Host Controller Data Manual

4–34
4.36 Physical Upper Bound Register (Optional Register)
The physical upper bound register is an optional register and is not implemented. It returns all 0s when read.
Bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Name Physical upper bound
Type R R R R R R R R R R R R R R R R
Default 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Name Physical upper bound
Type R R R R R R R R R R R R R R R R
Default 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Register: Physical upper bound
Type: Read-only
Offset: 120h
Default: 0000 0000h