10.3.2. AXI Interfaces
Name |
Type |
Clock |
Reset |
Description |
|---|---|---|---|---|
CSR Responder |
AXI4-Lite |
ddr_clk |
dla_resetn |
Exposes IP MMIO region The CSR initiator operates on the ddr_clk clock. |
Name |
Type |
Clock |
Reset |
Description |
|---|---|---|---|---|
DDR0 Initiator |
AXI4 |
ddr_clk |
dla_resetn |
Initiator port for connecting to DDR memory |
Name |
Type |
Clock |
Reset |
Description |
|---|---|---|---|---|
Interrupt Initiator |
Interrupt Sender |
irq_clk |
dla_resetn |
Level sensitive interrupt |
The following parameters are used by the AXI interfaces. The parameter values can be modified in the Architecture Description files as described in Generating the FPGA AI Suite IP for Integration into an FPGA Design.
Name |
Supported Value |
Entry in Architecture Description |
|---|---|---|
C_CSR_AXI_ADDR_WIDTH |
11 |
= dma.csr_addr_width |
C_CSR_AXI_DATA_WIDTH |
32 |
= dma.csr_data_bytes * 8 |
C_DDR_AXI_ADDR_WIDTH |
1~32 |
= dma.ddr_addr_width |
C_DDR_AXI_BURST_WIDTH |
1~8 |
= dma.ddr_burst_width |
C_DDR_AXI_DATA_WIDTH |
64, 128, 256, 512 (bits) |
= dma.ddr_data_bytes * 8 |
C_DDR_AXI_THREAD_ID_WIDTH |
2 |
= ddr_read_id_width |
AXI Streaming Interfaces
For information about the FPGA AI Suite IP AXI streaming interfaces, refer to AXI Streaming Interface.