DIGITAL-LOGIC AG

SMA200 Manual V1.0

5.4.9.SD / SDIO Interface

 

 

 

 

On Module

Ext. Ter-

Max.

 

Matched

Signal

BUS

Type

Description

Termination

mination

Length

Ohm

Length

 

 

 

 

 

Needed

in mm

 

in mm

SD0_CD#

CMOS

3.3V

 

 

Out

SD0_CLK

CMOS

3.3V

 

 

Out

 

 

 

SD0_CMD#

CMOS

3.3V

 

 

I/O

SD_Data [3..0]

CMOS

3.3V

SD0_LED

CMOS

3.3V

 

 

Out

SD0_PWR#

CMOS

Out

SD0_WP

CMOS In

Connect

to

an

SDIO

PU 10k to

device or card.

 

3.3V

Connects to the pin of

Series 47

the SD/SDIO device or

Ohm

card.

 

 

 

 

Connects to the pin of

PU 10k to

the SD/SDIO device or

3.3V

card.

 

 

 

Series 47

Connects to the pin of

 

the SD/SDIO device or

 

card.

 

 

 

 

Optional.

 

 

 

 

Connect

to

the

power

 

pin on

the

SD/SDIO

 

device or

card,

voltage

 

translation

might be

 

required.

 

 

 

 

Connects to the pin of

PU 10k

the SD/SDIO device or

to 3.3V

card.

 

 

 

 

-

Series 49 Ohm

Series 49 Ohm

10055

10055

10055

10055

-

If the signals are not used:

Remarks:

EMV/EMI filters:

Are not needed.

33

Page 33
Image 33
Compaq SMA200 user manual SD / Sdio Interface, If the signals are not used Remarks EMV/EMI filters