Kontron pITX-SP Bedienungsanleitung PDF herunterladen (Seite 31)

KTD-S0002-I Page 26 Secure Digital I/O and Multimedia Card

pITX-SP User's Guide

12.2 Pin Strip

The second port is available through the connector J3201 (12 pins).

Header Pin Signal Name Function

VCC

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 DAT2 / RW Data bit 2 / Read wait

8 /WP Write protect (optional)

9 CD / DAT3 Card detect / Data bit 3

10 /CD Card detect

11 CMD Command line

1 2

12 CLK Clock

Note: 1) To protect the external power lines of peripheral devices make sure that

- the wires have the right diameter to withstand the maximum available current.

- to enclosure of the peripheral device fulfills the fire-protecting conditions of IEC/EN 60950.

12.3 SD Card Application Note

The Windows

SD memory card driver does not define the SD memory card as a standard harddisk. This

leads to approximate benchmark results. The size of the cards is shown with 8 MB and the information for

cylinders, sectors and headers is not reported correctly.

The following table gives an overview about some common SD cards.

Reference board: 03001-0000-16-0 (1.6 GHz, Plus variant)

Operating system: Windows

Test programs: HDTune Pro Vers. 4.01

For comparison in advance some values for other harddisk types respectively interfaces.

Manufacturer / Type Interface Speed (Average)

Western Digital WD10EADS 1 TB S-ATA 70 MB/s

Seagate ST300003U2 160 GB USB 2.0 26 MB/s

Samsung SP0842N 80 GB P-ATA (80 pin cable) 52 MB/s

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Kontron pITX-SP Bedienungsanleitung Seite 31