13th Generation Intel® Core™ Processors

Datasheet, Volume 1 of 2
Supporting 13th Generation Intel® Core™ Processor for S/P/PX/H/HX/U Processor Line Platforms, formerly known as Raptor Lake

ID 743844
Date 01/06/2023

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Document Table of Contents

DRAM Reference Voltage Generation

Read Vref is generated by the memory controller in all technologies. Write Vref is generated by the DRAM in all technologies. Command Vref is generated by the DRAM in LPDDR4x/5 while the memory controller generates VrefCA per DIMM for DDR4. In all cases, it has small step sizes and is trained by MRC.