...
Word# | BITS | Name | Description | Note |
---|---|---|---|---|
0 | [31:0] | TID[31:0] | Transaction ID | (echoed back) |
0 | [31:0] | TID[63:32] | Transaction ID | (echoed back) |
1 | [29:0] | Size | Number of 32-bit words to transfer | |
1 | [31:30] | Unused | ||
2 | [30:0] | Address[33:2] | Starting word address of transfer | Bits 1:0 are always 0 |
2 | [31] | RNW | OpCode | 0=Read, 1=Write |
3+N | Data | Read data word N | ||
3+N+Size | [0] | Error | An error occured | |
3+N+Size | [2:1] | ErrorValue | AXI Return code |
Ben Reese