Atmel ?and ST
have ARM chips which have an SD port (4bits) - and i
suspect there might be others...
Do you have part numbers ?
STM32 series
Atmel:
http://www.atmel.com/dyn/resources/prod_documents/6500s.pdf
12.8 High Speed Multimedia Card Interface (HSMCI)
? 4-bit or 1-bit Interface
? Compatibility with MultiMedia Card Specification Version 4.3
? Compatibility with SD and SDHC Memory Card Specification Version 2.0
? Compatibility with SDIO Specification Version V1.1.
? Compatibility with CE-ATA Specification 1.1
? Cards clock rate up to Master Clock divided by 2
? Boot Operation Mode support
? High Speed mode support
? Embedded power management to slow down clock rate when not used
? HSMCI has one slot supporting
? One MultiMediaCard bus (up to 30 cards) or
? One SD Memory Card
? One SDIO Card
? Support for stream, block and multi-block data read and write