Patent ID: 11868300
Assignee: MICRON TECHNOLOGY, INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 11:
12. An apparatus comprising:
a primary device coupled to multiple secondary devices with an interface using a serial peripheral interface (SPI) protocol; and
a first selected device of the multiple secondary devices, wherein the first selected device is configured to perform operations comprising:
receive a first message from the primary device using a data channel shared by the multiple secondary devices and using the SPI protocol, wherein the first message comprises a first command field comprising first bits indicating a first command and the first message comprises second bits indicating a first payload, wherein the first bits of command field comprise one or more bits set to indicate a particular action to be performed by the first selected device;
in response to the first message, send a deferral message to the primary device;
receive a subsequent second message from the primary device using the data channel, wherein the second message comprises a second command field comprising second bits, different from the first bits, indicating a deferred command; and
in response to the second message, perform the particular action using the first payload from the first message.