LVDS Tunneling Protocol and Interface (LTPI) IP User Guide: Agilex™ 3 and Agilex™ 5 FPGAs and SoCs

ID 844310
Date 8/15/2025
Public
Document Table of Contents

1.4.4.6. Configure Frame

The configure frame is used to select the desired capabilities based on the advertise frame. It is used by SCM to request specific configuration of the LTPI features based on the advertise definition during the configuration state.

The following table defines the LTPI configuration frame.

Table 22.  LTPI Configure Frame

Frame Offset

(bytes)

Size

(bits)

Bit Field Description
7 6 5 4 3 2 1 0  
0 8 Comma Symbol Comma symbol as defined in the Frame Type and Frame Subtype table.
1 8 Frame Subtype Frame subtype as defined in the Frame Type and Frame Subtype table.
2 8

Capabilities Type

  • 0h00—Default capabilities
  • 0h01:0h80—Reserved
  • 0h81:0fFF—OEM defined
Capabilities type allows for use of non-default capabilities to customize the LTPI implementations.
3 8 Request LTPI Capabilities LTPI capabilities are defined in the Default LTPI Capabilities Encoding table.
4 8
5 8
6 8
7 8
8 8
9 8
10 8
11 8 Reserved Reserved
12 8 Reserved Reserved
13 8 Reserved Reserved
14 8 Reserved Reserved
15 8 CRC CRC8 checksum