对瑞萨的R8C系列的2K片上闪存进行读写。采用动态地址保存与读取，以延长闪存的使用寿命。查找方法为折半查找法。将2k闪存分割成多块一次写，当整个2K写满了才擦除闪存。-Renesas R8C Family of the 2K on-chip flash memory read and write. Dynamic address preservation and read, to extend the service life of flash memory. Binary search met