NVEM0: Physical description

Physically, NVEM0 consists of "left over" FLASH memory in the SPLat processor chip. The microcontroller chips we use in 2nd generation SPLats like the MMi200 and SL99 contain a FLASH memory. At time of writing the total size of the chip's FLASH memory is 32KB for the SL99 and MS12 and 60KB for the MMi200 (all our code is written in assembler, not C, so we get very good utilization). The FLASH memory contains several things:

• The "operating system" Firmware that makes the general purpose chip into a SPLat processor.
• The boot loader that provides the reFlash capability.
• Permanent memory.
• Your application program ("SPLatWare")
• NVEM0

The last two combined are called User FLASH. It's what you get to play with.