Emmc, Emmc signals, Reference schematic – IBASE SMARC Evaluation Kit User Manual
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4.2.9. eMMC
eMMC signals
Pin
Signal Name
I/O
Type
Power Rail
Description
S26
eMMC_DATA0
I/O
CMOS
3.3V
8 bit data path (may be used for 4 and 1 bit wide eMMC
devices as well)
S27
eMMC_DATA1
I/O
CMOS
3.3V
S28
eMMC_DATA2
I/O
CMOS
3.3V
S29
eMMC_DATA3
I/O
CMOS
3.3V
S30
eMMC_DATA4
I/O
CMOS
3.3V
S31
eMMC_DATA5
I/O
CMOS
3.3V
S32
eMMC_DATA6
I/O
CMOS
3.3V
S33
eMMC_DATA7
I/O
CMOS
3.3V
S35
eMMC_CLK
O
CMOS
3.3V
Clock
S36
eMMC_CMD
I/O
CMOS
3.3V
Command line
S37
eMMC_RST#
O
CMOS
3.3V
Reset signal to eMMC device
Reference Schematic
+3.3V_VCC
RS10
Short PAD
+3.3V_eMMC
+3.3V_VCC
R120
10K/4
RS9
Short PAD
U7A
KLM4G1FE3B-B001/X
DAT7
B6
VD
D
F
3
J
10
VD
D
4
P3
VD
D
5
P5
VD
D
1
C6
VSS7
N5
VSS8
P4
VD
D
F
2
F5
VSS2
E7
VSS1
C4
VD
D
I
C2
VSS3
G5
VD
D
F
1
E6
VSS4
H
10
VSS5
K8
VSS6
N2
DAT6
B5
VD
D
3
N4
CMD
M5
VSS9
P6
CLK
M6
DAT0
A3
DAT1
A4
DAT2
A5
DAT3
B2
DAT4
B3
DAT5
B4
RSTN
K5
VD
D
F
4
K9
VD
D
2
M4
R121
10K/4
R122
10K/4
+3.3V_eMMC
R123
10K/4
R124
10K/4
R125
10K/4
R126
10K/4
R127
10K/4
C145
4.7UF/6.3V/4
C147
0.1UF/25V/4
C146
0.1UF/25V/4
C150
0.1UF/25V/4
eMMC_DATA6
eMMC_DATA5
eMMC_DATA3
eMMC_DATA0
eMMC_DATA1
eMMC_DATA2
eMMC_VDDI
eMMC_DATA7
eMMC_DATA4
C144
0.1UF/25V/4
C148
0.1UF/25V/4
R113
10K/4
R114
10K/4
EMMC_3V3
eMMC_RST# 13
eMMC_DATA2
13
eMMC_DATA1
13
eMMC_DATA0
13
eMMC_DATA5
13
eMMC_DATA4
13
eMMC_DATA3
13
eMMC_CLK
13
eMMC_DATA7
13
eMMC_DATA6
13
eMMC_CMD 13
C143
0.1UF/25V/4
+3.3V_eMMC
C149
0.1UF/25V/4
eMMC_DATA6
eMMC_DATA0
eMMC_DATA1
eMMC_DATA2
eMMC_DATA5
eMMC_DATA3
eMMC_DATA7
eMMC_DATA4