The AXI DMA I/O signals are described in Table: I/O Signal Description .
Signal Name |
Interface |
Signal
|
Init
|
Description |
---|---|---|---|---|
s_axi_lite_aclk |
Clock |
I |
|
AXI4-Lite Clock. |
m_axi_sg_aclk |
Clock |
I |
|
AXI DMA Scatter Gather Clock |
m_axi_mm2s_aclk |
Clock |
I |
|
AXI DMA MM2S Primary Clock |
m_axi_s2mm_aclk |
Clock |
I |
|
AXI DMA S2MM Primary Clock |
axi_resetn |
Reset |
I |
|
AXI DMA Reset. Active-Low reset. When asserted Low, resets entire AXI DMA core. Must be synchronous to s_axi_lite_aclk. |
mm2s_introut |
Interrupt |
O |
0 |
Interrupt Out for Memory Map to Stream Channel. |
s2mm_introut |
Interrupt |
O |
0 |
Interrupt Out for Stream to Memory Map Channel. |
axi_dma_tstvec |
NA |
O |
0 |
Debug signals for internal use. |
AXI4-Lite Interface Signals |
||||
s_axi_lite_* |
S_AXI_LITE |
Input/Output |
|
See Appendix A of the AXI Reference Guide (UG1037) [Ref 2] for the AXI4 signal. |
MM2S Memory Map Read Interface Signals |
||||
m_axi_mm2s_* |
M_AXI_MM2S |
Input/Output |
|
See Appendix A of the AAXI Reference Guide (UG1037) [Ref 2] for the AXI4 signal. |
MM2S Master Stream Interface Signals |
||||
mm2s_prmry_reset_out_n |
M_AXIS_MM2S |
O |
1 |
Primary MM2S Reset Out. Active-Low reset. |
m_axis_mm2s_* |
M_AXIS_MM2S |
Input/Output |
|
See Appendix A of the AXI Reference Guide (UG1037) [Ref 2] for the AXI4 signal. |
MM2S Master Control Stream Interface Signals |
||||
mm2s_cntrl_reset_out_n |
M_AXIS_CNTRL |
O |
1 |
Control Reset Out. Active-Low reset. |
m_axis_mm2s_cntrl_* |
M_AXIS_CNTRL |
Input/Output |
|
See Appendix A of the AXI Reference Guide (UG1037) [Ref 2] for the AXI4 signal. |
S2MM Memory Map Write Interface Signals |
||||
m_axi_s2mm_* |
M_AXI_S2MM |
Input/Output |
|
See Appendix A of the AXI Reference Guide (UG1037) [Ref 2] for the AXI4 signal. |
S2MM Slave Stream Interface Signals |
||||
s2mm_prmry_reset_out_n |
S_AXIS_S2MM |
O |
1 |
Primary S2MM Reset Out. Active-Low reset. |
s_axis_s2mm_* |
S_AXIS_S2MM |
I |
Input/Output |
See Appendix A of the AXI Reference Guide (UG1037) [Ref 2] for the AXI4 signal. |
S2MM Slave Status Stream Interface Signals |
||||
s2mm_sts_reset_out_n |
S_AXIS_STS |
O |
1 |
AXI Status Stream (STS) Reset Output. Active-Low reset. |
s_axis_s2mm_sts_* |
S_AXIS_STS |
Input/Output |
|
See Appendix A of the AXI Reference Guide (UG1037) [Ref 2] for the AXI4 signal. |
Scatter Gather Memory Map Read Interface Signals |
||||
m_axi_sg_* |
M_AXI_SG |
Input/Output |
|
See Appendix A of the AXI Reference Guide (UG1037) [Ref 2] for the AXI4 signal. |
Scatter Gather Memory Map Write Interface Signals |
||||
m_axi_sg*
|
M_AXI_SG |
Input/Output |
|
See Appendix A of the AXI Reference Guide (UG1037) [Ref 2] for the AXI4 signal. |