LSI LSI53C1030, Техническое руководство

Страница: 94 / 170

4-10 PCI Host Register Description
Version 2.1 Copyright © 2001, 2002, 2003 by LSI Logic Corporation. All rights reserved.
Register: 0x14–0x17
Memory [0] Low
Read/Write
The Memory [0] Low register and the Memory [0] High register map SCSI
operating registers into Memory Space [0]. This register contains the
lower 32 bits of the Memory Space [0] base address. Hardware
programs bits [9:0] to 0b0000000100, which indicates that the Memory
Space [0] base address is 64 bits wide and that the memory data is not
prefetchable. The LSI53C1030 requires 1024 bytes of memory space.
Memory [0] Low [31:0]
This field contains the Memory [0] Low address.
Register: 0x18–0x1B
Memory [0] High
Read/Write
The Memory [0] High register and the Memory [0] Low register map SCSI
operating registers into Memory Space [0]. This register contains the
upper 32 bits of the Memory Space [0] base address. The LSI53C1030
requires 1024 bytes of memory space.
Memory [0] High [31:0]
This field contains the Memory [0] High address.
31 0
Memory [0] Low
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0
31 0
Memory [0] High
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0