******************* bit_word_addr = bit_band_base + (byte_offset x 32) + (bit_number × 4) where: bit_word_addr is the address of the word in the alias memory region that maps to the targeted bit. bit_band_base is the starting address of the alias region byte_offset is the number of the byte in the bit-band region that contains the targeted bit bit_number is the bit position (0-31) of the targeted bit. *******************
byte_offset 如何翻译?按位范围bit position (0-31),我想应该是字(32位)的起始点地址字节-20000000H。 |