Data Sheet
Table Of Contents
15
FORM NO.: FR2-015_ A Responsible Department：WBU Expiry Date: Forever
The information contained herein is the exclusive property of AzureWave and shall not be distributed, reproduced, or disclosed
in whole or in part without prior written permission of AzureWave.
3.4 Host Interface
3.4.1 SDIO Interface
AW-CM390SM support for SDIO version 3.0, including the new UHS-I modes:
DS: Default speed (DS) up to 25MHz, including 1- and 4-bit modes (3.3V signaling).
HS: High speed up to 50 MHz (3.3V signaling).
SDR12: SDR up to 25 MHz (1.8V signaling).
SDR25: SDR up to 50 MHz (1.8V signaling).
SDR50: SDR up to 100 MHz (1.8V signaling).
SDR104: SDR up to 208MHz (1.8V signaling).
DDR50: DDR up to 50 MHz (1.8V signaling).
SDIO Default Mode Timing