******* Description ***********
DCACHE_ENABLE | The bit is used to activate the data cache. 0: disable, 1: enable |
DCACHE_SIZE_MODE | The bit is used to configure cache memory size.0: 32KB, 1: 64KB |
DCACHE_BLOCKSIZE_MODE | The bit is used to configure cache block size.0: 16 bytes, 1: 32 bytes,2: 64 bytes |