Figure 17.
eMMC and SD card
HYPERBUS
AB20
AB21
AA22
Y22
AB5
AB4
AB2
AB19
DAT0
DAT1
DAT2
DAT3
eMMC
SD-CARD READER
AB15
CLK
FBCLK
CMD
AB18
AB16
PIN SHARED BETWEEN eMMC & SD- CARD READER
LEGEND
50 OHM SAME LENGHT TRACE
50 OHM TRACE
NORMAL TRACE
AS SHORT AS POSSIBLE TRACE
0R
0R
10K
W22
T22
P22
N22
VCC 3.3
CLOSE TO U17
SAME LENGHT TRACE
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
PN8
PN9
PN10
PN11
P
N
13
P
N
14
P
N
15
P
O
0
CS1
CS1
CS2
CS2
PF9
PP14
PORST
3.3V_SDMMC
PP8
3.3V_SR
PP7
PQ4_S
PQ5_S
PQ6_S
PQ7_S
PQ0_S
PS6_S
PP15_S
3.3V_SR
3.3V_SDMMC
PP9
PQ1
PQ4
PQ5
PQ6
PQ7
PQ4_E
PQ5_E
PQ6_E
PQ7_E
PQ4_S
PQ5_S
PQ6_S
PQ7_S
PS6
PS6_E
PP15
PP15_E
PQ0
PQ0_E
PS6_S
PQ0_S
PP15_S
PQ0_E
PS6_E
PP15_E
PQ4_E
PQ5_E
PQ6_E
PQ7_E
PQ8
PQ9
PQ2
PQ3
PORST
3.3V_SR
3.
3V
_S
R
3.
3V
_S
R
3.3V_SR
PF9_MB
PN12
PN12_MB
R61 DNM
J 33
STRIP3PMD-2MM
1
2
3
J 38
STRIP3PMD-2MM
1
2
3
LN6
R58 DNM
C122
1nF
R64 47R
U20
IS21ES08G-J CLI
NC
A1
NC
A2
DAT0
A3
DAT1
A4
DAT2
A5
V
S
S
A
6
NC
A7
NC
A8
NC
A9
NC
A10
NC
A11
NC
A12
NC
A13
NC
A14
NC
B1
DAT3
B2
DAT4
B3
DAT5
B4
DAT6
B5
DAT7
B6
NC
B7
NC
B8
NC
B9
NC
B10
NC
B11
NC
B12
NC
B13
NC
B14
NC
C1
V
D
D
C
2
NC
C3
V
S
S
C
4
NC
C5
V
C
C
C
6
NC
C7
NC
C8
NC
C9
NC
C10
NC
C11
NC
C12
NC
C13
NC
C14
NC
D1
NC
D2
NC
D3
NC
D4
NC
D12
NC
D13
NC
D14
NC
E1
NC
E2
NC
E3
NC
E5
V
C
C
E
6
V
S
S
E
7
NC
E8
NC
E9
NC
E10
NC
E12
NC
E13
NC
E14
NC
F1
NC
F2
NC
F3
V
C
C
F
5
NC
F10
NC
F12
NC
F13
NC
F14
NC
G1
NC
G2
NC
G3
NC
G10
NC
G12
NC
G13
NC
G14
V
S
S
G
5
NC
H1
NC
H2
NC
H3
NC
H12
NC
H13
NC
H14
DS
H5
V
S
S
H
10
NC
J 1
NC
J 2
NC
J 3
NC
J 12
NC
J 13
NC
J 14
V
S
S
J5
V
C
C
J1
0
NC
K1
NC
K2
NC
K3
RST_n
K5
NC
K6
NC
K7
V
S
S
K
8
V
C
C
K
9
NC
K10
NC
K12
NC
K13
NC
K14
NC
L1
NC
L2
NC
L3
NC
L12
NC
L13
NC
L14
NC
M1
NC
M2
NC
M3
V
C
C
M
4
CMD
M5
CLK
M6
NC
M7
NC
M8
NC
M9
NC
M10
NC
M11
NC
M12
NC
M13
NC
M14
NC
N1
V
S
S
N
2
NC
N3
V
C
C
N
4
V
S
S
N
5
NC
N6
NC
N7
NC
N8
NC
N9
NC
N10
NC
N11
NC
N12
NC
N13
NC
N14
NC
P1
NC
P2
V
C
C
P
3
V
S
S
P
4
V
S
S
P
6
V
C
C
P
5
NC
P7
NC
P8
NC
P9
NC
P10
NC
P11
NC
P12
NC
P13
NC
P14
RH2
DNM
TP4
U21
EMIF06-MSD02N16
DAT2_IN
3
DAT3_IN
4
CMD_IN
5
CLK_IN
6
DAT0_IN
7
DAT1_IN
8
RDAT3_GND
2
EXP_PAD
17
RDATA_VCC
16
VCC
15
DAT2_EX
14
DAT3_EX
13
CMD_EX
12
CLK_EX
11
DAT0_EX
10
DAT1_EX
9
WP_CD
1
U19
STMPS2151MTR
IN1
2
IN2
3
EN
4
FAULT
5
GND
1
OUT1
6
OUT2
7
OUT3
8
C117
100nF
50V
TP5
J 36
STRIP3PMD-2MM
1
2
3
U18
S71KL256SC0BHB000
NC
A1
RSTO#
A2
CS2#
A3
RESET#
A4
INT#
A5
CK#
B1
CK
B2
V
S
S
B
3
V
C
C
B
4
R
F
U
B
5
V
S
S
Q
C
1
C
S
1#
C
2
R
W
D
S
C
3
DQ2
C4
RFU
C5
VCCQ
D1
DQ1
D2
DQ0
D3
DQ3
D4
D
Q
4
D
5
D
Q
7
E
1
D
Q
6
E
2
D
Q
5
E
3
V
C
C
Q
E
4
V
S
S
Q
E
5
R57 47R
R60 1K
R59 0R
R62
DNM
C121
100nF
50V
J 32
STRIP3PMD-2MM
1
2
3
U22
17
75
05
9-
1
DAT2
9
DAT3
1
CMD
2
C/D
10
VSS1
3
VDD
4
CLK
5
VSS2
6
DAT0
7
DAT1
8
W
/P
12
G
N
D
14
G
N
D
13
S
W
11
C120
100nF
50V
J 34
STRIP3PMD-2MM
1
2
3
LN5
RH3
0R
RH4
DNM
J 37
STRIP3PMD-2MM
1
2
3
C118
100nF
50V
C119
100nF
50V
RH1
0R
J 35
STRIP3PMD-2MM
1
2
3
UM2789
-
Rev 1
page 30/36
UM2789
Schematic
