This document defines the technical specifications for the OpenHBI-L under OCP Server project, ODSA subproject.
Scope of OpenHBI-L includes but not limited to the following:
- DWORD and Bump signals definitions
- PHY layer
- Logical PHY layer
- DWORD Bump pattern and signal ordering
- Beachfront Orientation considerations
- Beachfront Scalability
- Bump pitch (Min-Max range)
- IO electricals, Data Rates and Clocking
- Chiplet Configuration interface
- Test pattern generator and signal mapping
- Reference laminate substrate media and channels
- Reference Stackup and routing examples
- Reference Initialization, Calibration and Training steps and register set
OpenHBI-L Specification for Laminate Substrate V1.0 Specification
