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RZ/G1H Qseven Development Platform Hardware User Guide
iWave Systems Technologies Pvt. Ltd.
2.7.4
SDIO Port
The RZ/G1H Qseven Carrier Board supports SDIO interface through RZ/G1H
CPU’s
SDHI2 interface. This SDHI2 signals
from Qseven MXM connector is connected to SD/MMC connector (J30) to support Standard SD interface. This
connector supports up to 4-bit data transfer with card detect and write protect. Also it supports SDIO activity Green
LED (D8) on board for SDIO bus transfer indication.
The main power to SD/MMC connector is 3.3V and it is connected through power switch to support power
enable/disable feature. This power enable/disable is controlled from the SDIO_PWR# pin of Qseven MXM connector.
This SD/MMC connector (J30) is physically located at the bottom of the board as shown below.
Figure 16: SD/MMC Connector