Visible to Intel only — GUID: mwh1409959476318
Ixiasoft
Visible to Intel only — GUID: mwh1409959476318
Ixiasoft
6.11.5. Avalon® Streaming Single Clock and Dual Clock FIFO IP Parameters
Parameter |
Legal Values |
Description |
---|---|---|
Symbols per beat |
1–32 |
These parameters determine the width of the FIFO. FIFO width = Bits per symbol * Symbols per beat, where: Bits per symbol is the number of bits in a symbol, and Symbols per beat is the number of symbols transferred in a beat. |
Bits per symbol |
1–32 |
|
FIFO depth |
2 n |
The FIFO depth. An output pipeline stage is added to the FIFO to increase performance, which increases the FIFO depth by one. <n> = n=1,2,3,4 and so on. |
Channel width |
1–32 |
The width of the channel signal. |
Error width |
0–32 |
The width of the error signal. |
Use packets |
On|Off |
Turn on this parameter to enable data packet support on the Avalon® streaming data interfaces. |
Use fill level |
On|Off |
Turn on this parameter to include the Avalon® memory mapped control and status register interface (CSR). The CSR is enabled when Use fill level is set to 1. |
Use store and forward | On|Off |
To turn on Cut-through mode, Use store and forward must be set to 0. Turning on Use store and forward prompts the user to turn on Use fill level, and then the CSR appears. |
Use almost full status | On|Off |
Enables a single-bit almost-full status streaming interface |
Use almost empty status | On|Off |
Enables a single-bit almost-empty status streaming interface. |
Enable explicit maxChannel |
On|Off |
Turn on this parameter to specify the maximum channel number. |
Explicit maxChannel |
value |
Maximum channel number. |
Use synchronous resets |
On|Off |
Turing off allows asynchronous resets. Turning on uses internal reset synchronization. |
Parameter |
Legal Values |
Description |
---|---|---|
Symbols per beat |
1–32 |
These parameters determine the width of the FIFO. FIFO width = Bits per symbol * Symbols per beat, where: Bits per symbol is the number of bits in a symbol, and Symbols per beat is the number of symbols transferred in a beat. |
Bits per symbol |
1–32 |
|
FIFO depth |
2 n |
The FIFO depth. An output pipeline stage is added to the FIFO to increase performance, which increases the FIFO depth by one. <n> = n=1,2,3,4 and so on. |
Channel width |
1–32 |
The width of the channel signal. |
Error width |
0–32 |
The width of the error signal. |
Use packets |
On|Off |
Turn on this parameter to enable data packet support on the Avalon® streaming data interfaces. |
Use sink fill level |
On|Off |
Turn on this parameter to include the Avalon® memory mapped control and status register interface in the input clock domain. |
Use source fill level |
On|Off |
Turn on this parameter to include the Avalon® memory mapped control and status register interface in the output clock domain. |
Write pointer synchronizer length |
2–8 |
The length of the write pointer synchronizer chain. Setting this parameter to a higher value leads to better metastability while increasing the latency of the IP. |
Read pointer synchronizer length |
2–8 |
The length of the read pointer synchronizer chain. Setting this parameter to a higher value leads to better metastability. |
Enable explicit maxChannel |
On|Off |
Turn on this parameter to specify the maximum channel number. |
Explicit maxChannel |
value |
Maximum channel number. |
Pipeline pointers | On|Off |
This option enables the pipeline pointer after clock domain crossing. Enable this option for better timing closure by adding one clock cycle of latency. |
Use synchronous resets |
On|Off |
Turing off allows asynchronous resets. Turning on uses internal reset synchronization. |