Patent ID: 9734890
Date: 2017-08-15
CPC Classifications: G06F,G11C

Claim:
1. A method for operating a dynamic random access memory (DRAM) device in a personal computing device (PCD), the method comprising: providing a command decoder, a mode register block, and a multipurpose command (MPC) buffer in the DRAM in the DRAM device, all in communication with a decoder of the DRAM device; receiving information at the MPC buffer via a data (DQ) bus unique to the DRAM device, the information sent from outside the DRAM device; providing the received information from the MPC buffer to the decoder; determining with the decoder based on the received information whether to mask mode register writes (MRW) for the DRAM device; responsive to the determination, sending a mask signal from the decoder to the command decoder if the determination is to mask the MRW for the DRAM device; receiving a first MRW at the command decoder via a shared command access (CA) bus, the first MRW sent from outside the DRAM device; and responsive to an instruction from the decoder: