GTS Interlaken Intel® FPGA IP User Guide

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ID 819200
Date 7/08/2024
Public
Document Table of Contents
Document Table of Contents x
1. About the GTS Interlaken Intel® FPGA IP 2. Getting Started 3. Parameter Settings 4. Functional Description 5. Interface Signals 6. GTS Interlaken IP Registers 7. GTS Interlaken FPGA IP User Guide Archives 8. Document Revision History for GTS Interlaken Intel FPGA IP User Guide
1. About the GTS Interlaken Intel® FPGA IP x
1.1. GTS Interlaken IP Features 1.2. GTS Interlaken IP Device Family Support 1.3. Device Speed Grade Support 1.4. GTS Interlaken IP Performance and Resources 1.5. GTS Interlaken IP Round-Trip Latency 1.6. GTS Interlaken IP Release Information
2. Getting Started x
2.1. Installing and Licensing Intel FPGA IPs 2.2. Generated File Structure 2.3. Specifying the GTS Interlaken IP Parameters and Options 2.4. Reference and System PLL Clock for Your IP Design 2.5. Simulating the GTS Interlaken IP 2.6. Compiling the Full Design and Programming the FPGA
2.1. Installing and Licensing Intel FPGA IPs x
2.1.1. Intel FPGA Evaluation Mode
3. Parameter Settings x
3.1. Analog Parameters for GTS IPs
4. Functional Description x
4.1. Datapath Flow 4.2. Modes of Operation 4.3. Performance 4.4. IP Reset 4.5. M20K ECC Support 4.6. Out-of-Band Flow Control
4.1. Datapath Flow x
4.1.1. Interlaken TX Path 4.1.2. Interlaken RX Path
4.1.1. Interlaken TX Path x
4.1.1.1. Transmit Path Blocks 4.1.1.2. In-Band Calendar Bits on Transmit Side
4.1.2. Interlaken RX Path x
4.1.2.1. Receive Path Blocks 4.1.2.2. In-Band Calendar Bits on Receive Side 4.1.2.3. RX Errored Packet Handling
4.1.2.3. RX Errored Packet Handling x
4.1.2.3.1. Example With Errors and In-Band Calendar Bits
4.2. Modes of Operation x
4.2.1. Interleaved and Packet Modes 4.2.2. Multisegments
4.2.1. Interleaved and Packet Modes x
4.2.1.1. Transmit User Data Interface Examples 4.2.1.2. Receive User Data Interface Examples
4.2.2. Multisegments x
4.2.2.1. Two-segment Interface Example
5. Interface Signals x
5.1. GTS Interlaken IP Clock and Reset Interface Signals 5.2. GTS Interlaken IP Transmit User Interface Signals 5.3. GTS Interlaken IP Receive User Interface Signals 5.4. GTS Interlaken IP Management Interface Signals 5.5. GTS Interlaken Link and Miscellaneous Signals 5.6. GTS Interlaken IP Reconfiguration Signals
1. About the GTS Interlaken Intel® FPGA IP
2. Getting Started
3. Parameter Settings
4. Functional Description
5. Interface Signals
6. GTS Interlaken IP Registers
7. GTS Interlaken FPGA IP User Guide Archives
8. Document Revision History for GTS Interlaken Intel FPGA IP User Guide

4.1.1.2. In-Band Calendar Bits on Transmit Side

Rev 1.1 only supports two logical channels, channel 0 and channel 1. The channel selection is controlled via itx_chan which indicates a valid channel carried by the control or idle word.

Individual flow control for channel 0 and channel 1 is sampled from itx_chan0_xon and itx_ch1_xon respectively. A value of 1 set to itx_chan and itx_chan1_xon indicates channel 1 is valid and flow control for channel 1 is set to XON. The two individual flow controls will make into bits [41:40] of control word.

The itx_chan, itx_chan0_xon and itx_ch1_xon are synchronous to clk_tx_common and sample when itx_sop and itx_idle is asserted.

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