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O and multimedia card, 11 secure digital i, 1 microsd card connector – Kontron KTLX800-pITX User Manual

Page 28: 2 pin header, Ktlx800/pitx user's guide

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KTD-S0022-C

Page 23

Secure Digital I/O and Multimedia Card

KTLX800/pITX User's Guide

/O and Multimedia Card

nnector (11 pins) or

he signal line /CD (C

11 Secure Digital I

The SDIO/MMC interface comes with two controllers: one microSD card socket (only memory cards avail-
able) and one pin header for using a standard SDIO connector (9 pins), miniSD Card co
a second microSD Card connector (8 pins). Both controllers supports SDIO revision 2.0 (SDHC) and MMC
revision 4.2.
T

ard Detect, active low) of connector J1701 must be connected. The signal line /WP

(Write Protect, active low) is optional (default: write enabled).

11.1 microSD Card Connector

ro

s named J1700 (8 pins).

The mic SD card socket i

Header

Pin

Signal Name

Function

DAT2

1

Data bit 2

2

CD / DAT3

Card detect / Data bit 3

3

CMD

Command line

4

VCC

1)

Power +3.3V

5

CLK

Clock

1

GND

6

Ground

DAT0

7

Data bit 0

DAT1

8

Data bit 1

11.2 Pin Header

The second port is available through the connector J1701 (12 pins).

Header

Pin

Signal Name

Function

VCC

1)

1

Power +3.3V

2

N.C.

Not connected

3

DAT0

Data bit 0

4

N.C.

Not connected

5

DAT1 / IRQ

Data bit 1 / Interrupt

6

GND

Ground

7

1

2

11

12

DAT2 / RW

Data bit 2 / Read wait

8

/WP

Write protect (optional)

CD / DAT3

9

Card detect / Data bit 3

/CD

10

Card detect

CMD

11

Command line

CLK

12

Clock

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