10K
EL7 BLM15BB121SN1
EL2 NC
R21
33K
EL3
BLM15BB121SN1
ER8 300R
C44
0.1uF/16V
R24 NC
R26
100K
R124 NC
J1
SCDA7A0700
SD/SCDA7A0201
1
2
3
4
5
6
7
8
14
9
10
11
12
13
15
16
CD/DAT3
CMD
VSS
VDD
SCLK
VSS2
DAT0
DAT1
HOLD1
DAT2
SD SWITCH
COMMON
WP SWITCH
NC
GND
GND
C147
0.1uF/16V X5R
C50
0.01uF/16V
ER9 0R
EL8 BLM15BB121SN1
C51
0.01uF/16V
ER4 0R
R27
10K
EC3
10pF/50V NPO
EC5
NC
U4
HY27US08121A (64M*8bit)
HY27US08281A/TSSOP-48
44
1
43
2
42
3
41
4
40
5
39
6
38
7
37
8
36
9
35
10
34
11
33
12
32
13
31
14
30
15
29
16
28
17
27
18
26
19
25
20
24
21
23
22
45
46
47
48
I/O 7
NC
I/O 6
NC
I/O 5
NC
I/O 4
NC
NC
NC
NC
SE
NC
R/B
VCC
RE
VSS
CE
NC
NC
NC
NC
NC
VCC
I/O 3
VSS
I/O 2
NC
I/O 1
NC
I/O 0
CLE
NC
ALE
NC
WE
NC
WP
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
Q2
UNR32A4G0L
B
E C
EC6
NC
C49
0.01uF/16V
ER6 0R
DDR2
U3
K4T51163QG (32Mx16bit)
M8
M3
M7
N2
N8
N3
N7
P2
P8
P3
M2
P7
K2
L8
K3
G2
H7
H3
H1
H9
F1
F9
C8
G8
C2
D7
D3
D1
D9
B1
B9
J8
L7
K7
F7
B7
R2
N1
J3
H2
F8
F2
E7
M9
J1
G9
G7
G3
E9
R1 P9
L2
L3
K8
B3
F3
J2
H8
G1
E1
J9
A3
J7
E3
A2
E2
L1
R3
R7
R8
K9
E8
A8
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
CKE
CS
WE
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
DQ8
DQ0
DQ9
DQ10
DQ11
DQ12
DQ13
DQ14
DQ15
CK
CAS
RAS
LDQS
UDQS
A12
VSS
VSS
VSSQ
VSSQ
VSSQ
VSSQ
VDD
VDDL
VDDQ
VDDQ
VDDQ
VDDQ
VDD VSS
BA0
BA1
CK
UDM
LDM
VREF
VSSQ
VDDQ
VDD
VDD
VSS
VSSDL
VSS
NC
NC
NC
NC
NC
NC
ODT
LDQS
UDQS