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

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