I've been using the linux romfs with SD and MMC cards. As the name implies, it is ro under linux, but you can write to it with the SPI interface. Quite simple and limited, but serves my purpose and is very lightweight. See .../linux/Documentation/filesystems/romfs.txt The 14x and 16x also have the SPI port.
Garst Mark Stokes wrote: > > Actually, for non-volatile Flash memory, I would suggest MMC technology. > The interface is SPI and the MSP 430 can be adapted to that very easily > (2-wire serial write). In fact, the 44x series has an SPI port in > hardware. Sandisk/s web page has all the specs you need and has a C > library of functions that will allow MS-DOS file system. I haven't > gotten them to reply to me yet (about 1 week), but when they do, I'll > let everyone know if their libraries compile under MSP-gcc. > Sandisk.com type in mmc and then go to OEM solutions. > -Mark