mmDMA7_CORE_PROT
pb_addr = (mmDMA7_CORE_PROT & ~0xFFF) + PROT_BITS_OFFS;
word_offset = ((mmDMA7_CORE_PROT & PROT_BITS_OFFS) >> 7) << 2;
mask = 1U << ((mmDMA7_CORE_PROT & 0x7F) >> 2);