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Cavium Processor Complex: StratixGX Interconnect
ATCA-9305 User’s Manual 10009109-01
3-12
Address Registers
Register 3-5: Address 9:8 (0x4)
Register 3-6: Address 7:0 (0x5)
Control Register
The write only Control register performs two functions:
• Writing a value of 0x01 causes the contents of the Data registers to be written to the
FPGA bridge at the location specified by the Address registers.
• Writing a value of 0x02 causes the contents of the Data registers to be overwritten by the
contents of the FPGA bridge at the location specified by the Address registers.
Note: Writing any other value to the Control register will be ignored.
Register 3-7: Control (0x6)
Bits: R/W: Function:
7 — Reserved
6 —
5 —
4 —
3 —
2 —
1R/WAddress 9
0R/WAddress 8
Bits: R/W: Function:
7R/WAddress 7
6R/WAddress 6
5R/WAddress 5
4R/WAddress 4
3R/WAddress 3
2R/WAddress 2
1R/WAddress 1
0R/WAddress 0
Bits: R/W: Function:
7 — Reserved
6 —
5 —
4 —
3 —
2 —