48 PCIE-5565PIORC Reflective Memory Board
Table 3-48 DMA Channel 0 PCI Dual Address Cycles Upper Address
DMADAC0: BAR0/1 Offset $B4
Bit
Description
Read
Write
Value after
PCI Reset
31:0
Upper 32 Bits for 64-bit addressing during DMA Channel 0
Cycles.
If set to $0, the DMA performs a 32-bit address DMA
Channel 0 access.
Yes
Yes
$0
Table 3-49 PCI PIO Direct Slave Local Address Range
LAS1RR: BAR0/1 Offset $F0
Bit
Description
Read
Write
Value after
PCI Reset
0
Memory Space Indicator.
A zero (0) indicates Local Address
Space 1 maps into PCI Memory space.
Yes
No
0
3:1
Reserved
Yes
No
$0
31:4
Range.
Specifies which PCI Address bits to use for decoding a PCI
access to Local Address Space 1. Each bit corresponds to a PCI
Address bit. Bit 31 corresponds to address bit 31. Write one (1) to
all bits that must be included in decode and zero (0) to all others.
(Used in conjunction with PCIBAR3).
Yes
No
$FFE0000
(for 2 MB)
$FF00000
(for 16 MB)
$FC00000
(for 64 MB)
$F800000
(for 128 MB)
$F000000
(for 256 MB)
NOTE:
LAS1RR range must be power of 2. The LAS1RR range value is two’s complement of the range.
Table 3-50 PCI PIO Direct Slave Local Base Address (Remap)
LAS1BA: BAR0/1 Offset $F4
Bit
Description
Read
Write
Value after
PCI Reset
0
Local Address Space 1 Enable.
A one (1) enables decoding of PCI
addresses for PIO addresses for PIO Direct Slave access to Local
Address Space 1 (PCIBAR3).
Yes
No
1
3:1
Reserved
Yes
No
$0
31:4
Remap PCIBAR3 Base Address to Local Address Space 1 Base
Address.
The PCIBAR3 base address translates to the Local
Address Space 1 Base Address programmed in this register. A
Direct Slave access to an offset from PCIBAR3 maps to the same
offset from this Local Base Address.
Yes
Yes
$0
NOTE:
Remap Address value must be a multiple of the LAS1RR range.