4.4.2. Avalon-MM Write Master (H2D)
The H2D Avalon-MM Write Master interface is used to write H2D DMA data to the external Avalon-MM slave. This port is 256-bit (x8) / 512-bit (x16) write master that is capable of writing maximum 512 bytes of data per AVMM transaction. The WaitRequestAllowance of this port is enabled and set to 16 allowing the master to transfer continuously 16 data phases after the WaitRequest signal has been asserted.
|Signal Name||I/O Type||Description|
|h2ddm_waitrequest_i||Input||H2D Wait Request|
|h2ddm_address_o[63:0]||Output||H2D Write Address|
|Output||H2D Write Burst Count|
|Output||H2D Write Data Payload|
|Output||H2D Byte Enable|
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