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Emmc, Emmc signals, Reference schematic – IBASE SMARC Evaluation Kit User Manual

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IBASE Technology Inc.

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