Sdio Slot - ADLINK Technology LEC-BASE MINI Technical Reference

2.2.3

SDIO Slot

The SDIO slot (CN18) provides the standard 4-bit, push-push interface for SD memory cards.
LED5 provides indication of SD power.
Pin #
1 SDIO_D3
2 SDIO_CMD
3 GND
4 +VCC_SDIO
5 SDIO_CK
6 GND
7
SDIO_D0
8
SDIO_D1
9
SDIO_D2
10 SDIO_CD#
11 GND
12 SDIO_WP
Note: Shaded table cells denote power or ground.
Hardware
SD cards that operate with only 1.8V, are not sup-
ported.
Figure 2-8: SDIO Slot
Table 2-2: SDIO Slot (CN18)
Signal
SDIO data bit3
SDIO Command
Ground
3.3V power supply
SDIO clock
Ground
SDIO data bit0
SDIO data bit1
SDIO data bit2
SDIO card detect
Ground
SDIO write protect
Description
LEC-BASE MINI
15