RM0008 Reference manual 中提及 :
The SDIO features include the following:
● Full compliance with MultiMediaCard System Specification Version 4.2. Card support
for three different databus modes: 1-bit (default), 4-bit and 8-bit
● Full compatibility with previous versions of MultiMediaCards (forward compatibility)
● Full compliance with SD Memory Card Specifications Version 2.0
● Full compliance with SD I/O Card Specification Version 2.0: card support for two
different databus modes: 1-bit (default) and 4-bit
● Full support of the CE-ATA features (full compliance with CE-ATA digital protocol
Rev1.1)
● Data transfer up to 48 MHz for the 8 bit mode
● Data and command output enable signals to control external bidirectional drivers.
不知道支持的最大容量是多少? 1G 2G 还是 4G 后者更高 ? |
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楼主
