Port Descriptions - 7.1 English

AXI DMA LogiCORE IP Product Guide (PG021)

Document ID
PG021
Release Date
2022-04-27
Version
7.1 English

The AXI DMA I/O signals are described in Table: I/O Signal Description .

Table 2-3: I/O Signal Description

Signal Name

Interface

Signal
Type

Init
Status

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.