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Cavium Processor Complex: StratixGX Interconnect
10009109-01 ATCA-9305 User’s Manual
3-13
Version Register
This read-only register tracks the PLD versions. The version is hard coded in the PLD and
changes with every released code change. Version starts at 01
16
.
Register 3-8: Version (0x7)
Scratch Register
All registers in this range act as the same register.
Register 3-9: Scratch (0x8-0x3F)
Read Example: To read the FPGA bridge SPI_COMMAND register at 0x204, use the following commands.
Set address bits 9:8.
=>write64b 1d030004 02
Set address bits 7:0.
=>write64b 1d030005 04
1W Read
0W Write
Bits: R/W: Function:
7R 0x01
6R
5R
4R
3R
2R
1R
0R
Bits: R/W: Function:
7R/W
6R/W
5R/W
4R/W
3R/W
2R/W
1R/W
0R/W
Bits: R/W: Function: