Altera 100G Interlaken MegaCore Function Manual de usuario Pagina 32
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The 100G Interlaken MegaCore function value for the Interlaken BurstMax parameter is determined by
the value you specify on the burst_max_in input signal. The 100G Interlaken MegaCore function
supports three values for BurstMax, 128 bytes, 256, and 512 bytes.
Note: You should only modify the value of the burst_max_in signal when no traffic is present.
You can configure your 100G Interlaken MegaCore function to use 1, 2, 4, 8, or 16 pages of 16 calendar
bits. The application determines the use of the in-band flow control bits that the MegaCore function
receives on the incoming Interlaken link, and the application is responsible for specifying the values of the
in-band flow control bits the MegaCore function transmits on the outgoing Interlaken link.
Related Information
• 100G Interlaken IP Core Interlaken Link and Miscellaneous Interface Signals on page 5-9
Information about setting the BurstMax and BurstShort values, including the encoding of your desired
value on the burst_max_in or burst_short_in input signal.
• 100G Interlaken IP Core User Data Transfer Interface Signals on page 5-4
Information about the in-band flow control signals that you control and view on the application
interface.
• Interlaken Protocol Specification, Revision 1.2
Available from the Interlaken Alliance web site at www.interlakenalliance.com.
Out‑of‑Band Flow Control Interface
The optional out-of-band flow control interface conforms to the out-of-band requirements in Section
5.3.4.2, Out-of-Band Flow Control, of the Interlaken Protocol Specification, Revision 1.2.
Related Information
• Out-of-Band Flow Control in the 100G Interlaken MegaCore Function on page 10-1
• Interlaken Protocol Specification, Revision 1.2
Available from the Interlaken Alliance web site at www.interlakenalliance.com.
Management Interface
The management interface provides access to the 100G Interlaken IP core internal status and control
registers. This interface does not provide access to the hard PCS registers on the device.
The management interface complies with the Avalon Memory-Mapped (Avalon-MM) specification
defined in the Avalon Interface Specifications.
Related Information
Avalon Interface Specifications
Transceiver Control Interfaces
The 100G Interlaken IP core provides several interfaces to control the transceiver. The transceiver control
interfaces in your 100G Interlaken IP core variation depend on the device family the variation targets.
The 100G Interlaken IP core supports the following transceiver control interfaces:
Transceiver Reconfiguration Controller Interface on page 4-3
Arria 10 External PLL Interface on page 4-3
4-2
Out‑of‑Band Flow Control Interface
UG-01128
2015.05.04
Altera Corporation
Functional Description
Send Feedback
- 101 Innovation Drive 1
- San Jose, CA 95134 1
- Contents 2
- About This MegaCore Function 3
- Device Family Support 6
- IP Core Verification 7
- Device Speed Grade Support 9
- Release Information 9
- Altera IP Core Release Notes 10
- OpenCore Plus IP Evaluation 11
- - HDL synthesis file 13
- 10 variation 14
- Pin Assignments 16
- Adding the External PLL 22
- 100G Interlaken IP Core 23
- Number of Lanes 25
- Meta Frame Length in Words 26
- Data Rate 26
- Enable M20K ECC Support 28
- Include Diagnostic Features 28
- Number of Calendar Pages 29
- TX Scrambler Seed 29
- Transfer Mode Selection 30
- Data Format 30
- Functional Description 31
- Management Interface 32
- High Level Block Diagram 34
- IP Core Reset 35
- Interleaved and Packet Modes 37
- Dual Segment Mode 38
- M20K ECC Support 40
- Device Dependent Signals 72
- Offset Name R/W Description 76
- Example Design 82
- Top Testbench 82
- Testbench Simulation Behavior 83
- Simulating the Example Design 84
- Internal Serial Loopback Mode 86
- External Loopback Mode 87
- CRC32 Error Injection 92
- CRC24 Error Injection 93
- Advanced Parameter Settings 94
- RXFIFO Address Width 95
- Subscribe 98
- UG-01128 100
- 2015.05.04 100
- Signal Name Direction Width 102
- Description 102
- Related Information 102
- Ethernet Traffic 103
- Altera Corporation 105
- Send Feedback 105
- Additional Information 106
- Date ACDS 107
- Changes Made 107
- How to Contact Altera 110
- Typographic Conventions 110
- Visual Cue Meaning 111
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