FLASH文件系統的源碼,Flash memory is a nonvolatile memory, which allows the user
to electrically program (write) and erase information. The
exponential growth of flash memory has made this technology
an indispensable part of hundreds of millions of electronic
devices.
Flash memory has several significant differences with volatile
(RAM) memory and hard drive technologies which requires
unique software drivers and file systems. This paper provides
an overview of file systems for flash memory and focuses on
the unique software requirements of flash memory devices.
D169 Demo - DMA0 Repeated Burst to-from RAM, Software Trigger
Description A 32 byte block from 220h-240h is transfered to 240h-260h
using DMA0 in a burst block using software DMAREQ trigger.
After each transfer, source, destination and DMA size are
reset to inital software setting because DMA transfer mode 5 is used.
P1.0 is toggled durring DMA transfer only for demonstration purposes.
** RAM location 0x220 - 0x260 used - always make sure no compiler conflict **
ACLK= n/a, MCLK= SMCLK= default DCO ~ 800k