Altera HyperTransport MegaCore Function Manual do Utilizador Página 70

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A–4 Appendix A: Parameters
Parameter Lists
HyperTransport MegaCore Function User Guide © November 2009 Altera Corporation
Preliminary
RxRBufNum 4 4, 8 Selects either 4 or 8 Rx response buffers. Selecting 8 Rx response
buffers may increase performance but also consumes additional
resources.
TxRDavToSopDelay 1 1 - 15 This parameter defines the number of cycles after the MegaCore
function de-asserts TxRDav_o during which it accepts an
additional local-side write to the Tx response buffer. This parameter
is useful if the local-side application takes more than one cycle from
sampling TxRDav_o asserted until it first starts writing the packet
to the buffer. However, increasing this value does increase the time it
takes for CSR or end-chain handler responses to be transmitted, as
well as any local-side response that immediately follows.
Table A–4. Advanced Settings Parameters (Part 2 of 2)
Parameter Default
Available
Setting(s) Description
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