US 11,953,981 B2
Memory module register access
Thomas J. Giovannini, San Jose, CA (US); Catherine Chen, Cupertino, CA (US); Scott C. Best, Palo Alto, CA (US); John Eric Linstadt, Palo Alto, CA (US); and Frederick A. Ware, Los Altos Hills, CA (US)
Assigned to Rambus Inc., San Jose, CA (US)
Filed by Rambus Inc., San Jose, CA (US)
Filed on Jan. 3, 2023, as Appl. No. 18/092,556.
Application 18/092,556 is a continuation of application No. 17/236,445, filed on Apr. 21, 2021, granted, now 11,573,849.
Application 17/236,445 is a continuation of application No. 16/183,470, filed on Nov. 7, 2018, granted, now 11,016,837, issued on May 25, 2021.
Application 16/183,470 is a continuation of application No. 15/090,399, filed on Apr. 4, 2016, granted, now 10,146,608, issued on Dec. 4, 2018.
Claims priority of provisional application 62/233,579, filed on Sep. 28, 2015.
Claims priority of provisional application 62/143,707, filed on Apr. 6, 2015.
Prior Publication US 2023/0305915 A1, Sep. 28, 2023
Int. Cl. G06F 11/07 (2006.01); G06F 13/00 (2006.01); G11C 5/04 (2006.01); G11C 7/20 (2006.01); G11C 8/12 (2006.01); G11C 29/26 (2006.01); G11C 29/44 (2006.01)
CPC G06F 11/079 (2013.01) [G06F 11/073 (2013.01); G06F 11/0772 (2013.01); G06F 13/00 (2013.01); G11C 5/04 (2013.01); G11C 7/20 (2013.01); G11C 8/12 (2013.01); G11C 29/26 (2013.01); G11C 29/44 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A memory controller to control the operation of a dynamic random access memory (DRAM) device having a plurality of memory cells, the memory controller comprising:
a control interface to transmit to the DRAM device:
a memory access command that specifies an access to the plurality of memory cells; and,
a first register access command that specifies a first register access;
a data interface to transmit to the DRAM device:
in connection with the memory access command, data to be stored in the plurality of memory cells; and
in connection with the first register access command, a code to indicate to the DRAM device that the DRAM device is to store a device identification value.