Good stuff!

> It appears that a 512-byte buffer is needing to write a sector. I am using
> the FAT16 devices.  The Hitachi MMC seems to be better made than SanDisk.

Any recommendation as to where to by a MMC card? Our local computer
supplier cannot get anything smaller than 32MB.

> The MMC card needs 3.3V VCC, needs to be very precise. I'm using an 877 SPI
> Port running flat out at 5V, level-shifted to 3.3V for the MMC card.  I
> don't think it will be too hard. Mostly just locate the FAT table then
> locate how FAT table relates to the memory array. Take a look at DOS3.0 to
> understand FAT16 HD structures.

I am aware of the 3.3V requirement, I am hoping there's some 3.3V 3-pin
regulator that adequate to drop 5V to 3.3V.

Adi

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