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APPENDIX A: Registers for PCIe8g3 S5
Registers, UI
EDT, Inc.
2017 January 04
26
Registers, UI
0x000000–0x7FFFFF BAR1 Memory-Mapped
0x000010 Data Path and Memory Control
0x000014 Memory Status
Access / Notes:
32-bit read-write / STRATIX5_MEMPATH_CTRL
Bit
Access
Name
Description
31–25
–
–
Reserved.
24
RW
STRATIX5_MEM_
LOOP_MODE
Assert to enable loop mode to allow for looping in DDR3 memory. Use in conjunction with register
.
23-20
RW
[no name]
Select port (data source for memory).
19–17
–
–
Reserved.
16
RW
STRATIX5_SEL_
DMA
Assert to direct data to DMA.
15
RW
STRATIX5_MEM_
SYNC_DIMM
Assert to synchronize the DDR3 memory banks, effectively creating a single, wider bank of memory.
14
RW
STRATIX5_MEM_
WR_FIRST
Assert to set write priority for memory.
13
RW
STRATIX5_MEM_
M1_ACTIVE
Memory port 1 active.
12
RW
STRATIX5_M0_
BYPASS
Memory port 0 bypass mode.
11
R only
[no name]
Bank D PHY initialization completed successfully.
10
R only
[no name]
Bank C PHY initialization completed successfully.
9
R only
[no name]
Bank B PHY initialization completed successfully.
8
R only
[no name]
Bank A PHY initialization completed successfully.
7
RW
[no name]
Bank D logical reset.
6
RW
[no name]
Bank C logical reset.
5
RW
[no name]
Bank B logical reset.
4
RW
[no name]
Bank A logical reset.
3
RW
[no name]
Bank D PHY reset.
2
RW
[no name]
Bank C PHY reset.
1
RW
[no name]
Bank B PHY reset.
0
RW
[no name]
Bank A PHY reset.
Access / Notes:
32-bit read-only / STRATIX5_DFIFO_STATUS
Bit
Access
Name
Description
31–28
R only
[no name]
Bank D debug information.
27–24
R only
[no name]
Bank C debug information.
23–20
R only
[no name]
Bank B debug information.
19–16
R only
[no name]
Bank A debug information.
15
R only
[no name]
Bank D 100% full.