I3C Common Command Codes (CCC)¶
The I3C core supports all CCCs required by the I3C Basic spec, please see “Table 16 I3C Common Command Codes” for a full reference.
All CCCs are exercised with Cocotb tests.
Broadcast CCCs¶
The following Broadcast CCCs are currently supported by the core (all required Broadcast CCCs as per the errata, and one optional Broadcast CCC):
ENEC (R) - Enable Events Command
DISEC (R) - Disable Events Command
SETMWL (R) - Set Max Write Length
SETMRL (R) - Set Max Read Length
SETAASA (O) - Set All Addresses to Static Adresses
RSTACT (R) - Target Reset Action
Direct CCCs¶
The following Direct CCCs are currently supported by the core (all required Direct CCCs, plus several optional/conditional ones):
ENEC (R) - Enable Events Command
DISEC (R) - Disable Events Command
RSTDAA (R) - Direct Reset Dynamic Address Assignment - this direct CCC is deprecated, the core NACKs this command as per the spec
SETDASA (O) - Set Dynamic Address from Static Address
SETMWL (R) - Set Max Write Length
SETMRL (R) - Set Max Read Length
GETMWL (R) - Get Max Write Length
GETMRL (R) - Set Max Read Length
GETPID (C) - Get Provisioned ID
GETBCR (C) - Get Bus Characteristics Register
GETDCR (C) - Get Device Characteristics Register
GETSTATUS (R) - Get Device Status
RSTACT (R) - Target Reset Action